From: Clifton Stewart (cliftonlstewart@xxxxxxxx)
Date: Fri Apr 13 2001 - 03:13:00 GMT-3
Greg,
If you have a few routers to play with give it a try. Usually what I do an
analysis on a network I check for the most vulnerable points of failure. The
lets say you have two 2610's with identical flash and nvram, I turn both
routers into tftp servers. Why? you ask, I've seen instances where routers have
lost the config, in un-manned locations. Meaning you're really, really screwed!
But luckily I thought ahead and it was as simple as using the ip
default-gateway and pointing it towards the router with the good image.
-Cliff
Greg Ferro wrote:
> I'm pretty sure that the Cisco TFTP engine only lets you "copy from". That
> is, it will act as a server for the file specified and send the file.
>
> You can copy a file _from_ a remote device, that is, you must be on the
> console to copy into the router. Any error messages will appear on the
> console.
>
> I do not believe that you can copy to a Cisco router using TFTP when you
> are not on the console. Reason - if the file you are sending is to big
> (bigger than the flash available), how do you get an error ?, the flash
> clogs up, and then since you can't delete and squeeze you would have to
> reformat the flash.
>
> At 02:26 PM 13/04/2001, you wrote:
> >I am lost on setting up a router as a TFTP server. The docs I have say on
> >the router that will act as a TFTP server do tftp-server from global
> >config. I am tryin to practice auto install, and I am going NO
> >where. From the remote router that I am tring to copy it's config so I
> >can later pull it back via auto install, I used the ip helper address, and
> >this is JUST over ethernet. When I try the copy this is what I get:
> >
> >r2#copy start tftp
> >Address or name of remote host []? 10.0.92.9
> >Destination filename [r2-confg]?
> >TFTP: error code 2 received - Access denied
> >
> >%Error opening tftp://10.0.92.9/r2-confg (Undefined error)
> >
> >I then placed an ACL to per any, still the same thing?
> >
> >The far route R9 has this for the TFTP config:
> >
> >tftp-server nvram:
> >
> >Can someone please HELP!
> >
> >Daneyon
> >
> >
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