Example of Password Recovery Procedure The example below presents an actual password recovery procedure. We created this example using a Cisco 2600. Even if you are not using a Cisco 2600, this example will be almost exactly what you experience on your product.
Router> enable
PASSWORD:
PASSWORD:
PASSWORD:
% Bad Secrets
Router> Show Version
Cisco Internetwork Operating System Software
IOS (TM) C2600 Software (C2600-IS-M), Version 12.0 (7) T, Release Software (FC2)
Copyright (c) 1986-1999 By Cisco Systems, Inc.
Compiled TUE 07-DEC-99 02:21 by Phanguye
Image text-base: 0x80008088, Data-Base: 0x80c524f8
ROM: System Bootstrap, Version 11.3 (2) XA4, RELEASE SOFTWARE (FC1)
Router uptime is 3 minutes
System Returned to Rom by Abort AT PC 0x802D0B60
System Image File IS "Flash: C2600-IS-MZ.120-7.t"
Cisco 2611 (MPC860) Processor (Revision 0x202) with 26624k / 6144k bytes of memory.
Processor Board ID jab031202nk (3878188963)
M860 Processor: Part Number 0, Mask 49
Bridging software.
X.25 Software, Version 3.0.0.
Basic Rate Isdn Software, Version 1.1.
2 EtherNet / IEEE 802.3 Interface (s)
2 Serial (Sync / Async) Network Interface (s)
1 isdn Basic Rate Interface (s)
32k bytes of non-volatile configuration memory.
8192K BYTES OF Processor Board System Flash Partition 1 (Read / Write)
8192K BYTES of Processor Board System Flash Partition 2 (Read / Write)
Configuration Register IS 0x2102
Router>
! --- The Router Was Just PowerCycled and During Bootup A
! --- Break Sequence Was Sent to The Router.
!
*** SYSTEM Received An Abort Due To Break Key ***
Signal = 0x3, Code = 0x500, context = 0x813ac158
PC = 0x802d0b60, vector = 0x500, sp = 0x80006030
ROMMON 1> confreg 0x2142
You Must Reset or Power Cycle for New Config To Take Effectrommon 2> Reset
System Bootstrap, Version 11.3 (2) XA4, RELEASE SOFTWARE (FC1)
Copyright (c) 1999 by Cisco Systems, Inc.
Tac: Home: SW: ios: Specials for Info
C2600 Platform With 32768 KBYTES OF MAIN MAIN MEMORY
Program Load Complete, Entry Point: 0x80008000, Size: 0x6FDB4C
Self Decompressing the image: ##################################################
######################################################################################################################################################################################################################################################################################################## ############
######################################################################################################################################################################################################################################################################################################## ############
######################################################################################################################################################################################################################################################################################################## ############
######################## [ok]
Restricted Rights Legend
Use, duplication, or disclosure by the Government IS
Subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights Clause At Far Sec. 52.227-19 and Subparagraph
(c) (1) of the Rights in Technical Data and Computer
Software Clause At Dfars Sec. 252.227-7013.
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, California 95134-1706
Cisco Internetwork Operating System Software
IOS (TM) C2600 Software (C2600-IS-M), Version 12.0 (7) T, Release Software (FC2)
Copyright (c) 1986-1999 By Cisco Systems, Inc.
Compiled TUE 07-DEC-99 02:21 by Phanguye
Image text-base: 0x80008088, Data-Base: 0x80c524f8
Cisco 2611 (MPC860) Processor (Revision 0x202) with 26624k / 6144k bytes of memory.
Processor Board ID jab031202nk (3878188963)
M860 Processor: Part Number 0, Mask 49
Bridging software.
X.25 Software, Version 3.0.0.
Basic Rate Isdn Software, Version 1.1.
2 EtherNet / IEEE 802.3 Interface (s)
2 Serial (Sync / Async) Network Interface (s)
1 isdn Basic Rate Interface (s)
32k bytes of non-volatile configuration memory.
8192k bytes of processor Board System Flash Partition 1 (Read / Write) 8192K BYTES of Processor Board System Flash Partition 2 (Read / Write)
--- System Configuration Dialog ---
WOULD you like to enter the initial configuration dialog? [YES / NO]: N
Press Return To Get Started!
00:00:19:% LINK-3-UPDOWN: Interface Bri0 / 0, Changed State To Up
00:00:19:% LINK-3-UPDOWN: Interface Ethernet 0/0, Changed State To Up
00:00:19:% LINK-3-UPDOWN: Interface Ethernet0 / 1, Changed State To Up
00:00:19:% LINK-3-UPDOWN: Interface Serial0 / 0, Changed State To Down
00:00:19:% LINK-3-UPDOWN: Interface Serial0 / 1, Changed State To Down
00:00:20:% LineProto-5-Updown: Line Protocol on Interface Bri0 / 0,
Changed State to Down
00:00:20:% LineProto-5-Updown: Line Protocol on Interface Ethernet0 / 0,
Changed State to Up
Router>
00:00:20:% LineProto-5-Updown: Line Protocol on Interface Ethernet0 / 1,
Changed State to Up
00:00:20:% LineProto-5-Updown: Line Protocol on Interface Serial0 / 0,
Changed State to Down
00:00:20:% LineProto-5-Updown: Line Protocol on Interface Serial0 / 1,
Changed State to Down
00:00:50:% SYS-5-RESTART: System Restarted -
Cisco Internetwork Operating System Software
IOS (TM) C2600 Software (C2600-IS-M), Version 12.0 (7) T, Release Software (FC2)
Copyright (c) 1986-1999 By Cisco Systems, Inc.
Compiled TUE 07-DEC-99 02:21 by Phanguye
00:00:50:% LINK-5-Changed: Interface Bri0 / 0,
Changed State To Administrative Down
00:00:52:% LINK-5-Changed: Interface Ethernet0 / 0,
Changed State To Administrative Down
00:00:52:% LINK-5-Changed: Interface Serial0 / 0,
Changed State To Administrative Down
00:00:52:% LINK-5-Changed: Interface Ethernet0 / 1,
Changed State To Administrative Down
00:00:52:% LINK-5-Changed: Interface Serial0 / 1, Changed State To Administrative Down
00:00:53:% LineProto-5-Updown: Line Protocol on Interface Ethernet0 / 0,
Changed State to Down
00:00:53:% LineProto-5-Updown: Line Protocol On Interface Ethernet0 / 1,
Changed State to Down
Router>
Router> enable
Router # Copy Startup-config Running-Config
Destination FileName [Running-config]?
1324 BYTES COPIED IN 2.35 SECS (662 BYTES / SEC)
Router #
00:01:24:% LineProto-5-Updown: line protocol on interface bri0 / 0: 1,
Changed State to Down
00:01:24:% LineProto-5-Updown: Line Protocol on Interface Bri0 / 0: 2,
Changed State to Down
Router # Configure Terminal
ENTER Configuration Commands, One Per Line. End with CNTL / Z.
Router (config) #ENABLE SecR Cisco
Router (config) # ^ z
00:01:54:% SYS-5-Config_i: Configured from console by console
Router # show ip interface brief BRIEF
Interface IP-Address OK? Method Status Protocol
Ethernet0 / 0 10.200.40.37 Yes TFTP Administratively Down Down
Serial0 / 0 Unassigned Yes TFTP Administratively Down Down
Bri0 / 0 193.251.121.157 Yes Unset Administratively Down Down
Bri0 / 0: 1 Unassigned Yes Unset Administratively Down Down
Bri0 / 0: 2 Unassigned Yes Unset Administratively Down Down
Ethernet0 / 1 Unassigned Yes TFTP Administratively Down Down
Serial0 / 1 Unassigned Yes TFTP Administratively Down Down
Loopback0 193.251.121.157 Yes TFTP UP UP
Router # Configure Terminal
ENTER Configuration Commands, One Per Line. End with CNTL / Z.
Router (config) #interface ethernet0 / 0
Router (config-if) #no shutdown
ROUTER (config-if) #
00:02:14:% link-3-updown: interface ethernet0 / 0, Changed State to up00: 02: 15:% LineProto-5-Updown: Line Protocol on Interface Ethernet0 / 0,
Changed State to Up
Router (config-if) #interface bri0 / 0
Router (config-if) #no shutdown
ROUTER (config-if) #
00:02:26:% link-3-updown: interface bri0 / 0: 1, Changed State To Down
00:02:26:% LINK-3-Updown: Interface Bri0 / 0: 2, Changed State To Down
00:02:26:% LINK-3-UPDOWN: Interface Bri0 / 0, Changed State TO UP
00: 02: 115964116991:% ISDN-6-Layer2UP: Layer 2 for Interface BR0 / 0,
Tei 68 Changed to Up
ROUTER (config-if) # ^ z
Router #
00:02:35:% SYS-5-Config_i: Configured from console by console
Router # Copy Running-Config Startup-Config
Destination FileName [startup-config]?
Building configuration ...
[Ok]
Router # show Version
Cisco Internetwork Operating System Software
IOS (TM) C2600 Software (C2600-IS-M), Version 12.0 (7) T, Release Software (FC2)
Copyright (c) 1986-1999 By Cisco Systems, Inc.
Compiled TUE 07-DEC-99 02:21 by Phanguye
Image text-base: 0x80008088, Data-Base: 0x80c524f8
ROM: System Bootstrap, Version 11.3 (2) XA4, RELEASE SOFTWARE (FC1)
Router uptime is 3 minutes
System Returned to Rom by Abort AT PC 0x802D0B60
System Image File IS "Flash: C2600-IS-MZ.120-7.t"
Cisco 2611 (MPC860) Processor (Revision 0x202) with 26624k / 6144k bytes of memory.
Processor Board ID jab031202nk (3878188963)
M860 Processor: Part Number 0, Mask 49
Bridging software.
X.25 Software, Version 3.0.0.
Basic Rate Isdn Software, Version 1.1.
2 EtherNet / IEEE 802.3 Interface (s)
2 Serial (Sync / Async) Network Interface (s)
1 isdn Basic Rate Interface (s)
32k bytes of non-volatile configuration memory.
8192K BYTES OF Processor Board System Flash Partition 1 (Read / Write)
8192K bytes of processor board system Flash Partition 2 (Read / Write) Configuration Register is 0x2142
Router # Configure Terminal
ENTER Configuration Commands, One Per Line. End with CNTL / Z.
Router (config) # config-register 0x2102
Router (config) # ^ z
00:03:20:% SYS-5-Config_i: Configured from console by console
Router # show Version
Cisco Internetwork Operating System Software
IOS (TM) C2600 Software (C2600-IS-M), Version 12.0 (7) T, Release Software (FC2)
Copyright (c) 1986-1999 By Cisco Systems, Inc.
Compiled TUE 07-DEC-99 02:21 by Phanguye
Image text-base: 0x80008088, Data-Base: 0x80c524f8
ROM: System Bootstrap, Version 11.3 (2) XA4, RELEASE SOFTWARE (FC1)
Router uptime is 3 minutes
System Returned to Rom by Abort AT PC 0x802D0B60
System Image File IS "Flash: C2600-IS-MZ.120-7.t"
Cisco 2611 (MPC860) Processor (Revision 0x202) with 26624k / 6144k bytes of memory.
Processor Board ID jab031202nk (3878188963)
M860 Processor: Part Number 0, Mask 49
Bridging software.
X.25 Software, Version 3.0.0.
Basic Rate Isdn Software, Version 1.1.
2 EtherNet / IEEE 802.3 Interface (s)
2 Serial (Sync / Async) Network Interface (s)
1 isdn Basic Rate Interface (s)
32k bytes of non-volatile configuration memory.
8192K BYTES OF Processor Board System Flash Partition 1 (Read / Write)
8192K BYTES of Processor Board System Flash Partition 2 (Read / Write)
Configuration Register IS 0x2142 (Will BE 0x2102 At Next Reload)
Router #
