[FROG] trouble to making work BFD in OSPF

Donald Sharp sharpd at cumulusnetworks.com
Tue Nov 28 08:21:33 EST 2017


Jonathan -

BFD currently depends on a external daemon PTMD to work correctly.

donald

On Mon, Nov 27, 2017 at 11:49 AM, Jonathan Grégoire
<jonathan763 at gmail.com> wrote:
> Hi all,
>
> I'm having a problem with BFD, it looks like that it doesn't want to
> start. The BFD status still at Unknown even if it's configured under
> interfaces.
>
> I make some search on the net but to find any solution. I might miss
> something in my config... or anybody might get the same thing as me.
> Could you help to make BFD work?
>
>
> =====================
>
> !
> interface enp0s8
>  ip ospf network point-to-point
>  ip ospf hello-interval 60
>  ip ospf dead-interval 240
>  ip ospf bfd 3 300 300
> !
> interface enp0s9
>  ip ospf network point-to-point
>  ip ospf hello-interval 60
>  ip ospf dead-interval 240
>  ip ospf bfd 3 300 300
> !
>
> router01-ospf#  show ip ospf nei detail
>  Neighbor 2.2.2.2, interface address 169.254.0.2
>     In the area 0.0.0.0 via interface enp0s8
>     Neighbor priority is 1, State is Full, 5 state changes
>     Most recent state change statistics:
>       Progressive change 8m59s ago
>     DR is 0.0.0.0, BDR is 0.0.0.0
>     Options 2 *|-|-|-|-|-|E|-
>     Dead timer due in 3m00s
>     Database Summary List 0
>     Link State Request List 0
>     Link State Retransmission List 0
>     Thread Inactivity Timer on
>     Thread Database Description Retransmision off
>     Thread Link State Request Retransmission on
>     Thread Link State Update Retransmission on
>
>     BFD: Type: single hop
>       Detect Mul: 3, Min Rx interval: 300, Min Tx interval: 300
>       Status: Unknown, Last update: never
>
>  Neighbor 2.2.2.2, interface address 169.254.1.2
>     In the area 0.0.0.0 via interface enp0s9
>     Neighbor priority is 1, State is Full, 5 state changes
>     Most recent state change statistics:
>       Progressive change 8m59s ago
>     DR is 0.0.0.0, BDR is 0.0.0.0
>     Options 2 *|-|-|-|-|-|E|-
>     Dead timer due in 3m00s
>     Database Summary List 0
>     Link State Request List 0
>     Link State Retransmission List 0
>     Thread Inactivity Timer on
>     Thread Database Description Retransmision off
>     Thread Link State Request Retransmission on
>     Thread Link State Update Retransmission on
>
>     BFD: Type: single hop
>       Detect Mul: 3, Min Rx interval: 300, Min Tx interval: 300
>       Status: Unknown, Last update: never
>
>
> router01-ospf#
>
> =====================
>
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