nanog mailing list archives
Re: Friday's Random Comment - About: Arista and FIB/RIB's
From: Baldur Norddahl <baldur.norddahl () gmail com>
Date: Fri, 29 Apr 2016 21:19:20 +0200
Den 29. apr. 2016 15.31 skrev "Nick Hilliard" <nick () foobar org>:
Laszlo Hanyecz wrote:I'm curious about specific failure modes that can result from this, if anyone can share examples/experience with it.The canonical pathological case is where the deaggregated prefixes are affected by upstream topology changes and suddenly your optimisations which saved you N% of forwarding lookup table capacity are wiped out to zero and you end up with no ability to look up next-hops.
With two uplinks that is highly unlikely to the point of being impossible. There is no topology change upstream that can cause a situation where it is not possible to do a high degree of aggregation of the full default free routing table before loading it in the FIB. Regards Baldur
Current thread:
- Re: mpls switches, (continued)
- Re: mpls switches George, Wes (Apr 12)
- Re: mpls switches Colton Conor (Apr 12)
- Re: mpls switches Mark Tinka (Apr 12)
- Re: mpls switches Colton Conor (Apr 13)
- Re: mpls switches Mark Tinka (Apr 13)
- Friday's Random Comment - About: Arista and FIB/RIB's Alain Hebert (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Nick Hilliard (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Laszlo Hanyecz (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Nick Hilliard (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Ryan Woolley (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Baldur Norddahl (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Nick Hilliard (Apr 29)
- Re: Friday's Random Comment - About: Arista and FIB/RIB's Saku Ytti (Apr 30)
- Re: mpls switches Simon Lockhart (Apr 12)
- AW: mpls switches Jürgen Jaritsch (Apr 12)