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To display PIM neighbors for each interface, use the show ip pim neighbor command EXEC Privilege
mode.
Dell#show ip pim neighbor
Neighbor Interface Uptime/Expires Ver DR
Address Prio/Mode
127.87.5.5 Te 0/11 01:44:59/00:01:16 v2 1 / S
127.87.3.5 Te 0/12 01:45:00/00:01:16 v2 1 / DR
127.87.50.5 Te 1/13 00:03:08/00:01:37 v2 1 / S
Dell#
To display the PIM routing table, use the show ip pim tib command from EXEC privilege mode.
Dell#show ip pim tib
PIM Multicast Routing Table
Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned,
R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join SPT,
Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode
(*, 192.1.2.1), uptime 00:29:36, expires 00:03:26, RP 10.87.2.6, flags: SCJ
Incoming interface: TenGigabitEthernet 0/12, RPF neighbor 10.87.3.5
Outgoing interface list:
TenGigabitEthernet 0/11
TenGigabitEthernet 1/13
(10.87.31.5, 192.1.2.1), uptime 00:01:24, expires 00:02:26, flags: FT
Incoming interface: TenGigabitEthernet 1/11, RPF neighbor 0.0.0.0
Outgoing interface list:
TenGigabitEthernet 0/11
TenGigabitEthernet 0/12
TenGigabitEthernet 1/13
--More--
Configuring S,G Expiry Timers
By default, S, G entries expire in 210 seconds. You can configure a global expiry time (for all [S,G] entries)
or configure an expiry time for a particular entry.
If you configure both, the ACL supersedes the global configuration for the specified entries.
When you create, delete, or update an expiry time, the changes are applied when the keep alive timer
refreshes.
To configure a global expiry time or to configure the expiry time for a particular (S,G) entry, use the
following commands.
1. Enable global expiry timer for S, G entries.
CONFIGURATION mode
ip pim sparse-mode sg-expiry-timer seconds
The range is from 211 to 86,400 seconds.
The default is 210.
2. Create an extended ACL.
CONFIGURATION mode
PIM Sparse-Mode (PIM-SM)
667