[nsp] IP source problem

Pete Templin pete.templin at texlink.com
Wed Dec 17 16:35:21 EST 2003


Simple solution, if they'll do it, would be for that provider to add static routes for your customer's address space pointing towards you.  They don't need to advertise them, but it satisfies the RPF test.

Pete Templin
Senior Staff Engineer
TexLink Communications
(210) 892-4183
pete.templin at texlink.com


-----Original Message-----
From: Lucas Iglesias [mailto:l.iglesias at tiba.com]
Sent: Wednesday, December 17, 2003 3:19 PM
To: cisco-nsp at puck.nether.net
Subject: [nsp] IP source problem

Hi,

I'm happen to have a customer who has his own IP addresses and needs to do
upload by me, but not download. He has another provider from where he does
the download. Hence, I do not advertise their prefixes.
Now, I have a provider (lets call him ... verio) who seems to be filtrating
packets based on the IP source (I think with uRPF), which it's ok, but in
this particular case it is a problem for me.
Do you know a simple way to work it out?

I thought in the possibility of advertising my customer prefixes with some
community which makes verio to discard it, but it's too complicated and I'm
not sure it will work (and I really would like not to create a conflict with
his prefixes).

Thanks in advance.
Lucas.
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