From: zhou jun (zjxjgo@vip.sina.com)
Date: Thu Apr 24 2003 - 23:37:08 GMT-3
Hello:
please read a config in 3550 config guide:
This example shows how to configure IGMP snooping to use CGMP packets as the learning method:
Switch# configure terminal
Switch(config)# ip igmp snooping vlan 1 mrouter learn cgmp
Switch(config)# end
Switch# show ip igmp snooping vlan 1
vlan 1
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is cgmp on this Vlan
IGMP snooping is running in IGMP_ONLY mode on this Vlan
To return to the default learning method, use the "no ip igmp snooping vlan vlan-id mrouter learn cgmp"
global configuration command.
default igmp snooping learnign method is "pim-dvmrp"
----- Original Message -----
From: "FATHALLAH" <sfathallah@mail.cbi.net.ma>
To: "Ccielab" <ccielab@groupstudy.com>
Sent: Saturday, April 19, 2003 3:36 AM
Subject: multicast cgmp in catalyst 3550
> Hi group.
>
> how we can enable or disable CGMP in the catalyst 3550 when It must or no,
> receive the CGMP multicast from router? is CGMP enable by default.
>
> Thanks
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