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If the specified ACL does not exist or the ACL rule is null, all multicast groups are filtered out.
You can configure different ACL rules for a port in different VLANs. For a given VLAN, a newly
configured ACL rule overrides the existing one.
Related commands: group-policy.
Examples
# Apply ACL 2000 as a multicast group filter so that hosts on Ethernet 1/0/1 in VLAN 2 can join
225.1.1.1 o n ly.
<Sysname> system-view
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 225.1.1.1 0
[Sysname-acl-basic-2000] quit
[Sysname] interface ethernet 1/0/1
[Sysname-Ethernet1/0/1] igmp-snooping group-policy 2000 vlan 2
igmp-snooping host-aging-time
Syntax
igmp-snooping host-aging-time interval
undo igmp-snooping host-aging-time
View
VLAN view
Default level
2: System level
Parameters
interval: Specifies an aging timer in seconds for dynamic member ports. The value ranges from 200 to
1000.
Description
Use igmp-snooping host-aging-time to set the aging timer for dynamic member ports for a VLAN.
Use undo igmp-snooping host-aging-time to restore the default.
By default, the aging time of a dynamic member port is 260 seconds.
This command takes effect only if IGMP snooping is enabled in the VLAN.
Related commands: host-aging-time and igmp-snooping enable.
Examples
# Enable IGMP snooping and set the aging timer for dynamic member ports in VLAN 2 to 300 seconds.
<Sysname> system-view
[Sysname] igmp-snooping
[Sysname-igmp-snooping] quit
[Sysname] vlan 2
[Sysname-vlan2] igmp-snooping enable
[Sysname-vlan2] igmp-snooping host-aging-time 300
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