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static routes on L3 switch with two connected routers

john.wright
Level 3
Level 3

    We are introducing a third router (R3) (in order to conenct them to our vendor managed MPLS) and a L3 switch into a site that currently has one router (R1) connected via serial links to another router (R2 192.168.0.0/24) for warehouse access. All business is done via the internet. No private network.

They also have cisco asa firewall in their current subnet 192.168.1.0/24 which is the default destination for R1.

We plan to change the FW inside addr to our new network 10.48.1.252 and maintain this new addr as the default destination.

R1 (192.168.1.2) and R3 (10.48.1.254) will connect to the new L3 switch (10.48.1.237) on two different vlans.

The current clients will stay on the old network in phase one. 192.168.1.0/24 and continue to do business via the internet and the warehouse.

And anything new will be placed in the new network.10.48.1.0/24

We use static routes

Here are my prosed static routes to use in the L3 switch.

Do these look correct to allow access from and to the L3 switch to ASA, R1 and R3?

              ip route 0.0.0.0 0.0.0.0 10.48.1.252 name asa
              ip route 10.0.0.0 255.0.0.0 10.48.1.254 name R3
              ip route 192.168.253.0 255.255.255.0 10.48.1.252 name asa
              Ip route 192.168.0.0 255.255.255.0 192.168.1.2 name R1
              Ip route 10.0.1.0 255.255.255.252 192.168.1.2 name R1
              Ip route 10.0.0.0 255.255.255.252 192.168.1.2 name R1

192.168.253. is the vpn addr range.
the 10.0.1.0 and 10.0.0.0 are the addresses of the serial links that connect R1 to R2.

thanks for the help

15 Replies 15

Jon

Appreciate the help. This goes live in about two weeks.

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