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Cisco Bug: CSCur14957 - N3K: Optimize IGMP JOIN/LEAVE delays on SVI

Last Modified

Sep 11, 2019

Products (5)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch

Known Affected Releases


Description (partial)

High IGMP JOIN/LEAVE delays of the order of 100s of msec to seconds.

With IGMP join/leave on SVI and high number of JOIN/LEAVE requests, the time taken for JOIN/LEAVE to take effect and multicast traffic to flow or stop flowing is of the order of 100s of milli seconds to sometimes a few seconds.
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