3com 8807 User Guide

For detailed information of crp-policy, refer to the 3Com Switch 8800 Family 
Series Routing Switches Command Manual

Refer to “Clearing PIM Routing Table Entries” “Clearing PIM Routing Table 
Entries”.

Refer to “Clearing PIM Neighbors” “Clearing PIM Neighbors”.

After the above configuration, execute the display command in any view to 
display the running of PIM-SM configuration, and to verify the effect of the 
configuration.

Execute the debugging command in user view for the debugging of PIM-SM.

In actual network, we assume that the switches can intercommunicate and the IP 
address of each interface has been configured.

■

LSA is connected to LSB through VLAN-interface10, connected to HostA 
through VLAN-interface11 and connected to LSC through VLAN-interface12.

■

LSB is connected to LSA through VLAN-interface10, connected to LSC through 
VLAN-interface11 and connected to LSD through VLAN-interface12.

■

LSC is connected to HostB through VLAN-interface10, connected to LSB 
through VLAN-interface11 and connected to LSA through VLAN-interface12.

Suppose that Host A is the receiver of the multicast group at 225.1.1.1. Host B 
begins transmitting data destined to 225.1.1.1. LSA receives the multicast data 
from Host B via LSB.

Table 463   Limit the range of legal C-RP

Set the limit legal C-RP range 

crp-policy acl-number 

Restore to the default setting 

Table 464   Display and debug PIM-SM

Display the BSR 
information 

display pim bsr-info 

Display the RP information  display pim rp-info [ group-address ] 

Enable the PIM-SM 
debugging 

debugging pim sm { all | mbr { alert | fresh } | verbose | mrt | 
msdp | timer { assert | bsr | crpadv | jp | jpdelay | mrt | probe | 
spt } | warning | { recv | send } { assert | bootstrap | crpadv | jp 
| reg | regstop } 

Disable the PIM-SM 
debugging 

undo debugging pim sm { all | mbr { alert | fresh } | verbose | 
mrt | msdp | timer { assert | bsr | crpadv | jp | jpdelay | mrt | 
probe | spt } | warning | { recv | send } { assert | bootstrap | 
crpadv | jp | reg | regstop }