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Beginner

after power failure SSH does not work

Hi all,

We had power failure catalyst 6509 and after the device boot up ssh does not work any more 

below is error messages

Any ideas?

thank you

line con 0

access-class 90 out

logging synchronous

line vty 0 4

access-class 90 in

exec-timeout 60 0

logging synchronous

transport input telnet

transport input ssh

transport output telnet

line vty 5 15

access-class 90 in

exec-timeout 60 0

logging synchronous

transport input ssh

transport output ssh

! line con 0
access-class 90 out
logging synchronous
!

------------------ show version ------------------

Cisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXI3, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Tue 27-Oct-09 11:11 by prod_rel_team

ROM: System Bootstrap, Version 12.2(17r)SX5, RELEASE SOFTWARE (fc1)

G-L-L0.10-1-CS01 uptime is 1 week, 21 hours, 17 minutes
Uptime for this control processor is 1 week, 21 hours, 14 minutes
Time since G-L-L0.10-1-CS01 switched to active is 1 week, 21 hours, 13 minutes
System returned to ROM by  power cycle at 16:55:08 MESZ Fri May 14 2010 (SP by power on)
System restarted at 12:28:15 UTC Tue Nov 20 2012
System image file is "sup-bootdisk:s72033-advipservicesk9_wan-mz.122-33.SXI3.bin"
Last reload reason: Reason unspecified

cisco WS-C6509-E (R7000) processor (revision 1.4) with 458720K/65536K bytes of memory.

         

error messages in log:

Nov 27 20:01:09.364 UTC: SSH2 6: RSA_sign: private key not found

Nov 27 20:01:09.364 UTC: SSH2 6: signature creation failed, status -1

Nov 27 20:01:10.060 UTC: SSH2 5: RSA_sign: private key not found

Nov 27 20:01:10.060 UTC: SSH2 5: signature creation failed, status -1

Nov 27 20:01:10.692 UTC: SSH2 5: RSA_sign: private key not found

Nov 27 20:01:10.692 UTC: SSH2 5: signature creation failed, status -1

Everyone's tags (4)
3 REPLIES 3
Advisor

after power failure SSH does not work

Try zeroizing then recreating the crypto key and see what happens .  Possibly the key got corrupted or blown away with the power outage.

Beginner

after power failure SSH does not work

Thank you ,

do you think following command would be enough?

crypto key zeroize rsa

(make changes)

crypto key generate rsa

(verify ssh then remove telnet) ?

Advisor

after power failure SSH does not work

  Yes , that would be the first thing I try .

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