2-2-1. Cisco dual BGP with conditional announcement

Wednesday, 09 April 2008 15:44 |

Cisco dual BGP with conditional announcement

ISPs : 1
WAN links : 2
CPE : 1
PE : 1
Device : Cisco router with LAN/WAN ports.
WAN1 / Serial IP : 12.1.3.0/30 (mask 255.255.255.252)
WAN2 / Serial IP : 12.1.3.4/30 (mask 255.255.255.252)
LAN / Ethernet IP : 10.1.0.0/24 (mask 255.255.255.0)
Receiving Route : Default route + full route from ISP
Memory : Full route(recommend 512M), partial route
(recommend 128-256M)
LAN : ISP (AS20) and Customer (AS10)

BGP sample configuration 2-1-1

[Think~]

Well, this sample wouldn't realistic. No one is going to configure this way. B/c BGP will pick one best path anyway.

See 3-6-1. Cisco Dual BGP with Conditional Announcement

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2-2-1. Cisco dual BGP with conditional announcement

Cisco dual BGP with conditional announcement