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Cisco Bug: CSCtf30682 - delete SVI w/ GLBP configured causes /32 null route to VIP

Last Modified

Feb 01, 2017

Products (12)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco MDS 9124 Multilayer Fabric Switch
  • Cisco MDS 9216i Multilayer Fabric Switch
  • Cisco MDS 9222i Multiservice Modular Switch
  • Cisco MDS 9509 Multilayer Director
  • Cisco MDS 9134 Multilayer Fabric Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco MDS 9506 Multilayer Director
  • Cisco MDS 9124e 4G FC HP Blade Switch
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Known Affected Releases


Description (partial)

If an SVI with GLBP is deleted without first removing GLBP from SVI the uRIB will then show a /32 null route to the VIP

nexus-4.2.3(config)# sh ip route
IP Route Table for VRF "default"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric], ubest/mbest: 1/0
    *via, (null), [0/0], 00:00:12, glbp


SVI must have GLBP VIP configured. SVI must be up and in the uRIB. SVI must be deleted without first removing GLBP config.
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