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Plink and HP Switches

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Pourl
Frequent Advisor

Plink and HP Switches

Hi all,

 

I try to create a Script that saves my config to a tftp server. I want to use plink, but if I write a character I get senseless character strings back:

 

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←[2J←[?7l←[3;23r←[?6l←[1;1H←[?25l←[1;1HProCurve J8770A Switch 4204vl
Software revision L.11.24

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 Computer Software clause at 52.227-7013.

         HEWLETT-PACKARD COMPANY, 3000 Hanover St., Palo Alto, CA 94303

←[24;1HPress any key to continue←[1;1H←[?25h←[24;27H←[2J←[?7l←[3;23r←[?6l←[24;27
H←[?25h←[24;27H←[?6l←[1;24r←[?7l←[2J←[24;27H←[1;24r←[24;27H←[2J←[?7l←[1;24r←[?6l
←[24;1H←[1;24r←[24;1H←[24;1H←[2K←[24;1H←[?25h←[24;1H←[24;1HLHG-HUB354# ←[24;1H←[
24;13H←[24;1H←[?25h←[24;13H

 

If I use plink to an Cisco Device everthing works fine...

And please dont tell me that PCM is able to save the configs...

Can somebody help me? Or do you know an alternate scriptable ssh-client.

2 REPLIES
Richard Brodie_1
Honored Contributor

Re: Plink and HP Switches

Well, these are not senseless character strings but good old fashioned ANSI escape codes. CSI (Escape [) 2J is clear screen, for example. Some vendors run their console in vt100 like mode, others a dumb tty. If you're using PuTTY rather than Plink it all works fine. Adding ANSI support is  however WONTFIXed in Plink http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/plink-terminal.html

 

RANCID, which is a config management program for routers, uses the hpuifilter tool to strip these codes. It wouldn't be hard to knock together something similar: a few regexps in Powershell or whatever your favourite scripting tool is, should soon see them off. Do you care about the output though if you are using TFTP, rather than parsing the console about as RANCID does?

 

The other option would be to poke about in the private MIBs rather than script a session. That would be more elegant but probably more work, and less portable. I hope that's not too close to telling you to use PCM.

 

 

 

 

Pourl
Frequent Advisor
Solution

Re: Plink and HP Switches

Hallo Richard,

 

thx for your reply.

I could make my script with Kitty. Now I can get all our Switches from whatsup gold Database and save periodcally the config to tftp.