BFD for routes learned trough Route-servers in IXPs

Paul Timmins paul at
Thu Sep 17 18:28:14 UTC 2020

On 9/17/20 1:51 PM, Douglas Fischer wrote:
> But 30 Seconds for an IXP? It does not make any sense!
> Those packets are stealing CPU cycles of the Control Plane of any 
> router in the LAN.

Especially given how some exchanges lock the mac address of 
participants. You could probably get away with ARP timeouts of a day or 
even just permanent with manual clearing when you see a peer go down.


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