19 show ip igmp snooping – PLANET WGSW-50040 User Manual

Page 297

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Commands for Security Function Chapter 6 Commands for TACACS+

Usage Guide:

This command can only be configured on L2 general querier. The Suppression-query-time refers to

the period of suppression state in which the querier enters when receives query from the layer 3

IGMP in the segments.

Example

Switch(config)#ip igmp snooping vlan 2 suppression-query-time 270

18.2.19 show ip igmp snooping

Command:

show ip igmp snooping [vlan <vlan-id>]

Function:

Configure the suppression query time. The “no ip igmp snooping vlan <vlan-id>

suppression-query-time” command restores to the default value.

Parameter:

<vlan-id> is the VLAN number specified for displaying IGMP Snooping messages.

Command Mode:

Admin Mode

Usage Guide:

If no VLAN number is specified, it will show whether global IGMP Snooping switch is on, which

VLAN is configured with l2-general-querier function, and if a VLAN number is specified, detailed

IGMP messages for this VLAN will be shown.

Example

1. Show IGMP Snooping summary messages of the switch

Switch(config)#show ip igmp snooping

Global igmp snooping status: Enabled

L3 multicasting: running

Igmp snooping is turned on for vlan 1(querier)

Igmp snooping is turned on for vlan 2

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Displayed Information

Explanation

Global igmp snooping status

Whether the global igmp snooping switch on the switch is on

L3 multicasting

whether the layer 3 multicast protocol of the switch is running

Igmp snooping is turned on for vlan

1(querier)

which VLANs on the switch is enabled with igmp snooping

function, whether they are l2-general-querier

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