[nsp] IP source problem

[Ryburn, Justin]

Or see if they will change the RPF to loose mode.  Then they will only
have to have "a route" to your customer.  Assuming they have full routes
on their edge router they will have this route even though it doesn't
point to you.

Justin



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Pete Templin
Sent: Wednesday, December 17, 2003 3:35 PM
To: Lucas Iglesias; cisco-nsp at puck.nether.net
Subject: RE: [nsp] IP source problem


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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