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Cisco Bug: CSCus62432 - RP not treating itself as rp for remote source traffic.

Last Modified

Feb 11, 2018

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)

If the RP is rebooted, it's discarding PIM register messages from itself and the other PE:

2015 Jan 20 14:13:30.092655 pim: [8115] (default-base) Received Register from for (, 
2015 Jan 20 14:13:30.092702 pim: [8115] (default-base) We are not RP for group, message discarded

RP router reboot 
Customer has an interface configured with a primary AND secondary IP address, and the secondary address is used as the address called in the "ip pim rp-address" command.

There is a bug in the code that if the secondary address is configured AFTER the rp info is created by PIM, PIM does not identify itself as the RP.

It is possible during bootup that before IP component had a chance to configure the secondary address, PIM process reads the static RP configuration and then it receives the secondary address addition message and hence the bug.
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