SW3
GIGABIT/FAST ETHERNET SWITCH TYPE SW3 (DIN) 10/122
USER GUIDE - M0SW3D1905Iv04 - V04 May 2019
On the other hand, the SW3 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 SW3 selects maximum volume limits for
different combinations of broadcast, multicast, and flooding messages, in each one of
their ports.
❖ Multicast traffic.
The SW3 has two protocols for adapting the multicast traffic to the desired interfaces.
The protocols are:
• GARP/GMRP (IEEE 802.1D 2004). The GMRP clients request to the SW3 the
selective transmission of the multicast traffic desired by each of them.
• IGMP. The SW3 manages multicast traffic based on the IGMP messages exchanged
by the client devices and the multicast routers (IGMP Snooping). To be operative, the
GARP/GMRP protocol must be INACTIVE.
The SW3 also selects the multicast flows in an explicit and manual way.
❖ Port mirroring.
The SW3 resends traffic copies of one or more ports to another one, the monitoring
port, being able to select incoming or outgoing traffic copies in each monitored port in
an independent manner.
1.3 EQUIPMENT COMPOSITION
The diverse elements comprising the SW3 are supplied in a chassis suitable for DIN-rail
mounting.
It includes a serial maintenance interface (DCE mode), 2 Gigabit Ethernet SFP front bays,
and up to 8 front Fast Ethernet ports, electrical (RJ-45) and optical (MT-RJ or, upon
request, LC or ST).
The power supply may be isolated DC or multirange (V
DC
and V
AC
).
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