All- Using the exact order that JF listed below it worked perfect and resolved my issue. I can now SSH to this device again.
Thanks. Jon Wolberg Systems Engineer Virtacore Systems Inc. "We Virtualize IT!" ----- Original Message ----- From: "jf" <[email protected]> To: "Jon Wolberg" <[email protected]> Cc: [email protected] Sent: Monday, August 10, 2009 12:42:00 PM GMT -05:00 US/Canada Eastern Subject: Re: [c-nsp] SSH no longer functions after hostname change We experienced this problem on a 3550 12g several years ago. We solved it by temporarily changing the configured hostname back, zeroing the key, changing the hostname again, and regenerating. Jon Wolberg wrote: > Hello- > > We recently changed some of our hostnames on various legacy switches to > follow our naming convention, and after one change I can no longer SSH to the > switch. > > I get the below errors on the console with debug ip ssh client running: > > Aug 10 11:23:44 EST: SSH5: sent protocol version id SSH-2.0-Cisco-1.25 > Aug 10 11:23:44 EST: SSH5: protocol version id is - SSH-2.0-OpenSSH_4.3 > Aug 10 11:23:44 EST: SSH2 5: RSA_sign: private key not found > Aug 10 11:23:44 EST: SSH2 5: signature creation failed, status -1 > Aug 10 11:23:44 EST: SSH5: Session disconnected - error 0x00 > > I zero'ized the old keys and re-generated as well as set the hostname back to > the original and zero'ized and re-generated to no avail. Nothing shows up on > Google and I can find no errata related to SSH access on the version of code > we are running. > > Has anyone encountered this before? This is a 3750 running 12.2(44)SE2 > > > Jon Wolberg > Systems Engineer > Virtacore Systems Inc. > "We Virtualize IT!" > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
