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Cisco Bug: CSCuq82202 - WLC hung - No free Mbufs (ARP Fllod) available

Last Modified

May 07, 2018

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

7.6(120.0)

Description (partial)

Symptom:
No free Mbufs,  WiSM shows oper-up but unable to ping

Conditions:
(WiSM-slot2-1) >show memory mbuf summary 

Maximum number of Mbufs.......................... 4608
Number of Mbufs Free............................. 0
Number of Mbufs In Use........................... 4608


#SYSTEM-3-MBUF_ALLOC_FAIL: sysapi_if_net.c:606 Cannot allocate new Mbuf.Internal system error.
#SYSTEM-3-MBUFF_ALL_USED: sysapi_if_net.c:227 No free Mbufs available. Shared memory allocation failed. Internal system error.
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