[rancid] Re: New device on .cloginrc

Ryan West rwest at zyedge.com
Tue Apr 13 13:41:26 UTC 2010

> -----Original Message-----
> Sent: Tuesday, April 13, 2010 9:34 AM
> To: rancid-discuss at shrubbery.net
> Subject: [rancid] Re: New device on .cloginrc
> Hi, Marty.
> It sounds wrong, I suppose, because the Rancid is still running over
> other device perfectly.
> Then, I ran this:
> ----------------------
> /home/rancid/bin/clogin
> spawn telnet
> Trying
> telnet: Unable to connect to remote host: Connection refused
> spawn ssh -c 3des -x -l root
> ssh_rsa_verify: RSA modulus too small: 512 < minimum 768 bits
> key_verify failed for server_host_key
> Error: Couldn't login:
> ----------------------

Try googling the ss_rsa_verify output.  I imagine the device you're connecting to is rather old, you should try to run a 1024 bit key at the minimum.  I would recommend using a 2048 bit key if you can, but if it's an older device, be prepared to wait a while.  You may be able to change how RANCID connects to the device, but I think you would be off gen'ing a new key on the device instead.


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