Symptom
before the switchover
interface Port-channel1
ip address 14.2.71.10 255.255.255.252
ip pim sparse-dense-mode
ip igmp version 3
ipv6 address 2001::/127
ipv6 enable
ipv6 nd ra suppress
no ipv6 redirects
no ipv6 unreachables
ipv6 router isis ISIS
mpls ip
isis circuit-type level-1
isis network point-to-point
isis metric 160 level-1
isis ipv6 metric 160 level-1
end
After switchover
interface Port-channel1
ip address 14.2.71.10 255.255.255.252
ip pim sparse-dense-mode
ip igmp version 3
ipv6 address 2001::/127
ipv6 enable
ipv6 nd ra suppress
no ipv6 redirects
no ipv6 unreachables
- - - - - - - - - -
mpls ip
isis circuit-type level-1
isis network point-to-point
isis metric 160 level-1
- - - - - - - - - -
end
Conditions
ISIS neighbors are up and working
Workaround
manually enter the missing configurations.
Further Problem Description
the router is running 16.10.1g software image
This issue has been reproduced in the lab
