3com 8807 参考指南
576
C
HAPTER
31: IGMP S
NOOPING
C
ONFIGURATION
C
OMMANDS
groups. You can configure only one ACL rule for each VLAN, and the new
configured rule will replace the old one.
configured rule will replace the old one.
Use the undo igmp-snooping group-policy command to cancel the
configuration.
configuration.
By default, no filtering rule is set in a VLAN. In this case, a host can join any
multicast group.
multicast group.
Example
# Create ACL2001 and configure the flow rule for basic ACL, using the source IP
address serves as the destination multicast address.
address serves as the destination multicast address.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800]acl number 2001
[3Com-acl-basic-2001]rule 0 permit source 224.1.1.1 0
[3Com-acl-basic-2001]quit
# Create VLAN 2.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800]vlan 2
# Configure the filtering rule of multicast groups in VLAN2.
[3Com-vlan2]igmp-snooping group-policy 2001
# Cancel the filtering rule in VLAN2.
[3Com-vlan2]undo igmp-snooping group-policy
igmp-snooping
host-aging-time
Syntax
igmp-snooping host-aging-time seconds
undo igmp-snooping host-aging-time
View
System view
Parameter
seconds: Port aging time for the multicast group member, ranging from 200 to
1000 seconds. By default, it is 260 seconds.
1000 seconds. By default, it is 260 seconds.
Description
Use the igmp-snooping host-aging-time command to configure the port aging
time of the multicast group members.
time of the multicast group members.
Use the undo igmp-snooping host-aging-time command to restore the default
value.
value.