C
HAPTER
21
| Multicast Routing
Configuring PIM for IPv4
– 562 –
◆ Priority – Priority value used by this BSR candidate.
◆ Hash Mask Length – The number of significant bits used in the
multicast group comparison mask by this BSR candidate.
◆ Expire – The time before the BSR is declared down.
◆ Role – Candidate or non-candidate BSR.
â—† State
7
– Operation state of BSR includes:
â–
No information – No information is stored for this device.
â–
Accept Any – The router does not know of an active BSR, and will
accept the first bootstrap message it sees as giving the new BSR's
identity and the RP-set.
â–
Accept Preferred – The router knows the identity of the current
BSR, and is using the RP-set provided by that BSR. Only bootstrap
messages from that BSR or from a C-BSR with higher weight than
the current BSR will be accepted.
â–
Candidate BSR – Bidding in election process.
â–
Pending-BSR – The router is a candidate to be the BSR for the RP-
set. Currently, no other router is the preferred BSR, but this router
is not yet the elected BSR.
â–
Elected BSR – Elected to serve as BSR.
WEB INTERFACE
To display information about the BSR:
1. Click Multicast, Multicast Routing, SM.
2. Select Show Information from the Step list.
3. Select Show BSR Router from the Action list.
7. These parameters are based on RFC 5059.