User Manual

493
Users Manual of XGS-6350-24X4C
Command Purpose
interface type number
Enters the interface configuration mode.
ip pim neighbor-filter access-list
Filters all pim messages on the stub
router.
Example
The configuration of router A and B is shown as follows:
Stub Router A Configuration
ip multicast-routing
ip pim-dm
ip igmp helper-address 10.0.0.2
Central Router B Configuration
ip multicast-routing
ip pim-dm
ip pim-dm neighbor-filter stubfilter
ip access-list stubfilter
deny 10.0.0.1
50.2.10 Monitoring and Maintaining Multicast Route
50.2.10.1 Clearing the multicast cache and the routing table
If special caches or the routing table is invalid, you need to clear its content. Run the following commands in
management mode:
Command Purpose
clear ip igmp group [type number]
[group-address | <cr>]
Clears the items in the IGMP cache.
clear ip mroute[* | group-address |
source-address]
Clears the items in the multicast routing
table.
50.2.10.2 Displaying the multicast routing table and system statistics information
The detailed information about the IP multicast routing table, cache or database helps to judge how the
resources are used and to resolve network problems.
Run the following commands in management mode to display the statistics information about the multicast
route:
Command Purpose
show ip igmp groups [type
number | group-address] [detail]
Displays the information about the
multicast group in the IGMP cache.
show ip igmp interface [type
number]
Displays the IGMP configuration
information on the interface.