Routing and Bridging multiple interface configuration help-
Hi all. Looking for some community help with the example below configuration. I know this is not a the preferred way to do it, but this just an interim network configuration until the Remote Site gets re-located and reconfigured. I'm trying to bridge and route traffic and hoping the community can offer a review of the sample configuration and/or some ideas to make this a reality. Diagram attached and configuration guess shown below.
Existing network is bridged across site-to-site private line (p-2-p) so 192.168.100.0/24 devices exist at both locations. In order to reduce bandwidth consumption across the p-2-p, the 172.20.100.0/24 devices (end user PCs and new to the environemnt) will be routed out a local Internet connection which in turn reduces the p-2-p traffic to just private network traffic for the two networks. That same network requires routing through the 192.168.100.0/24 network in order to access the private WAN connected to the 3900 router with IP 192.168.100.1.
Only applicable known commands are provided
====================================================== ROUTER 1 - 3920 ip route 172.20.100.0 255.255.255.0 192.168.100.252 ip route 0.0.0.0 0.0.0.0 192.168.100.2 ip route [insert private networks and subnet] 184.108.40.206
====================================================== ROUTER 2 - 1921 ! bridge irb ! no ip routing ! int s0/0/0 descrip p-2-p host leg bridge-group 1 ! int g0/0 description LAN bridge leg to 192.168.100.0 network bridge-group 1 ! int g0/1 shut ! int bvi1 ip addr 192.168.100.251 255.255.255.0 ! [note above ip only for remote admin purposes] ! bridge 1 proto ieee no bridge 1 route ip !
bridge irb ! ! int s0/0/0 description p-2-p remote leg no ip address bridge-group 1 ! int g0/0 description site bridge leg to 192.168.100.0 network no ip address bridge-group 1 ! int g0/1 description LAN leg to 172.20.100.0 network ip address 172.20.100.1 255.255.255.0 ! int bvi1 ip address 192.168.100.252 255.255.255.0
! ! ip route 0.0.0.0 0.0.0.0 172.20.100.2 ip route 172.20.156.0 255.255.252.0 192.168.100.1 ! bridge 1 proto ieee bridge 1 route ip ! ======================================================
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