Qtech QSW-8200-28T-AC — настройка IGMP Snooping и управление мультикастом в сети [20/39]

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User Manual

Chapter 1. IPv4 Multicast Protocol 20

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 Example:

 Switch(config)#ip igmp snooping vlan 1 static-group 224.1.1.1 source 192.168.1.1

interface ethernet 1/0/1

1.2.22 ip igmp snooping vlan suppression-query-time

 Command: ip igmp snooping vlan <vlan-id> suppression-query-time <value>

 no ip igmp snooping vlan <vlan-id> suppression-query-time

 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: VLAN ID, ranging between <1-4094>

 value: ranging between<1-65535> seconds

 Command Mode: Global mode

 Default: 255s

 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

1.2.23 show ip igmp snooping

 Command: show ip igmp snooping [vlan <vlan-id>]

 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:

 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

 --------------------------------

Displayed Information

Explanation

Global igmp snooping status

Whether the global igmp snooping switch on the

switch is on