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Cisco Bug: CSCut36914 - Mcast S,G routes periodically getting deleted and re-created on N3548.

Last Modified

Aug 30, 2017

Products (2)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3548 Switch

Known Affected Releases

6.0(2)A4(4)

Description (partial)

Symptom:
Periodically we will see entries in the mroute table timeout and restart in agreement with the dead timer, mroutes will show very low uptimes. This can result in intermittent / sporadic multicast drops as the routes timeout and are re-installed

// Uptime of 10s
(26.2.1.13/32, 239.1.1.1/32), uptime: 00:00:10, ip mrib pim 
  Incoming interface: Vlan10, RPF nbr: 10.5.18.2, uptime: 00:00:10
  Outgoing interface list: (count: 1)
    Vlan3, uptime: 00:00:10, mrib

Conditions:
Running multiple features on N3548 (Multicast/OnePK/Openflow) with poor or sporadic performance levels
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