Users Guide

Next Cand_RP_advertisement in 00:00:09
RP: 10.1.2.8(loopback10)
To view RP-mapping details:
OS10# show ip pim rp mapping
Group(s) : 225.1.1.0/24
RP : 10.1.2.8, v2
Info source: 10.1.1.8, via bootstrap, priority 23
expires: 00:01:04
Configure designated router priority
Multiple PIM-SM routers can connect to a single local area network (LAN) segment. One of these routers is elected as the designated
router (DR).
The DR is elected using hello messages. Each PIM router learns about its neighbors by periodically sending a hello message from each
PIM-enabled interface. Hello messages contain the interface IP address from where it is sent and a DR priority value. The router with the
highest priority value becomes the DR. If the priority value is the same for two routers, the router with the highest IP address is the DR.
By default, the DR priority value is 1, so the IP address determines the DR.
To configure DR priority, use the following command:
OS10# configure terminal
OS10(config)# interface vlan 100
OS10(conf-if-vl-100)# ip pim dr-priority 200
PIM commands
clear ip pim tib
Clears PIM tree information from the PIM database.
Syntax
clear ip pim [vrf vrf-name] tib
Parameters vrf vrf-name—Enter the keyword vrf, then the name of the VRF.
Default None
Command Mode EXEC PRIVILEGE
Usage Information
When you run this command on a node, it deletes:
• All the multicast routes from the PIM tree information base (TIB)
• The entire multicast route table and all the entries in the data plane
With VLT multicast routing, when you run this command on a local VLT node, it deletes:
• All the multicast routes from the local PIM TIB
• All the local mroute entries in the data plane
• The synchronized mroute entries from the VLT peer node
Example
OS10# clear ip pim vrf vrf1 tib
Supported
Releases
10.4.3.0 or later
ip multicast-routing
Enables IP multicast forwarding.
Syntax
ip multicast-routing [vrf vrf-name]
Parameters vrf vrf-name—Enter the keyword vrf, then the name of the VRF.
726 Multicast