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an easy routing issue

tuffguy
Level 1
Level 1

the situation:There is an Alcatel modem for internet and mail and web server and it is not a router and no support for rip if you check the topology that I attached for the case? Alcatel is forwarding all mail packets from tcp ports 25 and 110 to 10.0.0.1 mail server.Also it is forwarding tcp port 80 requests to 10.0.0.3 web server.There is only one real adress 212.x.x.x on alcatel modem.

* CONTACT NAME: Gürkan sular

* CONTACT PHONE NUMBER:00902165229898

* CONTACT EMAIL ADDRESS: gsular@yahoo.com

* CONTRACT #: ????

* SERIAL #: SHN02212511

* PRODUCT TYPE (Model Number): cisco 2610 (MPC860)

* SOFTWARE VERSION: Version 12.2(10b)

* COMPANY NAME: nextiraone turkey

* EQUIPMENT LOCATION (Address): istanbul

we want to put cisco router directly behind to adsl modem from ethernet.

Questions:

Can I use stright or cross cable in this case?

And Can cisco 2600 router can route tcp port 25 and 110 to some nonroutable IP address 10.0.0.1 mail server inside? also port 80 to 10.0.0.2 web server.Because I checked all commands related with it I could not find any like ip nat 0.0.0.0 0.0.0.0 tcp 25 10.0.0.3

1 Reply 1

anar
Level 1
Level 1

Selam arkadash!

If you want to connect your router to adsl modem directly you have to use cross cable, if to the hub or the switch then straight cable.

And to use mail services only you have not to do nat.

only by simple route "ip route 0.0.0.0 0.0.0.0 10.0.0.202 you can give your new users e-mail services

But, if you want to give new network users all services you have to put your router behind the ISA server.

e-mail me if you want additional help.

Turkche konusha bilersen.

anaraliyev@risk.az