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Cisco Bug: CSCul45084 - netstack crash when do show ip int brief include-secondary

Last Modified

Mar 06, 2018

Products (7)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

5.2(3a) 6.2(2) 6.2(5)BF(0.58)

Description (partial)

Symptom:Executing 'show ip int brief include-secondary'  might crash the Netstack service or make Netstack unstable.
 'show ip int brief ' has no issues.
or show ip interface bried include-secondary vrf <vrf-name> when 'ip forward' is enabled on an interface.

Conditions:This symptom might been seen when using 'ip unnumbered' interfaces, such as  Multicast Tunnel Interfaces.
This is also seen when we have 'ip forward' configuration on the interface.
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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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