Any references on doing this? I've seen lots of examples of prefixing
my advertised path but non on padding my inbound path. I figured that's
what I needed to do but I'm just unsure how to do it.
Thanks,
Serge.
Pete Templin wrote:
Serge Paquin wrote:
I'm currently Multihomed with 2 ISPs and most of my traffic is
outbound. My inbound traffic is about a 70/30 ISP-B/ISP-A split which
isn't to
bad but since the acctualy volume is low I'm not to concerned.
What does concern me is my outbound. I'm about a 90/10 ISP-B/ISP-A
split on my outbound traffic.
My main router is a 2691 with 256megs ram. It has a BGP session to
ISP-A and an EBGP-Multihope session to ISP-B.
Is there a reliable/easy way to balance outbound traffic 50/50? Lacking
that what are my options of getting myself closer to 50/50?
I'd build (or "upgrade") a route map "inbound" from ISP-B. Prepend
their AS to the routes you're receiving from them; most likely this will
start to shift the balance towards ISP-A. If one prepend puts you too
far past 50/50, you may need to start doing the prepending selectively
based on individual ASes that ISP-B connects to, and/or start adjusting
local preference based on those individual ASes that are your providers'
upstreams.
pt
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