[afnog] Cisco 7609 sup32 password recovery

[Frank A. Kuse]

Hi Mark,

I did the following as you suggested and below is the latter part of the
boot sequence which still gives me a username prompt.

Rommon 1> confreg 0x2142
Rommon 2> boot

----------------------------------------------------------------------------
-------------
cisco CISCO7609 (R7000) processor (revision 1.2) with 458752K/65536K bytes
of memory.
Processor board ID FOX1201G7Q7
R7000 CPU at 300Mhz, Implementation 0x27, Rev 3.3, 256KB L2, 1024KB L3 Cache
Last reset from power-on SuperLAT software (copyright 1990 by Meridian
Technology Corp).
X.25 software, Version 3.0.0.
Bridging software.
TN3270 Emulation software.
1 Virtual Ethernet/IEEE 802.3 interface
21 Gigabit Ethernet/IEEE 802.3 interfaces 1915K bytes of non-volatile
configuration memory.

65536K bytes of Flash internal SIMM (Sector size 512K).
ICMP redirect is disabled on interfaces with secondary IP address


Press RETURN to get started!


00:01:15: STDBY: RP: Currently running ROMMON from S (Gold) region
00:01:16: %SPANTREE-STDBY-5-EXTENDED_SYSID: Extended SysId enabled for type
vlan
00:02:08: %PM-STDBY-4-INT_FAILUP: GigabitEthernet5/9 failed to come up. No
internal VLAN available
00:02:08: %PM-STDBY-4-INT_FAILUP: GigabitEthernet5/9 failed to come up. No
internal VLAN available
00:02:13: %SYS-STDBY-5-RESTART: System restarted -- Cisco Internetwork
Operating System Software IOS (tm) s3223_rp Software
(s3223_rp-ADVIPSERVICESK9_WAN-M)

User Access Verification

Username: , Version 12.2(18)SXF13, RELEASE SOFTWARE (fc1) Technical Support:
http://www.cisco.com/techsupport Copyright (c) 1986-2008 by cisco Systems,
Inc.
Compiled Wed 13-Feb-08 23:45 by kellythw
00:02:13: %MFIB_CONST_RP-STDBY-6-REPLICATION_MODE_CHANGE: Replication Mode
Change Detected. Current system replication mode is Ingress
Username: 
% Username:  timeout expired!
% Authentication failed.

Username:

-------------------------------------------------------------------
Any ideas ?

Regards,

Frank

>-----Original Message-----
>From: Mark Tinka [mailto:mtinka at globaltransit.net]
>Sent: Tuesday, August 11, 2009 9:00 AM
>To: Frank A. Kuse
>Cc: afnog at afnog.org
>Subject: Re: [afnog] Cisco 7609 sup32 password recovery
>
>On Tuesday 11 August 2009 04:10:35 pm Frank A. Kuse wrote:
>
>> In my attempt to break into a Cisco 7609 sup32 router, when typing
>> confreg 0x2142 in the rom monitor and boot, it reset itself back to
>> 0x2102.
>
>Rather than doing a 'reset', try booting the RP after modifying the
>config-register, i.e., 'boot'.
>
>Cheers,
>
>Mark.