ZIV SWT User manual

Making the Smart Grid Real
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ZIV
Antonio Machado,78-80
08840 Viladecans, Barcelona-Spain
Tel.: [phone]
Fax: [phone]
Mail to: [e-mail]
www.zivautomation.com
GIGABIT/FAST ETHERNET SWITCH
TYPE SWT
USER GUIDE
V09 - March 2019
M0SWTA1903Iv09

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
SAFETY SYMBOLS

WARNING OR CAUTION:
This symbol denotes a hazard. Not following the indicated procedure,
operation or alike could mean total or partial breakdown of the
equipment or even injury to the personnel handling it.
NOTE:
Information or important aspects to take into account in a procedure,
operation or alike.

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CONTENTS
Page
1INTRODUCTION 6
1.1 GENERAL 6
1.2 MAIN CHARACTERISTICS 6
1.3 EQUIPMENT COMPOSITION 10
1.4 TECHNICAL SPECIFICATIONS 11
1.4.1 Switch characteristics 11
1.4.2 Unit interfaces 11
1.4.3 Accessories 12
1.4.4 Equipment management 13
1.4.5 Additional services 13
1.4.6 Certifications 13
1.4.7 Mechanical characteristics 14
1.4.8 Operating conditions 14
1.5 WARNINGS 16
1.5.1 Warnings before installing 16
1.5.2 Equipment safety considerations 17
2MECHANICAL AND ELECTRICAL CHARACTERISTICS 18
2.1 10/100BASE-TX (RJ-45) PORTS 22
2.2 100BASE-FX (MULTIMODE, MT-RJ) PORTS 24
2.3 100BASE-FX (MULTIMODE, ST or SC) PORTS 24
2.4 100BASE-FX (MULTIMODE, LC) PORTS 25
2.5 100BASE-LX (SINGLEMODE, LC) PORTS 25
2.6 SFP PORTS 26
2.7 SRV PORT 28
2.8 I/O CONNECTOR 29

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3LED SIGNALLING 30
3.1 SWT WITH FRONT PORTS 30
3.2 SWT WITH REAR PORTS 34
4ACCESS TO THE EQUIPMENT 37
4.1 CONSOLE 37
4.2 HTTP SERVER 38
5CONFIGURATION AND MANAGEMENT 40
5.1 GENERAL PARAMETERS 41
5.1.1 Equipment identification 42
5.1.2 Access control 42
5.1.3 Others 43
5.1.4 Syslog 43
5.2 ADMINISTRATION 44
5.3 LAN CONFIGURATION 45
5.4 ETHERNET PORTS CONFIGURATION 46
5.5 VLAN CONFIGURATION 50
5.6 BANDWIDTH LIMIT CONFIGURATION 54
5.7 QoS CONFIGURATION 55
5.8 PORTS MONITORING CONFIGURATION 58
5.9 LLDP CONFIGURATION 61
5.10 SNMP CONFIGURATION 63
5.11 STP PROTOCOL CONFIGURATION 66
5.12 NTP/SNTP CONFIGURATION 70
5.13 MULTICAST CONFIGURATION 72
5.13.1 Static 74
5.13.2 GMRP 75
5.13.3 IGMP 77

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5.14 ACCESS CONFIGURATION 79
5.15 SECURITY CONFIGURATION 81
5.15.1 802.1x 82
5.15.2 MAC list 84
5.16 OTHERS CONFIGURATION 85
5.17 REBOOT 86
5.18 CODE REFLASH 86
5.19 CONFIGURATION FILE 87
5.19.1 Upload (from the PC to the equipment) 88
5.19.2 Download (from the equipment to the PC) 88
5.20 EVENT FILES 89
6STATISTICS 90
APPENDIX A
BIBLIOGRAPHY AND ABBREVIATIONS 96
APPENDIX B
DATA STRUCTURE IN CLI 101

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1 INTRODUCTION
1.1 GENERAL
SWT is a Gigabit/Fast Ethernet switch intended for big scale LAN deployments where:
port density,
switching performance, and
logical complexity
are the main challenges to surpass.
SWT devices bring the necessary capabilities to implement the automation of electrical
substations according to the IEC 61850 standard.
The SWT can be managed locally and remotely, through a console or through a built-in
web server, HTTP or HTTPS, SSH connection and Telnet.
The SWT also supports the SNMPv1, SNMPv2c and SNMPv3 protocols, as well as other
protocols and services suchas LLDP, GARP/GMRP, IGMP, NTP/SNTP, TACACS+ and RADIUS.
1.2 MAIN CHARACTERISTICS
Some of the SWT most important features are described below.
❖Grouping of services and architectures.
Services may be grouped and discriminated, some not being accessible with others,
through the configuration of different VLANs.
Each VLAN is different from the others thanks to a specific identifier, called VID, which is
included in the VLAN tag and specified in the standard IEEE 802.1q. It permits several
VLANs to share resources, either switching equipment such as the SWT, or links
between switching equipment, guaranteeing that each VLAN traffic will remain isolated
from the others.
The standard 802.1q admits three types of frames: untagged frames, tagged frames with
the VLAN ID (VID) identifier and the priority (tagged) or only the priority (priority tagged,
VLAN = 0).
The SWT may adapt to different network architectures, such as: star, double star, ring,
double ring, and linked rings.

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FIGURE 1 Traffic separation
FIGURE 2 Star topology

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FIGURE 3 Rings
❖Link Aggregation by LAG function.
The Link Aggregation Group (LAG) function allows grouping several links into a single
aggregated link identifier. Figure 3 illustrates an example of link aggregation. From the
point of view of the STP/RSTP protocol, the connection entity is the LAG group identifier.
In this way, the different links that are part of the LAG are not handled individually and are
not considered a loop, and thus it provides the aggregated bandwidth.
Link aggregation can be created for any of the planned interface functions: user (edge,
untag), inter-switch link (trunk or native) and those associated to the Q-in-Q functionality
(access and core). Once the LAG is established, the set of parameters of the interface
selected as Leader determines the behaviour of the group.
❖Q-in-Q operation.
The SWT includes two functions that provide Q-in-Q operation (double-tagged). In this
operation mode, the frames include the original tag (C-TAG), either generated by the
client equipment or assigned by the switch itself at the moment is received, and a second
tag, the tag of the provider (S-TAG), which will be the tag used in the network of the
service provider.
The 802.1Q tunnels are a useful tool to reuse the identification VID values of the VLAN,
or for transiting data over third-party networks.

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FIGURE 4 Q-in-Q operation
❖Advanced RSTP implementation
The SWT not only complies with the STP and RSTP protocols for resolving loops in the
network and operation in rings, but it also exceeds the recovery times obtained through
said protocols. Thus, the SWT guarantees recovery times lower than 4 ms per link via the
RSTP standard in case of failure.
❖Critical services and security.
The different services have their level of importance. For example, sending orders to
open a switch has priority over the traffic from a telephone connection. The SWT has
Quality of Service (QoS), which identifies critical services, guaranteeing that all traffic
receives the appropriate priority.
On the other hand, the SWT implements different security features that prevent
unauthorized access to the traffic system, such as: port disabling, traffic restriction
according to MAC addresses, authentication protocols (TACACS+, RADIUS), etc.
❖Broadcast traffic limitation.
In order to avoid the network flooding, the SWT establishes maximum volume limits for
different combinations of broadcast, multicast, and flooding messages, in each one of
their ports.

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❖Multicast traffic.
The SWT has two protocols for adapting the multicast traffic to the desired interfaces.
The protocols are:
oGARP/GMRP (IEEE 802.1D 2004). The GMRP clients request to the SWT the
selective transmission of the multicast traffic desired by each of them.
oIGMP. The SWT manages multicast traffic based on the IGMP messages
exchanged by the client equipment and the multicast routers (IGMP Snooping).
To be operative, the GARP/GMRP protocol must be INACTIVE.
The SWT also establishes the multicast flows in an explicit and manual way.
❖Port mirroring.
The SWT resends traffic copies of one or more ports to another one, the monitoring port,
being able to establish incoming or outgoing traffic copies in each monitored port in an
independent manner.
1.3 EQUIPMENT COMPOSITION
The SWT is provided in a 19" shelf that is 1 standard unit (s.u.) in height, prepared for rack
mounting.
It includes a serial maintenance interface (DCE mode) and an I/O connector (see section
2.8), and can include 4 Gigabit Ethernet SFP bays and up to 32 ports, front or rear.
The SWT has a 4-block mechanical structure for the installation of the ports. See in section
1.4.2, Equipment interfaces, the types of blocks available and their requirements.
The main power supply may be isolated DC or multirange (VDC and VAC). The SWT may
include an isolated DC or multirange (VDC and VAC) redundant power-supply option and, in
the front port model, a PoE power-supply option for the direct connection of IP devices
(IEEE 802.3 af) in the first four electrical ports (1 to 4).