IGMP Snooping Commands 439Nortel WLAN—Security Switch 2300 Series Command Line ReferencePort Querier-IP Querier-MAC TTL---- --------------- ----------------- ------------------1 193.122.135.178 00:0b:cc:d2:e9:b4 23The following command shows the information WSS Software displays when the querier is the WSS itself:WSS# show igmp querier vlan defaultQuerier for vlan default:I am the querier for vlan default, time to next query is 20The output indicates how many seconds remain before the pseudo-querier on the switch broadcasts the next generalquery report to IP address 224.0.0.1, the multicast all-systems group.If IGMP snooping does not detect a querier, the output indicates this finding, as shown in the following example:WSS# show igmp querier vlan redQuerier for vlan red:There is no querier present on vlan redThis condition does not necessarily indicate a problem. For example, election of the querier might be in progress.Table 65 on page 429 describes the fields in the display when a querier other than the WSS is present.See Also set igmp querier on page 421show igmp receiver-tableDisplays the receivers to which a WSS forwards multicast traffic. You can display receivers for all VLANs, a singleVLAN, or a group or groups identified by group address and network mask.Table 3: Output for show igmp querierField DescriptionQuerier for vlan VLAN containing the querier. Information is listed separately foreach VLAN.Querier-IP IP address of the querier interface.Querier-MAC MAC address of the querier interface.TTL Number of seconds before this entry ages out if the WSS doesnot receive a query message from the querier.
