Configuration Guide User guide

1478 FastIron Configuration Guide
53-1002494-02
IGMP snooping show commands
Displaying IGMP snooping errors
To display information about possible IGMP errors, enter the show ip multicast error command.
Brocade# show ip multicast error
snoop SW processed pkt: 173, up-time 160 sec
Syntax: show ip multicast error
The following table describes the output from the show ip multicast error command.
Displaying IGMP group information
To display information about IGMP groups, enter the show ip multicast group command.
In this example, an IGMP V2 group is in EXCLUDE mode with a source of 0. The group only excludes
traffic from the 0 (zero) source list, which actually means that all traffic sources are included.
To display detailed IGMP group information for a specific group, enter the show ip multicast group
detail command.
Other Qr How long it took a switch with a lower IP address to become a new querier. This value is 2 x
Query + Max Resp.
cfg The IGMP version for the specified VLAN. In this example, VL10: cfg V3 indicates that VLAN 10 is
configured for IGMP V3.
vlan cfg The IGMP configuration mode, which is either passive or active.
pimsm Indicates that PIM SM is enabled on the VLAN.
rtr port The router ports, which are the ports receiving queries.
Field Discription
SW processed pkt The number of multicast packets processed by IGMP snooping.
up-time The time since the IGMP snooping is enabled.
Field Description
Brocade# show ip multicast group
p-:physical, ST:static, QR:querier, EX:exclude, IN:include, Y:yes, N:no
VL70 : 3 groups, 4 group-port, tracking_enabled
group p-port ST QR life mode source
1 224.1.1.2 1/33 no yes 120 EX 0
2 224.1.1.1 1/33 no yes 120 EX 0
3 226.1.1.1 1/35 yes yes 100 EX 0
4 226.1.1.1 1/33 yes yes 100 EX 0