From: Nordhoff, Michael G. (US - Hermitage) (mnordhoff@deloitte.com)
Date: Wed Sep 10 2003 - 17:39:20 GMT-3
A quick question concerning the BGP MED attribute...
Is it normal behavior for a BGP peer to NOT pass along MED information for
prefixes learned from BGP peers in different AS's? My scenario is this...
R1 is attached to R2. R3 is attached to R4. R2 and R4 are attached to R5.
R1 advertises a prefix to R2 via EBGP as does R3 to R4. R2 and R4 then
advertise these prefixes to R5 via EBGP. The MED attributes added by R1 and
R3 are received by R2 and R4, respectively. However, these MEDs are not
being passed along to R5. What is the reason for this behavior and what can
be done to circumvent it?
Thanks in advance!
Mike Nordhoff - CCNP,CCDP
Deloitte & Touche, National WAN Services
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