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Copy FTP flash comand fails on 3725 and 3745

routerman (TechnicalUser)
3 Oct 03 7:22
I'm used to using the copy ftp flash command to load IOS images onto routers, but this process fails on both the 3725 and 3745 routers.

I use:

ip ftp username a
ip ftp password a
no ip ftp passive

This works with my FTP client on any Cisco router that supports the copy ftp flash command apart from these new boxes. I've tried using the FTP passive mode as well, no joy.

Has anyone else used this feature, if so what FTP server did you use?
Andyleates (TechnicalUser)
3 Oct 03 9:24
You do of course mean copy tftp flash? Not ftp?

Andy Leates MCSE CCNA MCP+I

routerman (TechnicalUser)
3 Oct 03 10:52
No, I mean copy FTP flash, its a far quicker way of transferring IOS images onto a router. I'm not sure when support for this feature was introduced, but it sure beats waiting around for a TFTP upload.

Try enter the command on one of your routers.

I've now had 3 3725 routers and last night I tried this on a 3745, the FTP transfer starts but then I get a protocol error.
Andyleates (TechnicalUser)
3 Oct 03 10:56
Well, f**k me with a fish fork. I would have bet my house on you meaning TFTP!

SHGTSSXXROCI353#copy ?
  /erase          Erase destination file system.
  flash:          Copy from flash: file system
  ftp:            Copy from ftp: file system
  null:           Copy from null: file system
  nvram:          Copy from nvram: file system
  rcp:            Copy from rcp: file system
  running-config  Copy from current system configuration
  startup-config  Copy from startup configuration
  system:         Copy from system: file system
  tftp:           Copy from tftp: file system
  xmodem:         Copy from xmodem: file system
  ymodem:         Copy from ymodem: file system

Andy Leates MCSE CCNA MCP+I

routerman (TechnicalUser)
3 Oct 03 12:51
Hmm, I should have considered my reply more carefully, could have done a nice deal there:)

When this works its brill, but when I tried it on my first 3725 I ended up deleting the entire flash contents and had to re-install the IOS through the serial port, arrrgh!!

I've even taken a sniffer trace of the failure, seems like Cisco have introduce a new `feature' into the FTP copy process, nice of them.
spudnuts (TechnicalUser)
4 Oct 03 23:22
isn't that typical of Cisco?....lol

SpudNuts(ITC), USN(Ret), CCNA, BSCI, BCRAN, CST

eurobadger (TechnicalUser)
6 Oct 03 6:56
Hi

I have used FTP transfers on 3600 series routers where the IOS is large, but not on 37xx. It is necessary because of a filesize limit of 16MB on tftp transfers. I am not sure if this is a general limitation, or just an issue with the Cisco tftp server, which they no longer support.

I use a free combined ftp/tftp server from 3Com, works fine as long as you remember the no ip ftp passive, which is not mentioned in the documents on CCO.


EB
routerman (TechnicalUser)
7 Oct 03 5:31
Hi EB,  I'll try that FTP server. I'm using Chameleon Ver 8.00 from Netmanage, works fine with all routers apart from these new one's.

I think its down to duff programming in the code on these routers, but now that I've said as much I'm sure I'll be proved wrong.

As for the `no ip ftp passive' I came across that one as well, Cisco dont make it easy for us do they?
TimRegester (TechnicalUser)
7 Oct 03 6:05
The program is called 3cdaemon. It also does a good job of syslogging.

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