Monitoring The Rp Mapping Information; Troubleshooting Pimv1 And Pimv2 Interoperability Problems; Configuring Advanced Pim Features; Understanding Pim Shared Tree And Source Tree - Cisco ME 3400 Software Configuration Manual

Ethernet access switch

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Configuring IP Multicast Routing

Monitoring the RP Mapping Information

To monitor the RP mapping information, use these commands in privileged EXEC mode:

When debugging interoperability problems between PIMv1 and PIMv2, check these in the order shown:

By default, members of a group receive data from senders to the group across a single data-distribution

tree rooted at the RP.

delivered to the RP for distribution to group members joined to the shared tree.

show ip pim bsr displays information about the elected BSR.

show ip pim rp-hash group displays the RP that was selected for the specified group.

show ip pim rp [group-name | group-address | mapping] displays how the switch learns of the RP

(through the BSR or the Auto-RP mechanism).

Verify RP mapping with the show ip pim rp-hash privileged EXEC command, making sure that all

systems agree on the same RP for the same group.

Verify interoperability between different versions of DRs and RPs. Make sure the RPs are

interacting with the DRs properly (by responding with register-stops and forwarding decapsulated

data packets from registers).

Understanding PIM Shared Tree and Source Tree, page 42-33

Delaying the Use of PIM Shortest-Path Tree, page 42-35

Modifying the PIM Router-Query Message Interval, page 42-36

shows this type of shared-distribution tree. Data from senders is

Cisco ME 3400 Ethernet Access Switch Software Configuration Guide

Configuring Advanced PIM Features

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