MED

From: Ed Man (networkexpert08@gmail.com)
Date: Thu Jul 17 2008 - 10:01:30 ART

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Hi Group,

If it asks to "configure the network by adjusting MED so that AS100 prefers
R1 to reach prefixes originated in AS300", and the topology is,

[ AS100 R3 ]----------[ R1, R2, AS200 ]----------[ AS300 ]

peering, R3---R1, R3---R2,

can I simply configure it as, on R1 and R2 that,

R1:
route-map MED
 set metric 1
router bgp 200
 nei <R3> route-map MED out

R2:
route-map MED
 set metric 2
router bgp 200
 nei <R3> route-map MED out

or I have to configure an "ip as-path access-list" to match specificly the
prefixes that originated in AS300, like this,

ip as-path access-list 1 permit 300$

route-map MED
 match as-path 1
 set metric <metric>

Which one will merit me a point in real CCIE lab exam?

Adv. Thanks
Ed.

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