BGP solution ?

Gleb Smirnoff glebius at cell.sick.ru
Wed Jan 21 23:36:25 PST 2004


On Thu, Jan 22, 2004 at 12:58:03AM +0200, Georgi Moskov wrote:
G> > G>                        --- B ---
G> > G>                       /         \
G> > G>                      /           \     6802:100
G> > G>  194.141.24.0/24 -- A             C ----------- F
G> > G>                      \           /    6802:200
G> > G>                       \         /
G> > G>                        --- D ---
G> > G>
G> > G> in such a way, that traffic to/from 194.141.24.0/24 and prefixes marked
G> > G> widh 6802:100 to pass through router B and traffic to/from 6802:200 to
G> > G> pass through router D ? (the ruters use zebra)
<==skip==>
G> Correct me if I'm wrong but in my understanding router C can have only 1
G> active path for 194.141.24.0/24 (the best one) and if so, then it will
G> route traffic to it just through one of the interfaces.

You are right. Desired behavior of incoming traffic can be obtained only
by means of policy routing. In FreeBSD I see no way to combine "ipfw fwd"
feature and zebra.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


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