3Com S7902E, Configuration Manual

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Enabling RSTP on the ONU can suppress such a problem.
Network diagram
Figure 3-2
Network diagram for ONU RSTP configuration
Configuration procedure
# Enable RSTP on the ONU to suppress the broadcast storm between UNI 2 and UNI 3.
<Sysname> system-view
[Sysname] interface onu 3/0/1:1
[Sysname-Onu3/0/1:1] onu-protocol stp enable
Multicast Configuration Example (in IGMP Snooping Mode)
Network requirements
Connect Ethernet 2/0/1 of the switch with a multicast source, and connect port OLT 3/0/1 of the
OLT with an ONU, which is bound to ONU 3/0/1:1, through an optical splitter. Attach two hosts,
User 1 and User 2, to ports UNI 1 and UNI 2 respectively.
It is required that User 1 has access to channels from 225.1.2.1 to 225.1.2.255, and User 2 has
access to channels from 225.1.3.1 to 225.1.3.255.
Network diagram
Figure 3-3
Network diagram for multicast configuration (in IGMP snooping mode)
ONU
OLT
OLT3/0/1
POS
User1
UNI1 UNI2
User2
Eth2/0/1
Multicast Source
Configuration procedure
# Map the multicast addresses to multicast VLANs.
<Sysname> system-view
[Sysname] ftth