Preview Tool

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


Description (partial)

The following errors may be seen on a cat4500 switch.


There are also incrementing XppTmmRefCntMemErr errors.

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

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 the recommended action: if this message is a fatal error contact Cisco TAC, otherwise no further actions are necessary. ...
Latest activity: Nov 16, 2018
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.