Cisco ASR 9000 Series - Page 57

PurposeCommand or Action
the mappings in an Auto-RP discovery message to the
well-known group CISCO-RP-DISCOVERY (224.0.1.40).
auto-rp mapping-agent
GigabitEthernet0/1/0/1 scope 20
•
A PIM DR listens to this well-known group to determine which
RP to use.
•
This example limits Auto-RP discovery messages to 20 hops.
Exits PIM configuration mode and returns the router to the source
configuration mode.
exit
Example:
RP/0/RSP0/CPU0:router(config-pim-ipv4)#
Step 5
exit
(Optional) Defines the RP access list.
ipv4 access-list name
Example:
RP/0/RSP0/CPU0:router(config)# ipv4
Step 6
access-list 2
(Optional) Permits multicast group 239.1.1.1 for the RP access list.
[sequence-number] permit source
[source-wildcard]
Step 7
The commands in Step 6, on page 57 and Step 7, on page
57 can be combined in one command string and entered from
the global or XR config mode like this: ipv4 access-list
rp-access permit 239.1.1.1 0.0.0.0
Tip
Example:
RP/0/RSP0/CPU0:router(config-ipv4-acl)#
permit 239.1.1.1 0.0.0.0
commit
Step 8
Configuring the Bootstrap Router
This task configures one or more candidate bootstrap routers (BSRs) and a BSR mapping agent. This task
also connects and locates the candidate BSRs in the backbone portion of the network.
For more information about BSR, see the PIM Bootstrap Router, on page 16.
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 5.1.x
57
Implementing Layer-3 Multicast Routing on Cisco IOS XR Software
Configuring the Bootstrap Router