[c-nsp] Configure two AS on one BGP router

[Skeeve Stevens]

Even on eBay, last RSP16 I saw was about US$10,000.

 

.Skeeve

 

From: heh heh [mailto:dudepron at gmail.com] 
Sent: Wednesday, 4 July 2007 2:07 PM
To: skeeve at skeeve.org
Cc: Matt Carter; Paul Stewart; Joseph Jackson; Alex Haan;
cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Configure two AS on one BGP router

 

Have you thought about upgrading the 7507 to an RSP-16?

On 7/3/07, Skeeve Stevens <skeeve at skeeve.org> wrote: 

I have one customer with a 7200-G2 and another with a 7507.  The 7507 is
getting very old obviously and can't even take 2 full feeds any more.  They 
are located in the same DC and would be easy to trunk some VLAN's.

I was considering the idea of doing away with the 7507 and virtualising the
routing/BGP functions onto the other customers G2 which would handle it 
without any fuss since the isp which has the 7507 doesn't do too much
traffic.

...Skeeve

-----Original Message-----
From: Matt Carter [mailto:matt at iseek.com.au  <mailto:matt at iseek.com.au> ]
Sent: Wednesday, 4 July 2007 1:16 PM
To: 'Paul Stewart'; skeeve at skeeve.org; 'Joseph Jackson'; 'Alex Haan';
cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Configure two AS on one BGP router

howdy,

what is the reason for wanting to run 2 as on one router? are you trying to
provide true separation between the ASN's, VRF style, or just be able 
masquerade as another ASN per se when talking to an upstream?

would something like this meet the requirements?

"The local-AS feature allows a router to appear to be a member of a second
autonomous system (AS), in addition to its real AS." 

"The local-AS feature is useful if ISP-A purchases ISP-B, but ISP-B's
customers do not want to modify any peering arrangements or configurations.
The local-AS feature allows routers in ISP-B to become members of ISP-A's 
AS. At the same time, these routers appear to their customers to retain
their ISP-B AS number. "

Configuring the BGP Local-AS Feature
Document ID: 13761
http://www.cisco.com/warp/public/459/39.html

kind regards,

--matt



> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Paul Stewart
> Sent: Wednesday, 4 July 2007 4:08 AM
> To: skeeve at skeeve.org; 'Joseph Jackson'; 'Alex Haan'; cisco-
> nsp at puck.nether.net
> Subject: Re: [c-nsp] Configure two AS on one BGP router
>
> Ooops... sorry, I had always presumed that would be easily done...;)
>

-snip-

>
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net 
> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Alex Haan
> > Sent: Tuesday, July 03, 2007 10:34 AM
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] Configure two AS on one BGP router
> >
> > Hi Everyone,
> >
> > Is it possible to configure two ASes on one BGP router? If it's 
> > possible, how many feeds we are going to receive from an ISP peer?
> One
> > or Two?
> >
> > Thanks,
> >
> > Alex
> >
> >


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