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Desperate need of TFTP help!

By sscardefield ·
Hello,
Here is the situation. I edit and make changes to my cisco router config on a linux box (debian). I then yank the config file down from the linux box with the router. Well, I want to get rid of the linux box. So I will start making changes to the config file on a NT box, and yanking it down from there. Well, I tried it and it didn't work. The linux box and the router are on the same subnet, but the router and NT box are on different subnets. Can you TFTP across subnets? The NT box is on a private internal address, and the router is obviously on an outside address. How can I get the router to pull the config from the NT box? Right now the router is ip- 216.141.161.225 subnet- 255.255.255.240 and the NT box is on a private ip- 198.68.43.106 subnet- 255.255.255.0.
Thank you for any help.

Seth

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Desperate need of TFTP help!

by -Q-240248 In reply to Desperate need of TFTP he ...

I would GUESS that tftp is routable, but i've seen one thread that says it is not.
When establishing a tftp session, you must fist be able to ping the router to ensure connectivity and routing. If the ping is unsuccessful, then there lies your problem. If you can ping the router, then it may be that tftp is indeed not routable.

Questions: Can you even telnet into the router? Was your linux box on the same network as your NT box? What is between your NT box and the router u want tftp to? where does the NAT translation take place?

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Desperate need of TFTP help!

by sscardefield In reply to Desperate need of TFTP he ...

The question was auto-closed by TechRepublic

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Desperate need of TFTP help!

by otto3 In reply to Desperate need of TFTP he ...

The TFTP will use the network settings from the PC it's installed on. If your NT box has route to the router, then it'll find it. Otherwise it won't work. Do you have another interface on the router which you could access from the NT box? Does yourrouter know how to get to the 192 subnet? Your problem seems to be the lack of routes between the Cisco router and the NT box and not the TFTP software.

Otto

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Desperate need of TFTP help!

by sscardefield In reply to Desperate need of TFTP he ...

The question was auto-closed by TechRepublic

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Desperate need of TFTP help!

by McKayTech In reply to Desperate need of TFTP he ...

You may have a routing issue but another question that comes to mind is whether you are running a TFTP Server on your NT Box.

Microsoft does not supply a TFTP Server with NT 3.51 or 4.0 so unless you've installed a third-party product, your NT box cannot act as a TFTP Server. By way of contrast, most Linux distributions (and FreeBSD, for that matter) do come with both a TFTP Client and a TFTP Server.

If you have the Server piece installed and working, then it is solely a routing issue and you'll need to figure out what gateway parameters you need to reach the router interface that is pointed towards your NT subnet.

paul

Paul M. Wright, Jr. MCSE, CNE
McKay Technologies

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Desperate need of TFTP help!

by sscardefield In reply to Desperate need of TFTP he ...

The question was auto-closed by TechRepublic

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Desperate need of TFTP help!

by ustutz In reply to Desperate need of TFTP he ...

I'd look to CISCO for configuration software for that router to run off NT. Nickel thought: TFTP is part of "BOOTP/TFTP" configuration under UNIX. BOOTP is routable if your router as support for the appropriate RFC and has same support turned on. Categorically, anything you do under "BOOTP/TFTP" in UNIX you'd be doing via DHCP in NT.

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Desperate need of TFTP help!

by sscardefield In reply to Desperate need of TFTP he ...

The question was auto-closed by TechRepublic

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Desperate need of TFTP help!

by guy In reply to Desperate need of TFTP he ...

Could I suggest that you install IIS on the NT Server (or PWS if its a Workstation). This is a free product with the NT CD.
The point is that you could then use FTP which is much superior to the Trivial File Transfer Program.

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Desperate need of TFTP help!

by sscardefield In reply to Desperate need of TFTP he ...

The question was auto-closed by TechRepublic

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