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Configuring Common Multicast 173
By default, multicast routing is disabled.
Only when multicast is enabled can another multicast configuration be used.
Configuring the Multicast Route Limit
If the existing route entries exceed the capacity value you configured when using
this command, the system will not delete the existing entries, but displays the
message, “Existing route entries exceed the configured capacity value”.
Perform the following configuration in system view.
By default, the multicast route-limit is 256.
Clearing MFC Forwarding Entries or Statistic Information
You can clear the multicast forwarding cache (MFC) forward entries or statistical
information of FMC forward entries using the reset multicast forwarding-table
command.
Perform the following configuration in user view.
Clearing Route Entries From the Core Multicast Routing Table
You can clear route entries from the core multicast routing table, as well as MFC
forwarding entries using the reset multicast routing-table command.
Perform the following configuration in user view.
Disable multicast undo multicast routing-enable
Table 4 Configure the Multicast Route Limit
Operation Command
Configure multicast route limit multicast route-limit limit
Restore multicast route limit to the
default value
undo multicast route-limit
Table 5 Clear MFC Forwarding Entries or Statistic Information
Operation Command
Clear MFC forwarding entries
or its statistic information
reset multicast forwarding-table [ statistics ] { all | {
group-address [ mask { group-mask | group-mask-length } ] |
source-address [ mask { source-mask | source-mask-length } ] |
incoming-interface interface-type interface-number } * }
Table 6 Clear Routing Entries of Multicast Routing Table
Operation Command
Clear routing entries of multicast routing table reset multicast routing-table { all | {
group-address [ mask { group-mask |
group-mask-length } ] | source-address [ mask
{ source-mask | source-mask-length } ] | {
incoming-interface interface-type
interface-number } } * }
Table 3 Enabling Multicast
Operation Command