RE: How are you configuring BFD timers?

2018-05-05 Thread Erik Sundberg
Here is what we do... router isis interface TenGigabitEthernet0/0/0/0 circuit-type level-2-only bfd minimum-interval 50 bfd multiplier 5 bfd fast-detect ipv4 We keep the same config for local and long haul core links. Works like a champ every time. Also as a FYI if you are

RE: Route Reflector Client Design Question

2018-05-05 Thread Erik Sundberg
Mark, Your solutions sounds like the best one. We have just started to mess with Selective download and we have only turned it on for one of the PE’s in our network. I am in the process of upgrading our Core routers from Cisco12410 to ASR9906’s, before I turn this one. Having the PE decide

Re: Route Reflector Client Design Question

2018-05-05 Thread Mark Tinka
On 4/May/18 08:01, Erik Sundberg wrote: > My questions is how do I get traffic to go directly between the PE's without > going to the Core Routers? > > 1. Can I enable iBGP between the PE's in a full mesh to allow traffic between > the PE's without going to the core's. Or does this break the

Re: NSR / NSF

2018-05-05 Thread Mark Tinka
On 17/Mar/18 12:29, Hari . wrote: > Checking on best practice being followed with regards to enabling NSF or NSR > or both on ASR 9k. Which option can be beneficial and considered to be a > standard approach. See https://mailman.nanog.org/pipermail/nanog/2014-November/071600.html from 2014.

Re: How are you configuring BFD timers?

2018-05-05 Thread Mark Tinka
On 22/Mar/18 10:47, James Bensley wrote: > Have you looked at testing and adding this command to your IOS devices: > > ip routing protocol purge interface In all recent versions of IOS, this command is now standard and is elided from the running configuration. Mark.

Re: How are you configuring BFD timers?

2018-05-05 Thread Mark Tinka
On 21/Mar/18 19:10, Jason Lixfeld wrote: > A few years ago I did some testing and found that the time between the > transceiver detecting LOS and the routing protocol (ISIS in this case) being > informed that the link was down (triggering the recalculation) took longer > than it took BFD to

Re: Catalyst 4500 listening on TCP 6154 on all interfaces

2018-05-05 Thread marcel.duregards--- via NANOG
As the zero touch feature is on TCP 4786 (SMI), I vote for either: - a nsa backdoor :-) - a default active service Have you tried to zeroize the config and restart then check if TCP 6154 is still on LISTEN state ? - Marcel On 03.05.2018 06:51, frederic.jut...@sig-telecom.net wrote: > Hi, >