Oh yes, those corrupted cookies!
You're lucky today, I've found the way to fix a corrupted cookie just by
googleing, but sometimes what you find may look hard to understand, so I can
make it simplier for you, I've wrote a vbs script that can be used from within
a SecureCRT to recover that corrupted cookie ,just copy/paste this text below,
save it as whatever.vbs , you need to first connect to the router with console,
reach the rommon> and only then run this script.
When the script finishes, just type "reset" at the router's command prompt. Et
voila! If you want a plain text list of the commands you need to enter, one by
one, just scroll down after the script.
==== CUT BELOW HERE =====
#$language = "VBScript"
#$interface = "1.0"
Sub Main()
crt.Screen.Synchronous = True
Dim nAnswer
szMessage = vbTab & "Please be sure to run this script " & vbcr & _
vbTab & "ONLY after you've got into rommon> " & vbcr & _
vbTab & "prompt and ONLY on a router " & vbcr & _
vbTab & "with a missing or corrupted cookie ! ! ! " & vbcr & _
vbTab & "Are you sure you want to continue? "
nAnswer = MsgBox(szMessage, vbYesNo, "Run Commands Prompt")
If nAnswer = vbYes Then
Crt.Screen.Send "priv" & vbcr
Crt.Screen.WaitForString "assword:"
Crt.Screen.Send "0000" & vbcr
Crt.Screen.WaitForString ">"
Crt.Screen.Send "cookie" & vbcr
Crt.Screen.WaitForString "ersion:"
Crt.Screen.Send "01" & vbcr
Crt.Screen.WaitForString "0x01):"
Crt.Screen.Send "01" & vbcr
Crt.Screen.WaitForString "ddress:"
Crt.Screen.Send "00 04 27 fe 00 ea" & vbcr
Crt.Screen.WaitForString "0x3e):"
Crt.Screen.Send "3e" & vbcr
Crt.Screen.WaitForString "0x00):"
Crt.Screen.Send "00" & vbcr
Crt.Screen.WaitForString "0x01):"
Crt.Screen.Send "01" & vbcr
Crt.Screen.WaitForString "nused:"
Crt.Screen.Send "ff" & vbcr
Crt.Screen.WaitForString "ID:"
Crt.Screen.Send "01 ff" & vbcr
Crt.Screen.WaitForString "llocated:"
Crt.Screen.Send "00 00" & vbcr
Crt.Screen.WaitForString "0x17:"
Crt.Screen.Send "00 00 00 00 00 00 00 00" & vbcr
Crt.Screen.WaitForString "0x22:"
Crt.Screen.Send "4a 41 44 05 42 30 39 ff ff 03 01" & vbcr
Crt.Screen.WaitForString "eviation:"
Crt.Screen.Send "6f e6" & vbcr
Crt.Screen.WaitForString "0x2c:"
Crt.Screen.Send "00 00 00 00 ff ff ff 50" & vbcr
Crt.Screen.WaitForString "onfig:"
Crt.Screen.Send "04" & vbcr
Crt.Screen.WaitForString "0x31:"
Crt.Screen.Send "49 11 ec 03" & vbcr
Crt.Screen.WaitForString "ddress:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x3f:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x47:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x4f:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x57:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x5f:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x67:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x6f:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x77:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
Crt.Screen.WaitForString "0x7f:"
Crt.Screen.Send "ff ff ff ff ff ff ff ff" & vbcr
MsgBox "The script has finished", vbOKOnly
Else
MsgBox "The script was cancelled", vbOKOnly
exit Sub
End If
crt.Screen.Synchronous = False
End Sub
==== END CUT =====
Here's the plain text lsit of commands:
rommon 1>cookie
! If all 0 then:
rommon 2>priv
Password:0000
rommon 3>cookie
And then answer each question with these lines, one by one respectively:
01
01
00 04 27 fd 7c 0c
3e
00
01
ff
01 ff
00 00
00 00 00 00 00 00 00 00
4a 41 44 05 31 30 35 4e 310801
00 00
00 00 00 00 ff ff ff 50
06
49 11 ec 06
ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
rommon 4>reset
Hope this helps!
Ziv
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Emre T?rkmenler
Sent: Monday, May 12, 2008 1:37 PM
To: [email protected]
Subject: [c-nsp] cisco 828 "WARNING: Cookie information is corrupt"
Hi,
I have a Cisco 828 Router and I'm receiving a "WARNING: Cookie information is
corrupt" message and the router can't boot,I can only reach the Rommon mode.
How can I solve this problem?
Thanks
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