Displaying igmp snooping errors – Brocade TurboIron 24X Series Configuration Guide User Manual

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Brocade TurboIron 24X Series Configuration Guide

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IGMP snooping show commands

To display the IGMP snooping information for a specific VLAN (release 04.1.00 or later), enter a
command such as the following.

Syntax: show ip multicast vlan [<vlan-id>]

If you do not specify a <vlan-id>, information for all VLANs is displayed.

This display shows the following information.

Displaying IGMP snooping errors

To display information about possible IGMP errors, enter the following command.

TurboIron#show ip multicast error

snoop SW processed pkt: 173, up-time 160 sec

Table 0.3:

This field...

Displays...

Version

The global IGMP version. In this example, the device is configured for IGMP version 2.

Query

How often a querier sends a general query on the interface. In this example, the general
queries are sent every 125 seconds.

Group Age

The number of seconds membership goups can be members of this group before aging out.

Max Resp

The maximum number of seconds a client waits before replying to a query.

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.

(type of VLAN
config)

One of the following may be displayed:

VLAN cfg: The IGMP configuration mode, which is either passive or active.

VLAN dft: The default configuration on this VLAN

glb cfg: Theconfiguration is picked up from the global configuration, which means this
VLAN does not have any specific config for pimsm.

pimsm

Indicates that PIM SM is enabled on the VLAN.

rtr port

The router ports, which are the ports receiving queries.

TurboIron#show ip multicast

Summary of all vlans. Please use "sh ip mu vlan vlan-id" for details

Version=2, Intervals: Query=125, Group Age=260, Max Resp=10, Other Qr=260

VL10: cfg V3, vlan cfg passive, , pimsm (vlan cfg), 1 grp, 0 (SG) cache, no rtr

port

TurboIron#show ip multicast vlan 10

Version=3, Intervals: Query=10, Group Age=260, Max Resp=10, Other Qr=30

VL10: cfg V3, vlan cfg passive, , pimsm (vlan cfg), 3 grp, 1 (SG) cache, no rtr

port,

e2 has 3 groups, non-QR (passive), default V3

**** Warning! has V2 client (life=240),

group: 239.0.0.3, life = 240

group: 224.1.1.2, life = 240

group: 224.1.1.1, life = 240

e4 has 0 groups, non-QR (passive), default V3

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