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HW: C9400-SUP-1XL SW: 17.3.4 Symptom: - Memory leak issue on 'PIM register asy'. - Multicast traffic down.
Issue happens on C9400 but not C9300. Inactive count keep increasing on C9407R when issue ‘clear ip pim rp’. Reproduction-steps: 1. enable PIM on the switch. 2. configure BSR and rp on the switch. 3. Create much loopback interface and issue ‘clear ip pim rp’ to reset RP mapping. After issue about 80 times ‘clear ip pim rp’, we could see that inactive count hold more than 8000. Also the ‘PIM register asy’ process hold the memory. Switch# show processes memory sort | inc PIM PID TTY Allocated Freed Holding Getbufs Retbufs Process 238 0 1101823920 932196624 114910240 655732 0 PIM register asy Switch#show idb all Maximum number of Software IDBs 131072. In use 8227. Maximum number of Micro Software IDBs 49152. In use 0. HWIDBs SWIDBs uHWIDBs uSWIDBs Active 140 140 0 0 Inactive 8087 8087 0 0 <<<<<<< Dirty 8080 0 0 0 Total IDBs 8227 8227 0 0 Size each (bytes) 4992 1952 3896 616 Total bytes 41069184 16059104 0 0
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