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Cisco Bug: CSCup66750 - BGP routes not advertised after "default address-family ipv4/6 unicast"

Last Modified

Feb 12, 2018

Products (5)

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

Known Affected Releases


Description (partial)

Nexus 7k running with version 6.1.5 and 6.2.8 stops advertising the routes to neighboring peer as soon "default address-family ipv4/6 unicast" is issued under the neighbor statement.

router bgp xxxx
csw06d.lla1(config-router)# neighbor
csw06d.lla1(config-router-neighbor)# default address-family ipv6 unicast 
csw06d.lla1(config-router-neighbor)# default address-family ipv4 unicast 


Happens only when "default address-family ipv6 unicast" is issued under the neighbor statement for BGP.
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