LAN to LAN bridge

I have two LAN connected by dedicated line and two cisco 2611 routers .Brief config can be seen  below .  router1#     inter s0/0 ip address 10.20.1.1/24     inter e0/0 ip address 10.10.10.21/24     ip route 10.10.12.0 255.255.255.0 10.20.1.2 router2# inter s0/0   ip a

Re: LAN to LAN bridge

Only way I can think of to tie different parts of the same ip subnet together in disparate locations (routers) is through IRB. Here's a sample config: -;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;-;- version 11.2 ! hostname BVI1 ! ip subnet-zero ! interface Hssi0 no ip address no