Re: BGP next-hop

2010-09-30 Thread Christian Martin
On Sep 30, 2010, at 5:37 PM, Randy Bush wrote: > i was recently bitten by a cousin of this > > research router getting an ebgp multi-hop full feed from 147.28.0.1 > (address is relevant) > > it is on a lan with a default gateway 42.666.77.11 (address not > relevant), so it has > >ip route

Re: RIP Justification

2010-09-29 Thread Christian Martin
On Sep 29, 2010, at 4:20 PM, Jesse Loggins wrote: > A group of engineers and I were having a design discussion about routing > protocols including RIP and static routing and the justifications of use for > each protocol. One very interesting discussion was surrounding RIP and its > use versus a p

Re: Routers in Data Centers

2010-09-26 Thread Christian Martin
On Sep 26, 2010, at 10:29 PM, Richard A Steenbergen wrote: > On Sun, Sep 26, 2010 at 09:24:54PM -0400, Alex Rubenstein wrote: >> >> And, not to mention that some vendors do it sometimes. >> >> "The 9-slot Cisco Catalyst 6509 Enhanced Vertical Switch (6509-V-E) >> provides [stuff]. It also pro

Re: SONET/SDH virtual tributary mapping to use KLM mode

2010-09-16 Thread Christian Martin
On Sep 16, 2010, at 8:57 AM, Danijel wrote: > > K describes TUG-3 group (1-3) > L describes a TUG-2 group inside a TUG-3 (1-7) > M describes a TU-12/VC12/E1 inside a TUG-2 (1-3) > > I'm not sure if they actually have some meaning. They are merely alphabetical indexes. C

Re: largest OSPF core

2010-09-02 Thread Christian Martin
On Sep 2, 2010, at 7:35 PM, Randy Bush wrote: >> The stability of the topology plays a most prominent role, but it >> wouldn't surprise me if a OSPF network largely comprised of router >> LSAs (no redistribution), using today's hardware, could easily scale >> to 1000 nodes in an area. > > i be

Re: largest OSPF core

2010-09-02 Thread Christian Martin
> In a message written on Thu, Sep 02, 2010 at 03:20:05PM +0300, lorddoskias > wrote: >> I'm just curious - what is the largest OSPF core (in terms of number >> of routers) out there? The stability of the topology plays a most prominent role, but it wouldn't surprise me if a OSPF network large

Re: Did your BGP crash today?

2010-08-28 Thread Christian Martin
I think that focusing on researchers (who we assume are good-intentioned) misses the point. Any connected BGP speaker can inject any form of ugliness. The routers that mishandled these updates were bounded by routers that were able to 'properly' handle corrupted updates. The question of aggr