>
> On Oct 7, 2016, at 5:07 PM, Andrew Hoyos <[log in to unmask]> wrote:
>
>>
>> On Oct 7, 2016, at 4:47 PM, Doug McIntyre <[log in to unmask]> wrote:
>>
>> protocol bfd {
>> interface "bce1" {
>> min rx interval 20 ms;
>> min tx interval 50 ms;
>> idle tx interval 300 ms;
>> passive;
>> };
>> neighbor 206.108.255.3;
>> neighbor 206.108.255.4;
>> neighbor 206.108.255.5;
>> neighbor 206.108.255.6;
>> neighbor 206.108.255.7;
>> neighbor 206.108.255.8;
>> ....
>> }
>
> Based on http://bird.network.cz/?get_doc&f=bird-6.html, I’d suggest something a bit less aggressive like 500ms x 3. I know a number of us here are using similar timer settings with good luck. idle tx would seem to not be required since it’s in passive mode (so it won’t send packets to a neighbor until it gets one first)
>
> protocol bfd {
> interface "bce1" {
> interval 500 ms;
> multiplier 3
> passive;
> };
And for the neighbors, you’d want to tie these to the BGP sessions rather than creating direct sessions inside 'protocol bfd'. If you add the ‘bfd’ switch to BGP sessions, it will dynamically create the BFD sessions, and tie BGP state to BFD.
--
Andrew Hoyos
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