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Monitoring BSR Information for IPv6
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 ipv6 pim bsr This PIM router is a Candidate BSR. Configured on intf ATM3/0.101, address: ::107:9 hashMaskLen 30, priority 2, period 60 seconds. Elected BSR is this router, next BSM in 3 seconds. Local candidate RP mapping(s): Candidate RP ::107:9 ::108:86, BSR, hold-time 150, interval 60, priority 192 ::108:87, BSR, hold-time 150, interval 60, priority 192, from access-list acl ::108:88, 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 ipv6 pim bsr This PIM router is a Candidate BSR. Configured on intf ATM3/0.100, address: ::107:9 hashMaskLen 30, priority 2, period 60 seconds. Elected BSR is ::107:8 (priority 0), expires in 73 seconds.
To display information on a router that is not a candidate BSR:
host1:1#show ipv6 pim bsr This PIM router is not a Candidate BSR. Elected BSR is ::107:9 (priority 0), expires in 73 seconds.
Meaning
Table 80 lists the show ipv6 pim bsr command output fields.
Table 80: show ipv6 pim bsr Output Fields
Field Name | Field Description |
|---|---|
Candidacy | Whether or not 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 |
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 |
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 |
