Specifying The Igmp Snooping Version - HP MSR2003 Configuration Manual

Step
2. Enable IGMP snooping
globally and enter
IGMP-snooping view.
3. Enable IGMP snooping for
specified VLANs.
To enable IGMP snooping for a VLAN in VLAN view:
Step
4. Enter system view.
5. Enable
globally
IGMP-snooping view.
6. Return to system view.
7. Enter VLAN view.
8. Enable IGMP snooping for the
VLAN.

Specifying the IGMP snooping version

Different versions of IGMP snooping processes different versions of IGMP messages.
IGMPv2 snooping processes IGMPv1 and IGMPv2 messages, but it floods IGMPv3 messages in
•
the VLAN instead of processing them.
IGMPv3 snooping processes IGMPv1, IGMPv2, and IGMPv3 messages.
•
If you change IGMPv3 snooping to IGMPv2 snooping, the device does the following:
Clears all IGMP snooping forwarding entries that are dynamically added.
•
• Keeps static IGMPv3 snooping forwarding entries (*, G).
Clears static IGMPv3 snooping forwarding entries (S, G), which will be restored when IGMP
•
snooping is switched back to IGMPv3 snooping.
For more information about static IGMP snooping forwarding entries, see
You can specify the IGMP snooping version for a VLAN in IGMP-snooping view or in VLAN view. These
configurations have the same priority level.
To specify the IGMP snooping version for a VLAN in IGMP-snooping view:
Step
9.
10. Enable IGMP snooping globally
and enter IGMP-snooping view.
11. Specify the IGMP snooping
version for the specified VLANs
Command
igmp-snooping
enable vlan vlan-list
Command
system-view
IGMP snooping
and enter
igmp-snooping
quit
vlan vlan-id
igmp-snooping enable
Command
Enter system view.
system-view
igmp-snooping
version version-number vlan
vlan-list
Remarks
By default, IGMP snooping is disabled.
By default, IGMP snooping is disabled for a
VLAN.
18
Remarks
N/A
By default, IGMP snooping is
disabled.
N/A
N/A
By default, IGMP snooping is
disabled for a VLAN.
"Configuring static
Remarks
N/A
N/A
The default setting is IGMPv2
snooping.
ports."