How To Configure a Cisco to load share

Configuring For Load Sharing

conf t

interface Serial10/0
 ip address 165.90.1.XX 255.255.255.252
 no ip route-cache
 no ip mroute-cache
 down-when-looped

interface Serial10/1
 ip address 165.90.1.XX 255.255.255.252
 no ip route-cache
 no ip mroute-cache
 down-when-looped
end

conf t

ip route 165.90.X.0 255.255.255.0 Serial10/0
ip route 165.90.X.0 255.255.255.0 Serial10/1
end
write

Notes:

The 2 Interfaces must use the HDLC protocol.
The 2 interfaces must have the same interface address.
The 2 interfaces MUST reside on the same router (both sides)
You must have 1 entry per route, per interface.