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Cisco Bug: CSCuj00709 - SVI not coming up after removed from Peer-link when Peer link is down.

Last Modified

Oct 12, 2018

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

5.2(1)N1(5)

Description (partial)

Symptom:
An SVI might remain in a down/down status even though there are active spanning-tree forwarding ports.

Conditions:
The conditions are very specific:

- VPC needs to be configured;
- The SVI must be used for the peer-keepalive;
- The vlan of the SVI needs to be allowed on the Peer-Link;
- A Reload needs to occur;
- VPC will not form due to keepalive allowed through Peer-Link (This is expected as VPC Keep-alive cannot cross any VPC infrastructure such as a Peer-Link);
- The respective vlan is removed from the Peer-link and VPC;
- The vlan will still be down.
- The output of 
   show system internal interface-vlan info vlan X | i error
  shows
 "error=0x41b7002a"
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Bug Details Include

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