Better to use 'ebgp multihop' and peer to provider router's loopback.
Then have equal cost static routes to provider's loopback via the two
physical interface next hop IP addresses.
Cheers,
Brad Hedlund
[email protected]
http://www.internetworkexpert.org
On May 20, 2009, at 9:47 PM, "Peter Kranz" <[email protected]>
wrote:
Setup is as follows; 2 edge routers, each with a BGP session
receiving full
routes to the same provider router. The provider is load balancing
inbound
traffic to our AS nicely, 50/50 between the edge routers.. I would
also like
to load balance the outbound traffic.. I've considered adding
'maximum-paths
2' to install the two equal paths, but an concerned about FIB TCAM
impacts.
Will adding this command cause each equal cost route to take one
additional
TCAM entry, i.e. full routing table x 2 > 524k TCAM limit = EPIC
meltdown?
Current FIB TCAM:
L3 Forwarding Resources
FIB TCAM usage: Total Used
%Used
72 bits (IPv4, MPLS, EoM) 524288 285506
54%
144 bits (IP mcast, IPv6) 262144 5
1%
Peter Kranz
<http://www.UnwiredLtd.com> www.UnwiredLtd.com
Desk: 510-868-1614 x100
Mobile: 510-207-0000
<mailto:[email protected]> [email protected]
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