I have not got the book so I cant comment. But normal EBGP rules apply to sub-AS.
sub-AS1 wont advertise the next hop to sub-AS2 if it cant get there via IGP. Cheers, Matt CCIE #22386 CCSI #31207 On 10 April 2010 06:41, Fabio Mendes <[email protected]> wrote: > Could someone clarify a little question about BGP Confederations, please ? > Well, here is the thing: Odom's CCIE R&S Cert Guide v4, page 412, figure > 4-10 and example 10-14 have something I cannot grasp. > If sub-ASes use eBGP rules to inform about updates between themselves, why > should I use the neighbor next-hop-self command, between different sub-ASes > ? > The update flying inside AS 123 without change the NEXT_HOP received by > R1(sub-AS 65001) and R3 (sub-AS 65023). > > Where is the catch ? > > -- > > CCNA - Cisco Certified Network Associate > CCNP - Cisco Certified Network Professional > > "A bird that you set free may be caught again, but a word that escapes your > lips will not return." Jewish Proverb > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
