On Thu, Mar 4, 2010 at 1:52 PM, Thomas Magill <tmagill@providecommerce.com> wrote:
1. Why don't providers use /31 addresses for P2P links? This works fine per rfc 3021 but nobody seems to believe it or use it. Are there any major manufacturers out there that do not support it?
Because those who want to hyper-optimize use a /32 loopback address on each router instead and rely on SNMP instead of Ping to determine whether an interface is up.
2. Longer than /24 prefixes in global BGP table. The most obvious answer is that some hardware may not handle it...
That's the most obvious answer? On Thu, Mar 4, 2010 at 2:12 PM, Joel Jaeggli <joelja@bogus.com> wrote:
handling the v6 table is not currently hard (~2600 prefixes) while long term the temptation to do TE is roughly that same in v6 as in v4, the prospect of having a bunch of non-aggregatable direct assignments should be much lower...
Because we expect far fewer end users to multihome tomorrow than do today? Regards, Bill Herrin -- William D. Herrin ................ herrin@dirtside.com bill@herrin.us 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004