Hub/Switch Reference Guide

IGMP Snooping Commands 435
Nortel WLAN—Security Switch 2300 Series Command Line Reference
Multicast router information List of multicast routers and active multicast groups. The fields
containing this information are described separately. The show
igmp mrouter command shows the same information.
Port Number of the physical port through which the WSS can reach
the router.
Mrouter-IPaddr IP address of the multicast router interface.
Mrouter-MAC MAC address of the multicast router interface.
Type How the WSS learned that the port is a multicast router port:
• conf — Static multicast port configured by an
administrator
• madv—Multicast advertisement
• quer—IGMP query
• dvmrp—Distance Vector Multicast Routing
Protocol (DVMRP)
• pimv1—Protocol Independent Multicast (PIM)
version 1
• pimv2—PIM version 2
TTL Number of seconds before this entry ages out if not refreshed.
For static multicast router entries, the time-to-live (TTL) value is
undef. Static multicast router entries do not age out.
Group IP address of a multicast group. The show igmp receiver-table
command shows the same information as these receiver fields.
Port Physical port through which the WSS can reach the group’s
receiver.
Receiver-IP IP address of the client receiving the group.
Receiver-MAC MAC address of the client receiving the group.
TTL Number of seconds before this entry ages out if the WSS does
not receive a group membership message from the receiver. For
static multicast receiver entries, the TTL value is undef. Static
multicast receiver entries do not age out.
Querier information Information about the subnet’s multicast querier. If the querier is
another device, the fields described below are applicable. If the
querier is the WSS itself, the output indicates how many seconds
remain until the next general query message. If IGMP snooping
does not detect a querier, the output indicates this. The show
igmp querier command shows the same information.
Querier for vlan VLAN containing the querier. Information is listed separately for
each VLAN.
Querier-IP IP address of the querier.
Querier-MAC MAC address of the querier.
Table 1: Output for show igmp (continued)
Field Description