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Cisco Bug: CSCuq27367 - IPP TMM refCntMemErr errors when enabling ip pim on 4500 switches

Last Modified

Jun 15, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(1)E

Description (partial)

Symptom:
The following errors may be seen on a cat4500 switch.

C4K_SWITCHINGENGINEMAN-4-IPPTMMINTERRUPTREFCNTMEMERR: IPP TMM refCntMemErr
interrupt.

There are also incrementing XppTmmRefCntMemErr errors.

------------------ show platform hardware interrupts ------------------
IPP TMM
XppTmmRefCntMemErr: 6

Conditions:
This issue is generally seen when SPAN or PIM is enabled on vlans which are mapped to many physical interfaces.

If the XppTmmRefCntMemErr error count reaches 100, the supervisor will crash.

Related Community Discussions

<key>CSCuq27367</key> - IPP TMM refCntMemErr errors when enabling ip pim on 4500 switches
In addition to &quot;Workaround:  Reduce the number of interfaces receiving replicated packets&quot;, there are other solutions for this BUG? Because I just encountered the problem on the switch 4503-E with release IOS XE 3.8.7E and ROMMON IOS 15.0(1r)SG10. On this document https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/52sg/system/messages/sysmess/emsg.html#wp1981495 the recommended action: if this message is a fatal error contact Cisco TAC, otherwise no further actions are necessary. ...
Latest activity: Nov 16, 2018
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