[c-nsp] Slow IOS transfers on 2811

John Neiberger jneiberger at gmail.com
Thu Jun 1 11:26:25 EDT 2006


On 6/1/06, Higham, Josh <jhigham at epri.com> wrote:
> > I've got a brand new 2811 under my desk running 12.4(7) and
> > I'm trying to load 12.4(8) onto it. It has 64 MB of ATA
> > compact flash. I'm noticing that file transfers to the router
> > are REALLY slow, and the TFTP server is on the same LAN as
> > the router. I've tried FTP and I also tried a different TFTP
> > server (my own PC) and I get the same
> > result: painfully slow file transfers. I'd grow a beard in
> > the time it takes to transfer an IOS image this big, when it
> > should only take a few moments on a LAN.
>
> Try to transfer a file between onboard flash and the flash disk to
> isolate the speed issue.
>
> I recently opened a case with new 4500 SupII+ modules where it took 70
> minutes to format the flash and all file operations were extremely slow
> (dir listing took about 20 seconds).  The same flash worked fine in a
> 6500 with sup720.
>
> This was with generic flash; I have approved flash on order to see if
> that fixes the problem, but as it stands the removable media is not
> usable.
>
> Has anyone else seen anything like this?

This router doesn't seem to have any other flash locations available.
A dir listing doesn't seem to take long at all on this one. It's just
the file transfers are extremely slow. We're about to put this router
into production and I'm worried that something might be wrong with the
flash.

Thanks,
John


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