iS5 iSG18GFP User manual

iSG18GFP User Manual R3.5
Ver: 1.3
Date: 04.28.2015
Intelligent Flexible Secure Gateway
IEC 61850-3 and IEEE 1613 compliant
iSG18GFP User Manual
Version 1.2
March 2015
iS5 Communications Inc.
#3-7490 Pacific Circle, Mississauga, Ontario, L5T 2A3
Tel: + 905 670 0004
Fax: + 289 401
Website: www.iS5Com.com
E-mail: [email protected]m

iSG18GFP User Manual R3.5
Ver: 1.3
Date: 04.28.2015
iS5 Communications Inc. Page: 2 of: 465
Copyright Notice
Copyright © 2013 iS5 Communications Inc. All rights reserved.
No part of this publication may be reproduced in any form without the prior written consent of iS5 Communications Inc.
(iS5).
Trademarks
iS5Com is a registered trademark of iS5. All other trademarks belong to their respective owners.
Regulatory Compliance Statement
Product(s) associated with this publication complies/comply with all applicable regulations. Please refer to the Technical
Specifications section for more details.
Warranty
iS5 warrants that all products are free from defects in material and workmanship for a specified warranty period from the
invoice date (5 years for most products). iS5 will repair or replace products found to be defective within this warranty
period including shipping costs. This warranty does not cover product modifications or repairs done by persons other
than iS5-approved personnel, and this warranty does not apply to products that are misused, abused, improperly
installed, or damaged by accident.
Please refer to the Technical Specifications section for the actual warranty period(s) of the product(s) associated with this
publication.
Disclaimer
Information in this publication is intended to be accurate. iS5 shall not be responsible for its use or infringements on
third-parties as a result of its use. There may occasionally be unintentional errors on this publication. iS5 reserves the
right to revise the contents of this publication without notice.
Contact Information
iS5 Communications Inc.
#3-7490 Pacific Circle, Mississauga, Ontario, L5T 2A3
Tel: + 905-670-0004
Fax: + 289-401-5206
Technical Support E-mail: [e-mail]
Sales Contact E-mail: [email protected]m
Website: www.iS5Com.com

iSG18GFP User Manual R3.5
Ver: 1.3
Date: 04.28.2015
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Revision History/Approvals:
Date
Rev’
Description
Prepared by
Approved by
10/08/2014
1.0
Initial release of 3.5
Alice Zhang
Boris Tseitin
03/09/2014
1.1
Updates
Boris Tseitin
Boris Tseitin
03/27/2015
1.2
Update
Boris Tseitin
Boris Tseitin
04/28/2015
1.3
Serial Pin Out Update
Boris Tseitin
Boris Tseitin
This user guide includes the relevant information for utilizing the IS5 Communications iSG18GFP switches.
The information in this document is subject to change without notice and describes only the product defined in the
introduction of this document.
This document is intended for the use of customers of IS5 Communications only for the purposes of the agreement under
which the document is submitted, and no part of it may be reproduced or transmitted in any form or means without the
prior written permission of IS5 Communications.
The document is intended for use by professional and properly trained personnel, and the customer assumes full
responsibility when using it.
If the Release Notes that are shipped with the device contain information that conflicts with the information in this
document or supplements it, the customer should follow the Release Notes.
The information or statements given in this document concerning the suitability, capacity, or performance of the relevant
hardware or software products are for general informational purposes only and are not considered binding. Only those
statements and/or representations defined in the agreement executed between IS5 Communications and the customer
shall bind and obligate IS5 Communications.
IS5 Communications however has made all reasonable efforts to ensure that the instructions contained in this document
are adequate and free of material errors. IS5 Communications will, if necessary, explain issues which may not be covered
by the document.
IS5 Communications sole and exclusive liability for any errors in the document is limited to the documentary correction of
errors. IS5 COMMUNICATIONS IS NOT AND SHALL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS DOCUMENT
OR FOR ANY DAMAGES OR LOSS OF WHATSOEVER KIND, WHETHER DIRECT, INCIDENTAL, OR CONSEQUENTIAL
(INCLUDING MONETARY LOSSES), that might arise from the use of this document or the information in it.
This document and the product it describes are the property of IS5 Communications, which is the owner of all intellectual
property, rights therein, and are protected by copyright according to the applicable laws.
Other product and company names mentioned in this document reserve their copyrights, trademarks, and registrations;
they are mentioned for identification purposes only
Copyright © 2013 iS5 Communications Inc. All rights reserved.

iSG18GFP User Manual R3.5
Ver: 1.3
Date: 04.28.2015
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Contents
Copyright Notice························································································································· 2
Trademarks································································································································· 2
Regulatory Compliance Statement ···························································································· 2
Warranty ···································································································································· 2
Disclaimer··································································································································· 2
Contact Information ··················································································································· 2
Revision History/Approvals: ······································································································· 3
Contents·································································································································· 4
Introduction ·························································································································· 17
Key Features ····························································································································· 17
Using This Document ············································································································· 18
Documentation Purpose ·········································································································· 18
Intended Audience ··················································································································· 18
Documentation Suite················································································································ 18
Conventions Used····················································································································· 19
Hardware and Interfaces········································································································ 20
Introduction······························································································································ 20
Ordering options of Hardware ································································································· 20
Graphical view of Hardware····································································································· 21
Front Panel························································································································ 21
Rear··································································································································· 22
Bottom······························································································································ 22
Side view··························································································································· 22
Logical System View ················································································································· 23
Configuration Environment ···································································································· 23
Command Line Interface ·········································································································· 23
Supported Functionalities ········································································································ 25
System Default state ················································································································ 29
Root Commands ······················································································································· 29
Root Commands Description···································································································· 31

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GCE Commands ························································································································ 32
GCE Commands Description····································································································· 34
ACE Commands ························································································································ 40
Main Show Commands············································································································· 41
GCE···································································································································· 41
ACE···································································································································· 42
System Version and Data Base ······························································································· 44
Configuration Database············································································································ 44
OS VERSION ······························································································································ 44
Running Configuration ············································································································· 45
Commands Hierarchy ··············································································································· 45
Example upgrade the OS from USB·························································································· 46
Example upgrade the OS from SFTP························································································· 47
Example export db and logs ····································································································· 48
Example handling db files on flash··························································································· 48
Example Import db from TFTP·································································································· 48
Safe Mode ································································································································ 49
SW Image upgrade and Recovery····················································································· 50
Install OS image update from a USB················································································· 51
Installing First OS image from a USB ················································································ 54
System Database Import/ Export ····················································································· 55
Port Interfaces ······················································································································· 57
Port addressing························································································································· 57
Graphical view of system Interfaces ························································································ 57
A logical view of ports ·············································································································· 58
Enabling Ports··························································································································· 59
ACE Ports ·································································································································· 59
Default state ····················································································································· 59
Vlan assignment················································································································ 60
Ports FE 0/9-0/16 ····················································································································· 60
POE Ports·································································································································· 61
Power Management of POE ····························································································· 61
Modes of POE ··················································································································· 62

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POE command Hierarchy·································································································· 63
POE Commands Description····························································································· 63
Controlling Ports······················································································································· 64
Storm Control ··················································································································· 64
Rate Limit Output ············································································································· 64
Ports command Hierarchy········································································································ 64
Port Commands Description ···································································································· 65
Port Configuration Example······························································································ 68
Configuration Output Example························································································· 68
Login and Management·········································································································· 69
Login Authentication Hierarchy································································································ 69
Login Authentication Commands Description·········································································· 71
Examples··································································································································· 73
Privilege level···························································································································· 74
Commands Description ···································································································· 74
Serial Console Port ··················································································································· 75
Connecting to the Console Port························································································ 75
CLI Console Commands ···································································································· 76
Management ···························································································································· 76
Default state ····················································································································· 77
Commands Hierarchy ······································································································· 77
Commands Description ···································································································· 78
Example ···························································································································· 79
System Alias······························································································································ 81
CLI Pagination··························································································································· 81
MAC-Address Table (FDB) ········································································································ 82
Port Mac Learning and limit ····························································································· 82
Commands Hierarchy ······································································································· 82
Configuration Example ····································································································· 83
IP ARP Table······························································································································ 83
Commands Hierarchy ······································································································· 83
Commands Description ···································································································· 84
Configuration Example ····································································································· 84

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VLAN ····································································································································· 86
VLANs of System Usage············································································································ 86
VLAN Range of NMS Usage ······································································································ 86
VLAN Configuration Guidelines ································································································ 86
VLAN Default state············································································································ 87
Vlan ports·························································································································· 87
Enabling VLAN··················································································································· 88
Vlan command Hirarchy ··································································································· 88
Configuration Example ····································································································· 89
IP Interfaces··························································································································· 91
GCE IP Interfaces ······················································································································ 91
Commands Hierarchy ······································································································· 91
Commands Description ···································································································· 92
Default state ····················································································································· 93
Configuration Examples···································································································· 93
Static & Dynamic switch Default IP Address assignment ··········································· 93
ACE IP Interfaces ······················································································································ 96
ACE IP Interface Commands Hierarchy············································································· 96
ACE IP Interface Commands Description·········································································· 97
Example for creating ACE IP Interface·············································································· 97
Diagnostic······························································································································ 98
System Environment ················································································································ 98
Environment Command Hierarchy ··················································································· 98
Environment Commands Description··············································································· 99
RMON ····································································································································· 100
Commands Hierarchy ····································································································· 100
Commands Description ·································································································· 100
Example ·························································································································· 101
System logs export ················································································································· 101
Commands Hierarchy ····································································································· 101
Commands Description ·································································································· 102
Capture Ethernet service traffic ····························································································· 102

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Commands Hierarchy ····································································································· 102
Commands Description ·································································································· 103
Example ·························································································································· 103
DDM········································································································································ 105
Commands Hierarchy ····································································································· 105
Commands Description ·································································································· 105
Example ·························································································································· 106
Debugging······························································································································· 108
Commands Hierarchy ····································································································· 108
Commands Description ·································································································· 109
Syslog······································································································································ 110
The Priority indicator······································································································ 110
GCE Message Format······································································································ 111
ACE Message Format······································································································ 112
Commands Hierarchy ····································································································· 121
Commands Description ·································································································· 122
Configuration Example ··································································································· 124
Output example·············································································································· 125
Alarm Relay ···························································································································· 126
ALARM Interface············································································································· 126
Supported Alarms ··········································································································· 127
Default state ··················································································································· 127
Commands Hierarchy ····································································································· 128
Commands Description ·································································································· 128
Monitor Session······················································································································ 130
Commands Hierarchy ····································································································· 130
Commands Description ·································································································· 131
Example ·························································································································· 131
SNMP ·································································································································· 131
Supported traps······················································································································ 131
SNMP command Hierarchy ···································································································· 131
SNMP command Description ································································································· 133

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Example ·································································································································· 139
Clock and Time ···················································································································· 139
Local Clock ······························································································································ 139
Commands Hierarchy ····································································································· 139
Commands Description ·································································································· 140
Example ·························································································································· 140
SNTP ······································································································································· 140
SNTP command Hierarchy······························································································· 140
SNTP Commands Descriptions·························································································· 142
Example ·························································································································· 147
SSH······································································································································ 148
SSH Command Hierarchy········································································································ 148
SSH Commands Descriptions·································································································· 148
DHCP··································································································································· 150
DHCP Client and Snooping Commands Hierarchy·································································· 150
DHCP Server ························································································································ 151
DHCP Server Commands Hierarchy························································································ 151
DHCP Relay Commands Description ······················································································ 152
Example ·························································································································· 153
DHCP Relay·························································································································· 157
DHCP Relay Command Hierarchy··························································································· 157
DHCP Relay Commands Description ······················································································ 157
Example ·································································································································· 161
RADIUS································································································································ 163
RADIUS Command Hierarchy ································································································· 163
RADIUS Commands Descriptions ··························································································· 163
Example ·································································································································· 165
TACACS································································································································ 166
Default Configurations ··········································································································· 166
TACACS Command Hierarchy ································································································· 166
TACACS Commands Descriptions ··························································································· 167
Configuration Example ··········································································································· 168

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802.1x ································································································································· 169
802.1x Commands Hierarchy ································································································· 169
802.1x Commands Descriptions····························································································· 170
Examples································································································································· 175
IGMP Snooping ···················································································································· 176
IGS Commands Hierarchy······································································································· 176
IGS Commands Descriptions ·································································································· 176
Example ·································································································································· 179
ACLs ···································································································································· 181
ACL Flow validation at a Port·································································································· 181
ACL Commands Hierarchy ······································································································ 183
ACL Commands Descriptions·································································································· 184
Configuration Example ··········································································································· 190
Flow Example·························································································································· 192
Test 1 ······························································································································ 192
Test 2 ······························································································································ 193
Test 3 ······························································································································ 194
Test 4 ······························································································································ 195
Test 5 ······························································································································ 196
QOS····································································································································· 197
QOS Commands Hierarchy····································································································· 197
QOS Commands Descriptions································································································· 199
Port based assignment of priority·························································································· 207
Setting a Scheduling Algorithms····························································································· 207
Traffic Filtering at Ingress······································································································· 208
Setting a Shaper per Egress Port ···························································································· 208
Map 802.1p to COS················································································································· 208
Set VPT or DSCP······················································································································ 209
Link Aggregation ·················································································································· 211
LAG command Hierarchy········································································································ 214
LAG Commands Descriptions ································································································· 215
Example ·································································································································· 217
STP ······································································································································ 219

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STP Description······················································································································· 220
Bridge ID and Switch Priority·································································································· 221
Election of the Root Switch ···································································································· 221
Default state ··················································································································· 221
STP Hierarchy ························································································································· 222
Commands Descriptions········································································································· 222
RSTP/MSTP·························································································································· 228
RSTP Description ···················································································································· 228
Port States ······························································································································ 228
Port Roles ······························································································································· 228
Rapid Convergence················································································································· 229
Proposal Agreement Sequence ······························································································ 229
Topology Change and Topology Change Detection ······························································· 230
Default Configurations···································································································· 230
Setting Spanning Tree Compatibility to STP··········································································· 231
Configuring Spanning Tree Path Cost····················································································· 233
Configuring Spanning Tree Port Priority················································································· 236
Configuring Spanning Tree Link type······················································································ 238
Configuring Spanning Tree Portfast················································································ 240
Configuring Spanning Tree Timers·················································································· 241
Enhanced RSTP ···················································································································· 241
Method of operation·············································································································· 241
Enhanced RSTP Command Hierarchy····················································································· 244
Commands Descriptions········································································································· 244
LLDP ···································································································································· 245
LLDP Commands Hierarchy ···································································································· 245
LLDP Commands Descriptions································································································ 246
Example 1 ······························································································································· 257
Show LLDP······················································································································· 258
Example 2 ······························································································································· 260
Show LLDP······················································································································· 261
OSPF···································································································································· 262
OSPF GCE Commands Hierarchy ···························································································· 262

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OSPF GCE Commands Descriptions························································································ 264
OSPF ACE Commands Hierarchy····························································································· 280
OSPF ACE Commands Descriptions ························································································ 281
OSPF setup example··············································································································· 282
VRRP ··································································································································· 286
RIP Commands Hierarchy······································································································· 286
VRRP Commands Descriptions ······························································································· 287
Example ·································································································································· 287
RIPv2··································································································································· 290
GCE RIP Commands Hierarchy ······························································································· 290
GCE RIP Commands Descriptions ··························································································· 290
ACE RIP Commands Hierarchy································································································ 292
ACE RIP Commands Descriptions ··························································································· 293
Example ·································································································································· 294
OAM CFM···························································································································· 297
CFM Command Hierarchy ······································································································ 298
CFM Commands Descriptions ································································································ 299
ERPS···································································································································· 306
ERPS Commands Hierarchy ···································································································· 306
ERPS Commands Descriptions································································································ 308
ERP setup example ················································································································· 323
Serial Ports and Services ······································································································ 335
Serial interfaces······················································································································ 336
Services configuration structure ···························································································· 336
Serial Commands Hierarchy ··································································································· 337
Serial Commands Description ································································································ 338
Declaration of ports················································································································ 343
Default State··························································································································· 343
System default VLAN 4093 ····································································································· 343
Serial default VLAN 4092········································································································ 343
RS- 232 Port Pin Assignment ·································································································· 345
RS- 232 Serial cable ················································································································ 346
Led States ······························································································································· 346

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Transparent Serial Tunneling································································································ 347
Concept of Operation············································································································· 347
Supported Network topologies ······························································································ 348
Point to Point·················································································································· 348
Point to multipoint point ································································································ 349
Multi Point to multipoint point ······················································································ 350
Modes of Operation ··············································································································· 350
Port Mode Of Operation································································································· 350
Service Buffer Mode ······································································································· 351
Byte································································································································· 351
Addressing Aware Modes······································································································· 351
Non aware mode ············································································································ 351
Aware mode ··················································································································· 352
Reference drawing ················································································································· 353
Serial Traffic Direction············································································································ 354
Serial ports counters······································································································· 354
Allowed latency ······················································································································ 354
Tx Delay ·································································································································· 354
Bus Idle Time ·························································································································· 355
Byte mode······················································································································· 355
Frame mode···················································································································· 355
Bits for Sync···························································································································· 356
bits-for-sync1·················································································································· 356
bits-for-sync2·················································································································· 356
RS-232 Control lines ··············································································································· 357
Modes of operation········································································································ 358
Example Serial Tunneling ······································································································· 362
Terminal Server ··················································································································· 364
Terminal Server service ·········································································································· 364
Terminal Server Commands Hierarchy··················································································· 365
Terminal Server Commands ··································································································· 366
Example local Service ············································································································· 370
Example Networking ·············································································································· 373

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Modbus Gateway················································································································· 375
Implementation······················································································································ 375
Modbus Gateway Commands Hierarchy················································································ 375
Modbus Gateway Commands Description············································································· 376
Example ·································································································································· 377
DNP3 Gateway····················································································································· 380
Example ·································································································································· 380
Protocol Gateway IEC 101 to IEC 104 ···················································································· 382
Modes of Operation ··············································································································· 382
IEC101/104 Gateway properties IEC 101 ··············································································· 383
IEC101/104 Gateway Configuration······················································································· 384
Gateway 101/104 Configuration Flow ··················································································· 385
Gateway 101/104 Commands Hierarchy ··············································································· 386
Gateway 101/104 Commands································································································ 387
Example Gateway 101/104 ···································································································· 389
VPN····································································································································· 392
Background····························································································································· 392
Modes supported ··················································································································· 392
Layer 2 VPN····················································································································· 392
Layer 3 DM-VPN·············································································································· 393
L2-VPN Commands Hierarchy ································································································ 393
L2-VPN Commands················································································································· 393
L3 DM-VPN Commands Hierarchy·························································································· 394
L3 IPSec-VPN Commands Hierarchy······················································································· 395
IPSec ··································································································································· 396
Applications···························································································································· 396
Authentication Header (AH)··································································································· 396
Encapsulating Security Payload (ESP)····················································································· 396
Security Associations·············································································································· 396
ISAKMP ··································································································································· 396
IKE··········································································································································· 397
ISAKMP Phase 1 ·············································································································· 397
ISAKMP Phase 2 ·············································································································· 403

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IPSec Command Association ·································································································· 404
IPSec Commands Hierarchy···································································································· 405
IPsec Commands ···················································································································· 406
IPSec defaults·················································································································· 410
GPRS/UMTS Interface ·········································································································· 411
Overview································································································································· 411
Hardware································································································································ 411
Method of operation·············································································································· 412
SIM card state················································································································· 412
Backup and redundancy ································································································· 414
GPRS/UMTS Commands Hierarchy ························································································ 417
GPRS/UMTS Commands Description ····················································································· 418
Default State··························································································································· 420
Led States ······························································································································· 420
Example for retrieving the IMEI ····························································································· 421
Example for Sim Status··········································································································· 421
Example Cellular Watch Dog ·································································································· 423
Discrete IO Tunneling··········································································································· 426
Discrete channel interfaces···································································································· 426
Hardware································································································································ 426
Services··································································································································· 427
Diagnostics and logic states ··································································································· 427
Technical data ························································································································ 427
Discrete IO tunneling Commands Hierarchy ·········································································· 428
Discrete IO tunneling Commands··························································································· 428
VPN Setup Examples ············································································································ 429
L2 VPN over Layer 3 cloud······································································································ 429
Network drawing ············································································································ 429
Configuration·················································································································· 429
Implementing IPSec ········································································································ 432
L3 IPSec VPN over Layer 3 cloud ···························································································· 433
Network drawing ············································································································ 433
Configuration·················································································································· 434

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L2 VPN over Cellular Setup····································································································· 437
Gateway 101/104 over L2 Cellular Setup·············································································· 443
Terminal Server and Serial tunneling over L2 Cellular Setup················································· 448
L3 DM-VPN over Cellular Setup······························································································ 453
Network drawing ············································································································ 454
Configuration·················································································································· 454
Testing the setup ············································································································ 457
Adding a terminal server service ···················································································· 458
Adding a transparent serial tunneling service································································ 458
Application Aware Firewall ·································································································· 460
Firewall Service flow··············································································································· 460
Firewall Flow Illustration ········································································································ 460
Supported Hardware·············································································································· 461
Configuration·························································································································· 461
Example ·································································································································· 462
Firewall Commands Hierarchy ······························································································· 464
Firewall Commands················································································································ 464

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Introduction
The IS5 Communications Service-aware Industrial Ethernet switches combine a ruggedized Ethernet platform with a
unique application-aware processing engine.
As an Industrial Ethernet switches the IS5 Communications switches provide a strong Ethernet and IP feature-set with a
special emphasis on the fit to the miSG18GFPion-critical industrial environment such as fit to the harsh environment, high
reliability and network resiliency.
In addition the IS5 Communications switches have unique service-aware capabilities that enable an integrated handling of
application-level requirements such as implementation of security measures.
Such an integrated solution results in simple network architecture with an optimized fit to the application requirements.
Key Features
The IS5 Communications iSG18GFP devices offer the following features:
Wire speed, non-blocking Layer 2 switching
Dynamic and static layer 3 routing
Compact systems with flexible ordering options of interfaces type /quantity
Advanced Ethernet and IP feature-set
Integrated Defense-in-Depth tool-set
Ethernet and Serial interfaces
Cellular mode
Fit to harsh industrial environment
Supported by a dedicated industrial service management tool (iSIM)

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Using This Document
Documentation Purpose
This user guide includes the relevant information for configuring the IS5 Communications iSG18GFP functionalities.
It provides the complete syntax for the commands available in the currently-supported software version and describes
the features supplied with the device.
For more information regarding the device installation, refer to the Installation and Maintenance chapter.
For the latest software updates, see the Release Notes for the relevant release. If the release notes contain information
that conflicts with the information in the user guide or supplements it, follow the release notes' instructions.
Intended Audience
This user guide is intended for network administrators responsible for installing and configuring network equipment.
Users must be familiar with the concepts and terminology of Ethernet and local area networking (LAN) to use this User
Guide.
Documentation Suite
This document is just one part of the full documentation suite provided with this product.
You are:
Document Function
Function
Installation Guide
Contains information about installing the hardware and
software; including site preparation, testing, and safety
information.
User Guide
Contains information on configuring and using the system.
Release Notes
Contains information about the current release, including new
features, resolved iSG18GFPues (bug fixes), known
iSG18GFPues, and late-breaking information that supersedes
information in other documentation.

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Conventions Used
The conventions below are used to inform important information:
NOTE
Indicating special information to which the user needs to pay special attention.
CAUTION
Indicating special instructions to avoid possible damage to the product.
DANGER
Indicating special instructions to avoid possible injury or death.
The table below explains the conventions used within the document text:
Conventions
Description
commands
CLI and SNMP commands
command example
CLI and SNMP examples
<Variable>
user-defined variables
(numerical variable)
numerical variable
{mandatory command parameters}
CLI syntax
[Optional Command Parameters]
CLI syntax

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Hardware and Interfaces
Introduction
Depending on the iSG18GFP hardware variant ordered your switch will hold physical Ethernet and Serial ports.
Serial, RJ 45 ports, are RS-232 supporting. Max 4 ports
Ethernet RJ45 copper ports are 10/100 FE. Max 16 ports
Ethernet SFP based ports are 100/100 FE. Max 8 ports.
Ethernet SFP based ports are 100/1000 GE. Max 2 ports.
Ordering options of Hardware
The Following Table Represent Ordering option for iES18GFP
Ethernet Port 1-8
Ethernet Port 9-10
Option 1
Description
8RJ45
|
|
8 x 10/100 Base TX RJ45
8PRJ45
|
|
8 x 10/100 Base TX RJ45 PoE Ports 30W Max per port***
xx
|
None
2GSFP
|
2 x 100/1000 Base X SFP Port (Blank no SFP transceiver**)
xx
None
8RJ45
8 x 10/100 Base TX RJ45
8SFP
8 x 100 Base X SFP Port (Blank no SFP transceiver)
4SRJ45
4 x RS232 RJ45 Serial Ports with 2KV Isolation
2SIM
Dual SIM GPRS/UMTS Modem
6GCX
4 x RS232 RJ45 Serial Ports with 2KV Isolation + Dual SIM
iSG18GFP B variants do not support the following features:
OSPF
VRRP
RIP
IEC 104 Firewall
DNP3 Firewall
Modbus Firewall
DM-VPN
IPSEC-VPN
Cellular modem