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Cisco Bug: CSCul98838 - Nexus 7k mbuf leak in PIM

Last Modified

Feb 03, 2017

Products (4)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

5.2(9)

Description (partial)

Symptom:
Nexus 7k leaks mbuf for PIM in 5.2(9). After it runs out of mbufs, any further alloc requests fail with "m_copyback: m_get() fails." syslog. This syslog is printed once, followed by "last message repeated X times". The PIM process hangs & needs to be restarted to recover.

Conditions:
Related to MVPN traffic
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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