Re: Consequences of BGP Peering with Private Addresses

2011-06-21 Thread Dobbins, Roland
On Jun 15, 2011, at 12:47 PM, James Grace wrote: Are there any horrific consequences to picking up this practice? http://tools.ietf.org/html/draft-kirkham-private-ip-sp-cores-04 --- Roland Dobbins rdobb...@arbor.net //

Re: Consequences of BGP Peering with Private Addresses

2011-06-16 Thread Jeff Wheeler
On Wed, Jun 15, 2011 at 12:47 PM, James Grace ja...@cs.fiu.edu wrote: So we're running out of peering space in our /24 and we were considering using private /30's for new peerings.  Are there any horrific consequences to picking up this practice? I agree with other posters that this is not a

RE: Consequences of BGP Peering with Private Addresses

2011-06-16 Thread Tom Hill
On Thu, 2011-06-16 at 11:30 +, Leigh Porter wrote: I have not followed this whole thread, but did anybody suggest just using IPv6 for this? I was going to mention this, but it's only the neighbor address that is IPv6. You still need an IPv4 next-hop and that is where the issue is in using

RE: Consequences of BGP Peering with Private Addresses

2011-06-16 Thread Leigh Porter
And that will teach me not to read the thread! -- Leigh From: Tom Hill [t...@ninjabadger.net] Sent: 16 June 2011 13:46 To: nanog@nanog.org Subject: RE: Consequences of BGP Peering with Private Addresses On Thu, 2011-06-16 at 11:30 +, Leigh Porter

Re: Consequences of BGP Peering with Private Addresses

2011-06-16 Thread Adam Rothschild
Also absent from this discussion is that the RIRs are still issuing address space, and interface addressing is perfectly reasonable justification. -a

Re: Consequences of BGP Peering with Private Addresses

2011-06-16 Thread Gaurab Raj Upadhaya
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 6/15/11 5:47 PM, James Grace wrote: So we're running out of peering space in our /24 and we were considering using private /30's for new peerings. Are there any horrific consequences to picking up this practice? This might summarize it nicely.

Re: Consequences of BGP Peering with Private Addresses

2011-06-15 Thread Patrick W. Gilmore
On Jun 15, 2011, at 12:47 PM, James Grace wrote: So we're running out of peering space in our /24 and we were considering using private /30's for new peerings. Are there any horrific consequences to picking up this practice? Horrific? How about: Most peers won't bring up a session. What

Re: Consequences of BGP Peering with Private Addresses

2011-06-15 Thread Nick Hilliard
On 15/06/2011 17:47, James Grace wrote: So we're running out of peering space in our /24 and we were considering using private /30's for new peerings. Are there any horrific consequences to picking up this practice? yes. it causes nasty problems if you use urpf (as you should), in particular

Re: Consequences of BGP Peering with Private Addresses

2011-06-15 Thread Cameron Byrne
On Wed, Jun 15, 2011 at 9:47 AM, James Grace ja...@cs.fiu.edu wrote: Hey All, So we're running out of peering space in our /24 and we were considering using private /30's for new peerings.  Are there any horrific consequences to picking up this practice? You can reclaim space by switching

Re: Consequences of BGP Peering with Private Addresses

2011-06-15 Thread isabel dias
IPv4? IPv6? are you planning to do NAT or PAT? Are you using a bogous ASN 64512 through 65534 to be used for private purposes? /30 - 4 addresses/2 hosts - you can't do a mesh configuration w/ that subnet mask.. --- On Wed, 6/15/11, James Grace ja...@cs.fiu.edu wrote: From: James

Re: Consequences of BGP Peering with Private Addresses

2011-06-15 Thread isabel dias
, Patrick W. Gilmore patr...@ianai.net wrote: From: Patrick W. Gilmore patr...@ianai.net Subject: Re: Consequences of BGP Peering with Private Addresses To: NANOG list nanog@nanog.org Date: Wednesday, June 15, 2011, 6:54 PM On Jun 15, 2011, at 12:47 PM, James Grace wrote: So we're running