Re: Arista “IP-SLA” / Active Probing

2023-12-22 Thread Tom Beecher
> > I did some research on this and it seems like perhaps the on-boot event > handler launching a python daemon to do this active probing out each isp > circuit and then making config changes in response to transit failures > might be the best option available to us. > Pretty much, yes. They don't

Re: Arista “IP-SLA” / Active Probing

2023-12-22 Thread William Herrin
On Fri, Dec 22, 2023 at 12:13 PM David Zimmerman via NANOG wrote: > I've had a variant of this on our transit routers for enterprise purposes > for a few years. We run DFZ and originate 0/0 and ::/0 internally, but Hi David, There are several variants on Alex's problem. One is that there's an u

Re: Arista “IP-SLA” / Active Probing

2023-12-22 Thread David Zimmerman via NANOG
Hi, Alex. If it helps, I've had a variant of this on our transit routers for enterprise purposes for a few years. We run DFZ and originate 0/0 and ::/0 internally, but because we follow them to the nearest egress (0/0 using NAT for path symmetry, ::/0 using conditional advertisement for path s