Cisco 2610XM Configuration Help

[Shekhs]

I am using a Cisco 2610 XM border router with 1 T1 CSU\DSU and 4 Ethernet ports for incoming connections. It has one fastethernet port which is used to interface the router with our LAN backbone.

Currently we have one T1 line and one ADSL connection coming into this router.

Our private IP addresses are being NATed to the single public IP on ADSL interface.

I want to find out if we can assign a set of machines with static IP on our LAN to use T1 line only and the rest to use the ADSL line only.

For instance say, I want machines with static IP 192.168.0.5 to 192.168.0.25 to use T1 line only and the rest should use the ADSL line only. Can this be done? Give me directions regarding how to accomplish this, if at all possible.

Thank you.

 

[LeighH]

Hi there,

There are two ways that you could do this, the easiest way would be to put an access list on the t1 interface to only allow those specific ip addresses through.

The other way to do it would be use policy based routing, using set and match commands, to send anything that matches those ip addresses straight through to the t1 port.

Hope this helps,
Leigh H

 

[Shekhs]

That is what I thought and thank you for the insight. In this situation, I have one access list applied to FE0/0 which controls what machines (on our LAN) can pass through the FE0/0 in to the router and than to the internet using ADSL connection. The ADSL line is connected to the router via etehrnet1/0 port. Take a look at the partial current config and let me know what can I do.

access-list 101 permit ip 192.168.0.0 0.0.0.255 any
access-list 102 permit ip 192.168.0.0 0.0.0.255 any
access-list 150 permit ip host 192.168.0.10 any
access-list 150 permit ip host 192.168.0.22 any
access-list 150 permit ip host 192.168.0.25 any
access-list 150 permit ip host 192.168.0.28 any
access-list 150 permit ip host 192.168.0.29 any
access-list 150 permit ip host 192.168.0.30 any

interface FastEthernet0/0
ip address 192.168.0.5 255.255.255.0
ip access-group 150 in

ip nat inside source list 101 interface Serial0/0 overload
ip nat inside source list 102 interface Ethernet1/0 overload
ip route 0.0.0.0 0.0.0.0 Serial0/0 (Note: T1 Line)
ip route 0.0.0.0 0.0.0.0 202.xxx.xxx.xxx (Note: ADSL Line)

Thank you,
Shek