H3c-technologies H3C S3100V2 Series Switches Manual de usuario descargar pdf (Pagina 35)

• Determine the source IP address for the IGMP reports sent by the proxy

• Determine the source IP address for the IGMP leave messages sent by the proxy

Enabling IGMP snooping proxying

The IGMP snooping proxying function works on a per-VLAN basis. After you enable the function in a

VLAN, the device works as the IGMP snooping proxy for the downstream hosts and upstream router in

the VLAN.

Follow these steps to enable IGMP snooping proxying in a VLAN:

To do... Use the command... Remarks

Enter system view system-view —

Enter VLAN view vlan vlan-id —

Enable IGMP snooping proxying

in the VLAN

igmp-snooping proxying enable

Required

Disabled by default.

Configuring a source IP address for the IGMP messages sent by

the proxy

You can set the source IP addresses in the IGMP reports and leave messages sent by the IGMP snooping

proxy on behalf of its attached hosts.

Follow these steps to configure the source IP addresses for the IGMP messages sent by the IGMP

snooping proxy on behalf of its attached hosts in a VLAN:

To do... Use the command... Remarks

Enter system view system-view —

Enter VLAN view vlan vlan-id —

Configure a source IP address

for the IGMP reports sent by the

proxy

igmp-snooping report source-ip

{ ip-address | current-interface }

Required

The default is 0.0.0.0.

Configure a source IP address

for the IGMP leave messages

sent by the proxy

igmp-snooping leave source-ip

{ ip-address | current-interface }

The default is 0.0.0.0.

Configuring an IGMP snooping policy

Configuration prerequisites

Before you configure an IGMP snooping policy, complete the following tasks:

• Enable IGMP snooping in the VLAN

• Determine the ACL rules for multicast group filtering

• Determine the maximum number of multicast groups that can pass the ports

• Determine the 802.1p precedence for IGMP messages

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H3c-technologies H3C S3100V2 Series Switches Manual de usuario Pagina 35

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