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Cisco Bug: CSCul35806 - Invalid PIM register src on vpc, remote rp

Last Modified

Aug 28, 2020

Products (1)

  • Cisco Nexus 6000 Series Switches

Known Affected Releases

6.0(2)N3(0.337)

Description (partial) 

Symptom:
Invalid PIM register on L2 Vinci multicast setup due to which leaf to leaf multicast traffic which is behind a vPC complex in a vinci topology is not going through.

Conditions:
This issue is seen on vinci multicast setup with leaf having vPC complex.
<pre>
            VNI 4910 vrf V3
              N96i ----------
              |  -----       \
              |       \       \
              |        \       \
            N96     N64T1 =mct= N64T2
       1.1.1.13     1.1.1.11    1.1.1.12
     RP 3.3.3.3
</pre>

Steps to reproduce 
==================
1.	With traffic running
2.	Move to 326 using DCNM POAP
3.	Send GARP upon switch bootup
4.	Traffic not going through

Also Able To Reproduce by
-    Reload Both N64 vpc leaf
-    Reload Primary N64
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