Re: Quick BGP peering question

2007-01-03 Thread Jack Bates
James Blessing wrote: Very simply : Would you accept traffic from a customer who insists on sending 0 prefixes across a BGP session? I just ran through a related issue with one of my upstream peers. It appears that they have a RPF strictly enforced policy, yet during the process of renumber

Re: Quick BGP peering question

2007-01-03 Thread Jeff Aitken
On Wed, Jan 03, 2007 at 01:36:26PM +, James Blessing wrote: > Expecting the traffic is not a problem, just want some way of verifying > that the traffic isn't malicious/spoofed (e.g. by using unicast RPF or > similar) Whether or not the customer plans on advertising prefixes via BGP, your s

Re: Quick BGP peering question

2007-01-03 Thread Bill Woodcock
On Wed, 3 Jan 2007, James Blessing wrote: > Expecting the traffic is not a problem, just want some way of verifying that the > traffic isn't malicious/spoofed (e.g. by using unicast RPF or similar) Is there some reason a filter wouldn't work? -Bill

Re: Quick BGP peering question

2007-01-03 Thread Bill Woodcock
On Wed, 3 Jan 2007, James Blessing wrote: > Very simply : Would you accept traffic from a customer who insists on sending 0 > prefixes across a BGP session? Does that somehow make their money not [green,colorful,whatever]? -Bill

Re: Quick BGP peering question

2007-01-03 Thread James Blessing
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Neil J. McRae wrote: > are you advertising them routes? > If so then why wouldn't you expect traffic? >> -Original Message- > Very simply : Would you accept traffic from a customer who insists on > sending 0 > prefixes across a BGP session?

Re: Quick BGP peering question

2007-01-03 Thread Jeff Aitken
On Wed, Jan 03, 2007 at 12:42:34PM +, James Blessing wrote: > Very simply : Would you accept traffic from a customer who insists > on sending 0 prefixes across a BGP session? As long as I knew the src ip blocks used by the customer and could craft an appropriate ingress filter, sure. I'm gu

RE: Quick BGP peering question

2007-01-03 Thread Neil J. McRae
are you advertising them routes? If so then why wouldn't you expect traffic? > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > James Blessing > Sent: 03 January 2007 12:43 > To: nanog > Subject: Quick BGP peering question

Quick BGP peering question

2007-01-03 Thread James Blessing
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, Very simply : Would you accept traffic from a customer who insists on sending 0 prefixes across a BGP session? J - -- COO Entanet International T: 0870 770 9580 http://www.enta.net/ -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.5 (MingW32) C