Customer needs to get their own AS. Daniel Ladrach CCNA, CCNP WorldCom
> -----Original Message----- > From: Junkie [mailto:[EMAIL PROTECTED]] > Sent: Thursday, May 02, 2002 9:48 PM > To: [EMAIL PROTECTED] > Subject: RE: BGP question [7:43163] > > > You shouldn't have a problem at all. I have done this a few > times, just > make sure that both ISP's know you have a multihomed network and what > block the other ISP provided. Just like Jason mentioned, it's AS to > AS...but we had a situation where the ISP had to add the other ISP's > block into an access list. > > Most of the bigger providers will have a form to fill out, with Sprint > and WCOM they ask if you are multihomed and also ask for all of the > public blocks > > You're good with it... > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On > Behalf Of > Steven A. Ridder > Sent: Thursday, May 02, 2002 4:28 PM > To: [EMAIL PROTECTED] > Subject: BGP question [7:43163] > > Here's a question I can't seem to answer. I came up with a > scenario in > my > head, and now I can't find a solution. > > Example: I have a dual homed network via BGP. I have ISP 1 and they > give me > 209.21.220.1/20 for use, and ISP gives me 199.33.23.1/21. > Say I use the > 209.x.x.x for my web servers, mail server, etc, and advertise > that back > out > to the Internet via ISP 1 (the ISP that assigned me the block) and in > DNS. > I'm assuming ISP 2 will not advertise that block for me, as > it's ISP 1's > block. So, now the whole world knows to get to me via ISP 1. Then > let's > say ISP 1 goes down, how would the world know how to get to > me, if they > only > knew how to get to me Via ISP 1 and it's IP's? > > -- > RFC 1149 Compliant > > Get in my head: > http://sar.dynu.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=43219&t=43163 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
