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Re: transit across the ixs

  • From: Jared Mauch
  • Date: Wed Feb 17 10:29:53 1999

On Wed, Feb 17, 1999 at 06:51:20AM -0800, Randy Bush wrote:
> >> cool beans.  employment security for level-3s at the noc.  makes it really
> >> fun to debug when packets come from places different where routes go.  good
> >> job.
> > Aw, come on Randy.  It's not like it's rocket science.
> 
> no, but it is non-trivial added burden for the noc.  we don't do that.  does
> not scale.

	I would agree.  Folks doing this are being very silly with their
configuration, the added load to their direct port should be expected, as
they are providing transit, the fact that they can cheat a bit and
not have their router take the switching load is just a nice thing.

> > The routes do go there, after all.  A "show ip bgp w.x.y.z" on the TC
> > router will show your router as the next hop.
> 
> i.e. our noc has to contact the third party noc.  half the folk on mae-x
> seem not to even have nocs.  does not scale.

	These people either should unplug, or not be peered with, it's
unfortunate that the small folks like this are ruining it for themselves
because they don't have a real NOC.

> > Is this bad?  You agreed to peer with them.  Does your peering agreement
> > restrict them to one router as the source? 
> 
> yup.

	route-map my-exchange-point-peers-in permit 10
		set ip next-hop peer-address

	- jared

-- 
Jared Mauch  | pgp key available via finger from jared@puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.




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