PurposeCommand or Action
Configures another PIM device to be the candidate RP for local groups.
ip pim send-rp-announce interface-id
scope ttl group-list access-list-number
interval seconds
Step 3
•
For interface-id, enter the interface type and number that identifies the
RP address. Valid interfaces include physical ports, port channels, and
VLANs.
Example:
Switch(config)# ip pim
•
For scope ttl, specify the time-to-live value in hops. Enter a hop count
that is high enough so that the RP-announce messages reach all mapping
agents in the network. There is no default setting. The range is 1 to 255.
send-rp-announce gigabitethernet
1/0/5 scope 20 group-list 10
interval 120
•
For group-list access-list-number, enter an IP standard access list number
from 1 to 99. If no access list is configured, the RP is used for all groups.
•
For interval seconds, specify how often the announcement messages
must be sent. The default is 60 seconds. The range is 1 to 16383.
Creates a standard access list, repeating the command as many times as
necessary.
access-list access-list-number {deny |
permit} source [source-wildcard]
Step 4
Example:
Switch(config)# access-list 10
•
For access-list-number, enter the access list number specified in Step 3.
•
The deny keyword denies access if the conditions are matched.
permit 10.10.0.0
•
The permit keyword permits access if the conditions are matched.
•
For source, enter the multicast group address range for which the RP
should be used.
•
(Optional) For source-wildcard, enter the wildcard bits in dotted decimal
notation to be applied to the source. Place ones in the bit positions that
you want to ignore.
Recall that the access list is always terminated by an implicit deny
statement for everything.
Note
Finds a switch whose connectivity is not likely to be interrupted, and assign
it the role of RP-mapping agent.
ip pim send-rp-discovery scope ttl
Example:
Switch(config)# ip pim
Step 5
For scope ttl, specify the time-to-live value in hops to limit the RP discovery
packets. All devices within the hop count from the source device receive the
Auto-RP discovery messages. These messages tell other devices which
send-rp-discovery scope 50
group-to-RP mapping to use to avoid conflicts (such as overlapping
group-to-RP ranges). There is no default setting. The range is 1 to 255.
Returns to privileged EXEC mode.end
Example:
Switch(config)# end
Step 6
Verifies your entries.show running-config
Step 7
Catalyst 2960-XR Switch IP Multicast Routing Configuration Guide, Cisco IOS Release 15.0(2)EX1
OL-29426-01 51
Configuring PIM
Configuring a Rendezvous Point
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