11-09-2022 06:24 AM
I have a link between 3 sites Love lane, Oxhey and Choking. The when the overlay of tunnels are enabled between Oxhey and Love lane they flap when ip pim sparse-dense-mode is enabled for VXlan, BGP is the protocol used for the underlay between the sites
Love Lane
interface GigabitEthernet0/1/0
description "to GNIQPIPT01 ge0/1/0 via Level*"
ip address 185.*.164.17 255.255.255.240
ip pim sparse-dense-mode
ip ospf dead-interval 5
ip ospf hello-interval 1
media-type sfp
negotiation auto
ipv6 address *
ipv6 ospf 1 area 0
ipv6 ospf hello-interval 1
ipv6 ospf dead-interval 5
end
!
interface GigabitEthernet0/1/0.3404
description to NNI VLAN 3404 Oxhey
encapsulation dot1Q 3404
ip address 139.67.103.14 255.255.255.254
ip pim sparse-dense-mode
ipv6 address *
end
Oxhey
Current configuration : 88 bytes
!
interface GigabitEthernet0/0/3
description NNI
no ip address
negotiation auto
!
interface GigabitEthernet0/0/3.3404
description NNI VLAN 3404 Love Lane
encapsulation dot1Q 3404
ip address 139.67.103.15 255.255.255.254
ip pim sparse-dense-mode
ipv6 address *
end
When I do a repeat ping (1000) from Oxhey to Love Lane I get no drops, When I do a ping from Love lane to Oxhey I get an occasional drop
Thanks in Advance
11-09-2022 07:09 AM
Apologies, its the underlay flapping aswell as the tunnels are flapping
11-11-2022 08:14 AM
Hello,
what routers are you using, and which IOS version are they running ? Can you post the full running configs of Oxhey and Love Lane ?
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