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Monitoring BSR Information for IPv4
Purpose
Display BSR information and the group prefixes for which the local router is a candidate RP in a PIM sparse mode environment.
Action
To display information on a router that is the elected BSR:
host1:1#show ip pim bsr
This PIM router is a Candidate BSR. Configured on intf ATM3/0.101, address: 101.0.0.1 hashMaskLen 30, priority 2, period 60 seconds. Elected BSR is this router, next BSM in 3 seconds.
Local candidate RP mapping(s): Candidate RP 101.0.0.1 224.0.0.0/4, BSR, hold-time 150, interval 60, priority 192 228.0.0.0/24, BSR, hold-time 150, interval 60, priority 192, from access-list acl 230.0.0.0/24, BSR, hold-time 150, interval 60, priority 192, from access-list acl
To display information on a router that is a candidate BSR:
host1:1#show ip pim bsr This PIM router is a Candidate BSR. Configured on intf ATM3/0.100, address: 100.0.0.1 hashMaskLen 30, priority 2, period 60 seconds. Elected BSR is 101.0.0.1 (priority 0), expires in 73 seconds.
To display information on a router that is not a candidate BSR:
host1:1#show ip pim bsr This PIM router is not a Candidate BSR. Elected BSR is 101.0.0.1 (priority 0), expires in 73 seconds.
Meaning
Table 31 lists the show ip pim bsr command output fields.
Table 31: show ip pim bsr Output Fields
Field Name | Field Description |
|---|---|
Candidacy | Whether the router is a candidate BSR |
Configured on | Interface on which the router is configured |
address | Address of the router |
hashMaskLen | Hash mask length |
priority | Priority of the router |
period | Time between bootstrap messages, in seconds |
Elected BSR | This router or IP address of the elected bootstrap router |
next BSM | If BSR is this router, time until the next bootstrap message is sent, in seconds |
expires in | If BSR is not this router, time until the elected BSR expires if no bootstrap messages are received |
Local candidate RP mapping(s) | Routers that the mapping agent is evaluating to determine an RP router for this interface |
