RE: BGP over two ISP links

2001-03-29 Thread Moe Tavakoli
The ISPs don;t tend to accept route advers via BGP less than a /24. Some do, but it has become some kind of a "standard" If they allowed smaller route ads then the full BGP route table would be way too large. Moe. -Original Message- From: Ruihai An [mailto:[EMAIL PROTECTED]] Sent: Thur

Re: BGP over two ISP links

2001-03-29 Thread John Neiberger
At a minimum you're going to need a single /24, not two. You would announce this prefix on both connections. You're also going to need to apply for an autonomous system number from ARIN. Details can be found at www.arin.net. I'm wondering what you're really trying to accomplish. If this extr

Re: BGP over two ISP links

2001-03-29 Thread Pedro Quezada
isp ..prefer to anounce a class full c rather than chunks of it ..it woul make it dificult for other isp managing this scenarioanyways everyone wants to reduce routing tables and anouncing a whole class c is easy. Ruihai An wrote: > Hi, All, > > Here is a quick question: > We are planning t

Re: BGP over two ISP links

2001-03-29 Thread Howard C. Berkowitz
*sigh* There is no longer such a thing as a class C. There are /24 prefixes. Anyone who plans to do BGP routing _must_ understand the difference, and why classful references are undesirable. One thing that has not been mentioned is where the address space comes from -- is it provider-assign

RE: BGP over two ISP links

2001-03-30 Thread Evans, TJ
Thanks! TJ -Original Message- From: John Neiberger [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 29, 2001 17:08 To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Re: BGP over two ISP links At a minimum you're going to need a single /24, not two. You wou

RE: BGP over two ISP links

2001-03-30 Thread Howard C. Berkowitz
> > -Original Message- >From: John Neiberger [mailto:[EMAIL PROTECTED]] >Sent: Thursday, March 29, 2001 17:08 >To:[EMAIL PROTECTED] >Cc:[EMAIL PROTECTED] >Subject: Re: BGP over two ISP links > >At a minimum you're going to need a single /24,

Re: BGP over two ISP links

2001-03-30 Thread KY
res > are getting very close. > > > > >I only send this because the "RADB/ Maintainer Object" part has been a > >really painful delay .. but, that should be resolved today :). > > > > > >Thanks! > >TJ > > > > -Original Messag

Re: BGP over two ISP links

2001-03-30 Thread Howard C. Berkowitz
>Well said Howard, I always believe reading Halabi's book only makes >understand BGP and know how to configure it on Cisco. But there is no way >you can play a peer router in a NAP just based on that knowledge. You will >mostly screw it up. >As you said, most of things are not documented, it is re