Clear Ipmc Cache - Extreme Networks ExtremeWare Command Reference Manual

IP Multicast Commands

clear ipmc cache

clear ipmc cache {<IP multicast group> {<source IP address>/<netmask>}}
Description
Resets the IP multicast cache table.
Syntax Description
IP multicast group
source IP address
netmask
Default
If no options are specified, all IP multicast cache entries are flushed.
Usage Guidelines
This command can be used by network operators to manually remove IP multicast software and
hardware forwarding cache entries instantly. If the source is available, caches will be re-created,
otherwise caches are removed permanently. This command can disrupt the normal forwarding of
multicast traffic.
Example
The following command resets the IP multicast table for group 224.1.2.3:
clear ipmc cache 224.1.2.3
History
This command was available in ExtremeWare 2.0.
This command was added to the Summit "e" series of switches in ExtremeWare 7.2e.
Platform Availability
This command is available on all platforms.
1936
Specifies a group address.
Specifies a source IP address.
Specifies a subnet mask.
ExtremeWare 7.5 Command Reference Guide