BGP Load-balancing betw ibgp and ebgp paths

From: ccie2be (ccie2be@nyc.rr.com)
Date: Thu May 26 2005 - 17:57:49 GMT-3


Hi guys,
 
I now know how to configure BGP to load-balance between paths learned from
either multiple ebgp peers or from multiple ibgp peers.
 
maximum-paths # --- for ebgp peers
 
maximum-paths ibgp # -- for ibgp peers
 
 
But, how is load balancing configured when the same route is learned from
both an ibgp and an ebgp peer?
 
I looked at all the bgp commands available under the bgp process but none
appear to do the trick.
 
Any ideas?
 
TIA, Tim
 
R6(config-router)#bgp ?
  always-compare-med Allow comparing MED from different neighbors
  bestpath Change the default bestpath selection
  client-to-client Configure client to client route reflection
  cluster-id Configure Route-Reflector Cluster-id
  confederation AS confederation parameters
  dampening Enable route-flap dampening
  default Configure BGP defaults
  deterministic-med Pick the best-MED path among paths advertised from
                          the neighboring AS
  dmzlink-bw Use DMZ Link Bandwidth as weight for BGP
multipaths
  fast-external-fallover Immediately reset session if a link to a directly
                          connected external peer goes down
  inject-map Routemap which specifies prefixes to inject
  log-neighbor-changes Log neighbor up/down and reset reason
  redistribute-internal Allow redistribution of iBGP into IGPs (dangerous)
  router-id Override configured router identifier
  scan-time Configure background scanner interval
 
R6(config-router)#bgp best ?
  compare-routerid Compare router-id for identical EBGP paths
  dampening Enable route-flap dampening
  dmzlink-bw Use DMZ Link Bandwidth as weight for BGP multipaths
  inject-map Routemap which specifies prefixes to inject
  med MED attribute
  scan-time Configure background scanner interval



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