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760 | PIM Sparse-Mode
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Configure the expiry time for a particular (S,G) entry:
Figure 34-4. Configuring an (S,G) Expiry Time
Display the expiry time configuration using the show running-configuration [acl | pim] command from
EXEC Privilege mode.
Configure a Static Rendezvous Point
The rendezvous point is a PIM-enabled interface on a router that acts as the root a group-specific tree;
every group must have an RP.
Identify an RP by the IP address of a PIM-enabled or loopback interface using the command
ip pim
rp-address
, as shown in Figure 34-5.
Step Task Command Syntax Command Mode
1 Create an Extended ACL ip access-list extended access-list-name CONFIGURATION
2 Specify the source and group
to which the timer will be
applied using extended ACLs
with permit rules only.
[seq sequence-number] permit ip
source-address/mask | any | host
source-address} {destination-address/mask |
any | host destination-address}
CONFIG-EXT-NACL
3 Set the expiry time for a
specific (S,G) entry
(
Figure 34-4).
Range 211-86400 seconds
Default: 210
ip pim sparse-mode sg-expiry-timer seconds
sg-list access-list-name
CONFIGURATION
Note: The expiry time configuration is nullified, and the default global expiry time is used if:
• an ACL is specified for an in the ip pim sparse-mode sg-expiry-timer command, but the ACL has not been
created or is a standard ACL.
• if the expiry time is specified for an (S,G) entry in a deny rule.
FTOS(conf)#ip access-list extended SGtimer
FTOS(config-ext-nacl)#permit ip 10.1.2.3/24 225.1.1.0/24
FTOS(config-ext-nacl)#permit ip any 232.1.1.0/24
FTOS(config-ext-nacl)#permit ip 100.1.1.0/16 any
FTOS(config-ext-nacl)#show conf
!
ip access-list extended SGtimer
seq 5 permit ip 10.1.2.0/24 225.1.1.0/24
seq 10 permit ip any 232.1.1.0/24
seq 15 permit ip 100.1.0.0/16 any
FTOS(config-ext-nacl)#exit
FTOS(conf)#ip pim sparse-mode sg-expiry-timer 1800 sg-list SGtimer