[nsp] eBGP routes not balancing
Roger
grunky at rockriver.net
Mon Jan 5 18:28:27 EST 2004
With reguards to load balancing and meds I found a few urls that might help
http://www.nanog.org/mtg-0310/pdf/smith.pdf
page 55 of the pdf talks about how the best route is always reselected
based upon the age of the peer - and how to change that
and
http://www.cisco.com/en/US/tech/tk365/tk80/technologies_tech_note09186a0080094925.shtml
This cisco url talks about how *bgp deterministic-med* and the *bgp
always-compare-med differ.. This page also mentions that
"**Note:* Cisco Systems recommends enabling the *bgp deterministic med*
command in all new network rollouts. For existing networks, the command
must either be deployed on all routers at the same time, or
incrementally, with care to avoid possible internal BGP (iBGP) routing
loops."
lastly the bgp bestpath algorithum - how routes get moved from the bgp
rib to the routing table. Also discusses on what commands can be used
and how they effect this behavior. ie - skip or change default behaior
is paramter xyz is set.. Very helpful and full of links... Also
briefly mentions BGP multipath. Which is kinda neat for load balancing
purposes but hard to achive because so many attributes need be the same.
http://www.cisco.com/en/US/tech/tk365/tk80/technologies_tech_note09186a0080094431.shtml
--
Rock River Internet Roger Grunkemeyer
202 W. State St, 8th Floor grunky at rockriver.net
Rockford, IL 61101 815-968-3888
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