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XS26GS Managed Optical Ethernet Switch User Manual
i
Copyright © 2010-2011, XENYA d.o.o.
All Rights Reserved
This document contains proprietary information that is protected by copyright. No part
of this document may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language, in any form or by any means, electronic,
mechanical, magnetic, optical, chemical, manual or otherwise without the prior written
permission of Xenya d.o.o.
Disclaimer Notice:
No license is granted, implied or otherwise, under any patent or patent rights of
XENYA d.o.o. makes no warranties, implied or otherwise, in regard to this document and
to the products described in this document. The information provided by this document
is believed to be a c c u r a t e and reliable t o t he publication date of this document. However,
Xenya d.o.o. assumes no responsibility for any errors in this document. Furthermore,
Xenya d.o.o. assumes no responsibility for the use or misuse of the information in this
document and for any patent infringements that may arise from the use of this
document. The information and product specifications within this document are subject
to change at any time, without notice and without obligation to notify any person of such
change.

XS26GS Managed Optical Ethernet Switch User Manual
ii
Table of Contents
1. Introduction .............................................................................. 5
1.1 FEATURES ...................................................................................................5
1.2 FACE PANEL.................................................................................................2
1.3 SFP BASED OPTICAL INTERFACE OPTIONS .............................................................2
1.4 POWER SUPPLY OPTIONS .................................................................................2
1.5 PHYSICAL AND ENVIRONMENTAL .........................................................................2
1.6 DEFAULT CONFIGURATION ................................................................................3
1.7 MANAGEMENT SOFTWARE SPECIFICATION ..............................................................4
2. Web Management Function ....................................................... 5
2.1 CONVENTIONS..............................................................................................5
2.2 SYSTEM INFORMATION ....................................................................................5
2.3 ADVANCED CONFIGURATION ..............................................................................6
2.4 PORT MANAGEMENT .......................................................................................6
2.4.1 Port Configuration ...............................................................................7
2.4.2 Port Aggregation .................................................................................7
2.4.3 Port Bandwidth ...................................................................................9
2.4.4 Port Mirroring ...................................................................................10
2.5 VLAN .....................................................................................................11
2.5.1 Advanced .........................................................................................11
2.5.2 Port-based VLAN ...............................................................................11
2.5.3 802.1Q VLAN....................................................................................11
2.5.4 Protocol VLAN ...................................................................................13
2.5.5 MAC-based VLAN ..............................................................................13
2.5.6 VLAN VPN ........................................................................................14
2.5.7 GARP...............................................................................................16
2.6 QOS .......................................................................................................16
2.6.1 QoS Configuration .............................................................................17
2.6.2 Scheduling Mechanism.......................................................................17
2.6.3 Transmit Queues ...............................................................................18
2.6.4 DSCP Map ........................................................................................18
2.7 FORWARDING.............................................................................................19
2.7.1 Unicast MAC Address .........................................................................19
2.7.2 Multicast MAC Address .......................................................................20
2.7.3 IGMP Snooping .................................................................................21
2.7.4 MVR ................................................................................................22
2.7.5 Unknown Multicast ............................................................................23
2.8 SECURITY .................................................................................................24
2.8.1 Management Security ........................................................................24
2.8.2 Port Authentication............................................................................24
2.8.3 MAC Authentication ...........................................................................27
2.8.4 IP Binding ........................................................................................28
2.8.5 Storm Control ...................................................................................28
2.9 ACL .......................................................................................................28
2.9.1 Management ACL ..............................................................................29
2.9.2 ACL Rule ..........................................................................................29
2.9.3 Port Binding......................................................................................32
2.10 LLDP ....................................................................................................32
2.10.1 Management LLDP...........................................................................32
2.10.2 Neighbor Information.......................................................................34
2.10.3 LLDP Statistics ................................................................................34
2.11 STATISTICS .............................................................................................36
2.11.1 Port Status .....................................................................................36
2.11.2 Port Statistics .................................................................................36
2.11.3 VLAN List .......................................................................................37
2.11.4 MAC Address Table ..........................................................................37

XS26GS Managed Optical Ethernet Switch User Manual
iii
2.11.5 IGMP Snooping Group ......................................................................38
2.11.6 Link Aggregation .............................................................................38
2.12 SPANNING TREE ........................................................................................39
2.12.1 Global ............................................................................................39
2.12.2 STP&RSTP ......................................................................................40
2.12.3 MSTP Region...................................................................................43
2.12.4 MSTP Ports .....................................................................................45
2.12.5 MSTP State.....................................................................................46
2.13 SNMP MANAGER.......................................................................................46
2.13.1 SNMP Account.................................................................................46
2.13.2 SNMP Trap......................................................................................48
2.14 ADMINISTRATION.......................................................................................49
2.14.1 IP Configuration ..............................................................................49
2.14.2 Ping Diagnosis ................................................................................50
2.14.3 Account..........................................................................................50
2.14.4 TFTP Services .................................................................................51
2.14.5 Reboot ...........................................................................................52
2.14.6 Reset .............................................................................................52
2.14.7 Save Configuration ..........................................................................53
2.14.8 System Logs ...................................................................................53
2.15 LOGOUT .................................................................................................54
3. Command Line Interface (CLI) ................................................ 55
3.1 ERROR MESSAGE .......................................................................................55
3.2 CLI CONVENTIONS ......................................................................................55
3.3 SHORTCUTS INTRODUCTION ............................................................................55
3.4 CLI COMMAND MODES..................................................................................56
3.5 GLOBAL COMMANDS .....................................................................................57
3.6 USER LEVEL ..............................................................................................57
3.7 SYSTEM MANAGEMENT COMMANDS ....................................................................58
3.8 PORT BASIC CONFIGURATION COMMANDS............................................................70
3.9 LINK AGGREGATION COMMANDS .......................................................................78
3.10 MIRRORING COMMANDS...............................................................................85
3.11 VLAN COMMANDS .....................................................................................87
3.11.1 VLAN Configuration Commands .........................................................87
3.11.2 Port-Based VLAN Configuration Commands .........................................98
3.12 VLAN VPN ........................................................................................... 101
3.13 GVRP COMMANDS................................................................................... 103
3.14 QOSCOMMANDS..................................................................................... 107
3.15 MAC ADDRESS TABLE MANAGEMENT COMMANDS ............................................... 113
3.16 MULTICAST COMMANDS ............................................................................. 118
3.17 IGMP SNOOPING CONFIGURATION COMMANDS.................................................. 120
3.18 802.1X CONFIGURATION COMMANDS............................................................. 126
3.19 STP COMMANDS ..................................................................................... 133
3.20 SNMP CONFIGURATION COMMANDS .............................................................. 149
3.21 SYSTEM LOG COMMANDS ........................................................................... 157
3.22 LLDP CONFIGURATION COMMANDS ............................................................... 158
3.23 ACL CONFIGURATION COMMANDS ................................................................. 164
3.24 PORT BINDING CONFIGURATION COMMANDS ..................................................... 166
3.25 MVR CONFIGURATION COMMANDS ................................................................. 168
3.26 LOOPBACK-DETECTION .............................................................................. 172
4. Ordering Information ............................................................ 176
5. Appendix A: Command Index ................................................ 177
6. Appendix B: Supported MIBs ................................................. 184

XS26GS Managed Optical Ethernet Switch User Manual
iv
REVISION HISTORY
Date Version Description
Jan 28, 2011 V1.00 Initial release
Jun 15, 2011 V1.01 Graphics update

XS26GS Managed Optical Ethernet Switch User Manual
v
1. Introduction
XS26GS Managed SFP Based Optical Ethernet Switch is a high-performance
managed Layer 2+ Gigabit Ethernet switch for service providers. It offers up to
twenty-six SFP based Gigabit Ethernet fiber optic ports.
XS26GS is targeted at the emerging market of Ethernet based FTTx. It comes with
a rich feature set to meet the requirements of a wide range of applications, especially
the access network and the small-to-medium-scale customized network. The design of
dual power supply provides the power redundancy for applications requiring high
reliability. XS26GS is low-profile with a standard rack-mount size. It achieves the
highest fiber port density within a single rack, providing users with the best
performance/price ratio.
1.1 Features
zA range of configurable copper and fiber ports to meet the requirement of
various applications, such as FTTH, optical LAN, Ethernet-based DCS and
security surveillance system.
z8K address table for auto-learned unicast or static unicast/multicast addresses.
zJumbo frame of up to 9216 bytes
z802.1p, Port, and DiffServ based QoS package classification with 4 priority
queues. Support queue mapping and DSCP mapping.
z4K 802.1Q based VLAN
zPort based VLAN
z16 Protocol based VLAN
zMAC based VLAN
zGuest VLAN
zVLAN VPN, QinQ
zGARP/GVRP
z16 trunk groups of up to 8 member ports with flexible load distribution control
and fail-over functions.
zManual, static, and dynamic port aggregation
z802.1d Spanning Tree Protocol, 802.1w Rapid Spanning Tree Protocol, and
802.1s Multiple Spanning Tree Protocol.
zBy-port egress, ingress, and bi-direction rate control
zMulti combination of MAC address, VID, and port binding
zStatic and dynamic MAC addressing
zBlackhole MAC address filtering
zIGMP Snooping
zMulticast VLAN Registration (MVR)
zLink Layer Discovery Protocol (LLDP)
zStorm Control for any combination of multicast, broadcast, and DLF traffic
zAccess Control Lists (ACL)
zSecure Shell (SSH) v2.0
z802.1x Port-based access control and MAC authentication
zUser configurable port mirroring supports ingress/egress/both data flow
monitoring on one or more ports.
zSNMP v1/v2c/v3
zWeb page management
zCommand Line Interface (CLI)
zTelnet and RS232 console management

XS26GS Managed Optical Ethernet Switch User Manual
2
zUser account assignable to one of the three access privilege levels
zOn-line firmware upgrade
zConfiguration file backup and restore
zDual power supply modules provide power redundancy with status monitoring
features.
1.2 Face Panel
The face panel of the XS26GS optical Ethernet switch is shown in the following figure.
1.3 SFP Based Optical Interface Options
z1000Base-X
oDual multimode fiber(50/125μm), single wavelength 850nm, dual LC
connector, 550m reach.
oDual multimode fiber(62.5/125μm), single wavelength 850nm, dual
LC connector, 275m reach.
oDual single-mode fiber, single wavelength 1310nm or 1550nm, dual
LC connector, 15/40 km reach.
1.4 Power Supply Options
zAC90~264V/1.2A max, 50/60Hz, or
zDC18~36V/2A, or
zDC36~72V/1.5A
zPower Consumption: no more than 45W
1.5 Physical and Environmental
zDimensions: 19-inch rack-mount width, 1.0U height
zWeight: ~5Kg
zOperating temperature: 0℃~ 50℃
zStorage temperature: -25℃~ 85℃
zHumidity: 5% ~ 95% RH Non-condensing

XS26GS Managed Optical Ethernet Switch User Manual
3
1.6 Default Configuration
(1) Administration
IP:
IP Address: 192.168.0.253
IP Sub network: 255.255.255.0
IP Gateway: 192.168.0.201
Accounts:
User Level: Visitor User Administrator
User Name: guest manager superuser
Password: (none) 123 123
(2) Port
State: enabled
Flow Control: disabled
Learning: enabled
Rate limit: disabled
Negotiation: enabled
(3) VLAN
VLAN mode: none
Static VLAN: 1, including all ports
Port VID: 1
Port link type: hybrid
Frame type: admit all
(4) SNMP
Version: v1
Community: public
Privilege : RO
User: (none)
SNMP trap: enabled
Trap host IP: (none)
(5) Protocols
IGMP Snooping: Disabled
GARP/GVRP: Disabled
STP: Disabled
LACP: Disabled
802.1x: Disabled
LLDP: Disabled

XS26GS Managed Optical Ethernet Switch User Manual
4
1.7 Management Software Specification
The following table summarizes the protocols supported by the managed optical
Ethernet switch in the current software release.
TCP/IP ARP, ICMP, IP, TCP, UDP
SNMP SNMP v2(1,2,3,9), FMC private MIBS, MIB counters of
groups 1,2,4,9
Web management server Http Server. Support goahead-2.1.8.Java scripts, Java
Applet, CGI
Telnet server Telnet 1.0
Console Standard UART
Spanning tree protocol IEEE 802.1d/1w/1s
Four-level priority queuing IEEE 802.1p
Port-based VLAN SVL
Tag-based VLAN IEEE 802.1q (IVL and SVL), GVRP
Protocol-based VLAN IEEE 802.1v
Trunking IEEE 802.3ad, LACP
Authentication IEEE 802.1x
IGMP Snooping RFC2236

XS26GS Managed Optical Ethernet Switch User Manual
5
2. Web Management Function
A Web browser has been provided to manage and monitor the switch. The default values
are set in section 1.6 of this manual. When logging to the switch, you can browse
http://192.168.0.253 and type the user name and password as shown in section 1.6
above.
If you need to change IP address at the first time, you can modify it through RS232
console, or using telnet to login.
2.1 Conventions
Convention Description
Boldface Keywords on web management page is in Boldface
italic Tag page name is in italic
<> Button on web management page is in <>
2.2 System Information
At login, the web is on System Information page, which shows the basic information of
the switch as below.

XS26GS Managed Optical Ethernet Switch User Manual
6
2.3 Advanced Configuration
This page configures whether to globally enable or disable the following protocols:
zIGMP Snooping
zGVRP
zSTP
zLACP
zAuthentication
zLLDP
zLBD
zLBD Interval Time
zXS View
IGMP Snooping: globally enable or disable the protocol.
GVRP: globally enable or disable the protocol.
STP: globally enable or disable the protocol.
LACP: globally enable or disable the protocol.
Authentication: select authentication between 802.1x or MAC based, or disable the
authentication.
LLDP: globally enable or disable the protocol.
LBD: used to globally enable loopback detection function on this switch. It will check
whether there is a loop on the switch on any VLAN. If there is one on a VLAN, it will shut
down the port or will send out a trap.
LBD Interval Time: time interval for loopback detection, in the range of 5 to 300
(seconds). The default value is 30.
XS View: enable or disable the XS View management software.
2.4 Port Management
This page configures port related management functions as below:
zPort Configuration
zPort Aggregation
zPort Bandwidth
zPort Mirroring

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XS26GS Managed Optical Ethernet Switch User Manual
8
port in a static LACP trunk shall have this port’s Link LACP enabled. When a static LACP
trunk is (manually) deleted, all ports of this trunk with “up” status will generate one or
more dynamic LACP trunks automatically.
Dynamic LACP aggregation: a dynamic LACP trunk can only be set or deleted
automatically by the protocol; any port in a dynamic LACP trunk shall have this port’s
LACP enabled.
A trunk may be configured as a mirror port, but it is not allowed to configure a trunk as
a monitoring port.
There are four tag pages on this webpage to configure various parameters:
Aggregate Groups – create and configure a trunk. The switch can have up to 13 trunks.
Trunk ID: one of the 13 trunk IDs (from T1 to T13) for the user to choose from.
Trunk Name: give a name for the selected trunk.
Trunk Type: select the trunk to be a manual trunk, or static LACP trunk.
Port: choose up to 8 ports to form the trunk.
The bottom part of this tag page lists all existing trunks.
Note: Only when LACP in Advanced Configuration page is enabled, Trunk Type can be
selected; otherwise, the Trunk Type is Manual.
Lacp Port Setting – configures LACP ports
Aggregate Based Setting – sets LACP system priority, between 1 and 65535

XS26GS Managed Optical Ethernet Switch User Manual
9
Lacp Status Setting – sets LACP active or passive for each port
Active: The port automatically sends LACP protocol packets.
Passive: The port does not automatically send LACP protocol packets; it responds only
if it receives a LACP protocol packet from the opposite device.
A link having either one or two active LACP ports can perform dynamic LACP trunking. A
link has two passive LACP ports that will not perform dynamic LACP trunking as both
ports are waiting for LACP protocol packet from the opposite device.
2.4.3 Port Bandwidth
This page sets the ingress and/or egress rate limit for each port.
Port: the port for which the rate limit is configured.
Ingress: the desired ingress rate limit to be configured. Choose “disabled” to set the
port with no ingress rate limit, which means the port will run in full speed for ingress
traffic.
Egress: the desired egress rate limit to be configured. Choose “disabled” to set the port
with no egress rate limit, which means the port will run in full speed for egress traffic.
When completing a configuration, click <apply> to take effect.
The bottom part of this page shows a full list of rate limit for each port.

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