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Configuring Auto-RP to Automate Group-to-RP Mappings
Command or Action
Step 7
[sequence-number] permit source [source-wildcard]
Example:
RP/0/RP0/CPU0:router(config-ipv4-acl)# permit
239.1.1.0 0.0.255.255
Step 8
commit
Configuring Auto-RP to Automate Group-to-RP Mappings
This task configures the Auto-RP mechanism to automate the distribution of group-to-RP mappings in your
network. In a network running Auto-RP, at least one router must operate as an RP candidate and another
router must operate as an RP mapping agent.
SUMMARY STEPS
1. configure
2. router pim [address-family ipv4]
3. auto-rp candidate-rp type instance scope ttl-value [group-list access-list-name] [interval seconds] bidir
4. auto-rp mapping-agent type number scope ttl-value [interval seconds]
5. exit
6. ipv4 access-list name
7. [sequence-number] permit source [source-wildcard]
8. commit
DETAILED STEPS
Command or Action
Step 1
configure
Step 2
router pim [address-family ipv4]
Example:
RP/0/RP0/CPU0:router(config)# router pim
Step 3
auto-rp candidate-rp type instance scope
ttl-value [group-list access-list-name] [interval
seconds] bidir
Cisco IOS XR Multicast Configuration Guide for the Cisco CRS Router, Release 5.2.x
92
Implementing Multicast Routing on Cisco IOS XR Software
Purpose
(Optional) Permits multicast group 239.1.1.0 0.0.255.255 for
the "rp-access" list.
The commands in
Tip
page 92
can be combined in one command string like
this: ipv4 access-list rp-access permit 239.1.1.0
0.0.255.255.
Purpose
Enters PIM configuration mode, or PIM address-family configuration
submode.
Configures an RP candidate that sends messages to the
CISCO-RP-ANNOUNCE multicast group (224.0.1.39).
• This example sends RP announcements out all PIM-enabled
interfaces for a maximum of 31 hops. The IP address by which
Step 6, on page 91
and
Step 7, on
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