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Cisco Bug: CSCup30246 - ipv4_mfwd_ma crash seen post RP FO/FB

Last Modified

Jul 21, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.3.0.MCAST 5.2.2.BASE

Description (partial)

Symptom:
ipv4_mfwd_ma process crashes following an ifmgr crash

Conditions:
The crash happens due to ipv4_mfwd_ma process running out of memory, due to a memory leak in ipv4_mfwd_ma process. The memory leak is induced due to ifmgr process restarts or crashes (due to any reason). Depending on the scale of interfaces, it can happen with one ifmgr restart (eg: 48K interfaces in this case) or multiple ifmgr restarts (with lower interface scale).
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