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DES-7200 Configuration Guide Chapter 6 PIM-SM
Configuration
6-13
6.3.30 Configuring the Particular Multicast Source
Configuring a particular multicast source enables you directly receive multicast
data packets from the source without following the RP tree. To configure a
particular source multicast, run the following command.
Command Function
DES-7200(config）# ip pim ssm {default
|range access-list]}
Configuring a particular multicast source.
DES-7200(config）# no ip pim ssm Remove the configuration.
6.3.31 Monitoring and Maintaining PIM-SM
6.3.31.1 Showing the Status of PIM-SM
Command Function
DES-7200 # show debugging
Show the status of the debugging switch
DES-7200 # show ip pim interface
[ interface-type interface-number ] [ detail ]
Show the PIM-SM information of the
interface.
DES-7200 # show ip pim neighbor
[ interface-type interface-number ]
Show the PIM neighbor information.
DES-7200 # show ip sparse-mode
mroute
Show the multicast routing table
information of PIM-SM
DES-7200 # show ip pim sparse-mode
bsr-router
Use this command to show the detailed
information of BSR.
DES-7200 # show ip pim sparse-mode
rp-hash
group-address
Use this command to show the RP
information selected.
DES-7200 # show ip pim sparse-mode
rp mapping
Show the group-RP mapping information
and RP settings
DES-7200 # show ip sparse-mode
nexthop
Show the next hop of PIM-SM from NSM.
DES-7200 # show memory pim
sparse-mode
Show the memory statistics information
of PIM-SM background program
6.3.31.2 Clearing the PIM-SM Information
The following commands are available to clear the PIM-SM information:
Command Function
DES-7200# clear ip mroute {* |
group_address [source_address] }
Clear multicast route entries.
DES-7200# clear ip mroute statistics {* |
group_address [source_address] }
Clear the statistics of multicast route
entries.
DES-7200 #clear ip pim sparse-mode
bsr rp-set *
Clear RP-SET.
6.4 PIM-SM Configuration Example
Configuration Requirements
The network topology is shown in Figure 36-7. Device 1 and the multicast source
locate in the same network, device 2 and receiver A locate in the same network.