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| Warfare 2004-08-05, 11:14 am |
| hello folks
I have been tinkering with my 2500 home lab. I was trying to practice password recovery using console port, hyper terminal, cisco 2501 according to the cisco website.
I have used the control-break sequence but nothing appears on screen , and later I get "Pres RETURN to get started"
and it pormpts me for the password.
I dont remember changing much in the config lately
except the following lines:
logging synchronous
exec-timeout 0 0
transport input none
I cant see router boot messages anymore. and no messages will be displayed on the screen after configuring and exiting with ctrl Z or when a link goes up/down
Any hints? | |
| Mat P 2004-08-05, 12:03 pm |
| I don't know what you've done but it sounds good!! Though not for you!!
I trust you remember what the password is - you didn't just hit the keys?? What happens when you login?? | |
| forbesl 2004-08-05, 1:19 pm |
| quote:
Originally posted by Warfare
I cant see router boot messages anymore. and no messages will be displayed on the screen after configuring and exiting with ctrl Z or when a link goes up/down
Any hints?
You have console logging turned off. Input "logging console" in global configuration mode to turn it back on. | |
| Warfare 2004-08-05, 3:33 pm |
| I have tried "logging console" in global config, "no logging synchronous" on line console 0
I cant see that the messages have been logged and ignored (not displayed on console). | |
|
| As you can get into the router why not just erase the config and start again??
Paste your config here and let us have a look. | |
|
| Post a show ver as well - You can do all sorts by changing the config register, you may have changed it to the wrong value. One of the things you can do is turn off the Cisco jargon. | |
| Warfare 2004-08-06, 9:45 am |
| Alpha#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-I-L), Version 12.0(14), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Tue 31-Oct-00 23:59 by linda
Image text-base: 0x0302F438, data-base: 0x00001000
ROM: System Bootstrap, Version 11.0(10c), SOFTWARE
BOOTFLASH: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c), RELEASE SOFT
WARE (fc1)
Alpha uptime is 0 minutes
System restarted by power-on
System image file is "flash:c2500-i-l.120-14"
cisco 2500 (68030) processor (revision N) with 6144K/2048K bytes of memory.
Processor board ID 26600152, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY) | |
| Warfare 2004-08-06, 9:47 am |
| Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Alpha
!
enable secret 5 $1$b6XP$k/6fztaiUNRN3BzOL/LYo0
enable password 7 00071A150754
!
ip subnet-zero
ip name-server 192.168.0.1
!
!
!
interface Ethernet0
description connected to ADSL Router
ip address 192.168.0.10 255.255.255.0
no ip directed-broadcast
!
interface Serial0
description connected to Omega
ip address 192.168.2.1 255.255.255.0
no ip directed-broadcast
encapsulation ppp
clockrate 64000
!
interface Serial1
no ip address
no ip directed-broadcast
shutdown
!
router rip
version 2
network 192.168.0.0
network 192.168.2.0
no auto-summary
!
ip classless
!
snmp-server community SLINGE RO
!
line con 0
exec-timeout 0 0
password 7 13061E010803
login
transport input none
line aux 0
password 7 045802150C2E
login
line vty 0 4
password 7 13061E010803
login
!
end | |
| Warfare 2004-08-06, 9:50 am |
| I tried to turn on Logging console, like forbes already said, and also disabled logging syncrhonous on the console.
I didn't touch the config register yet. and no I didn't lose the password. I was just practicing password recovery using CTRL-BREAK and console port. | |
| Mat P 2004-08-06, 10:55 am |
| Cheers - unfortunately the one line of the show ver we needed to check - the config register isn't shown.
You say you didn't change it, so it's still at 0x2102??
Bit 7 turns off bootup messages.
http://makeashorterlink.com/?R26226DF8
I don't think the config's the issue, I just wanted to double check. If it was your config then any configuration commands wouldn't come into effect until the router had booted up, but yours is displaying these symptoms before that. | |
| forbesl 2004-08-06, 11:05 am |
| Like Mat said...post a "sh ver" output.
Also, a good practice is to remove all password references and snmp community strings references in your config before posting it. Just a suggestion. | |
| Mat P 2004-08-06, 11:11 am |
| And when entering your password don't forget your second letter is lower case (i) the others are all uppercase.
I'm assuming your "secret" password is the same as your encrypted "enable" password.
Theyre that easy to crack!! | |
| Warfare 2004-08-06, 11:55 am |
| I forgot the last line. excuse me my mistake:
Configuration register is 0x2102
refering to the site you posted. I found out the following about 0x2102 config register:
- Ignores break
- Boots into ROM if initial boot fails
- 9600 console baud rate default value for most platforms
Thanks for reminding me about my snmp and password info. I didnt consider it significant because it's just a home lab, not live router on the internet with sensitive passwords. thepassword is cisco even!
But I will remember that advice for later.
After making changes to the router, I always try rebooting first if it doesnt work then double check the configs.
I set the level of logging console to 7 "debugging". I will tinker around with it and see | |
| Mat P 2004-08-06, 12:12 pm |
| The cracker program I used reckons its CiSCO with the i lower case.
The config register is fine for normal bootup - I think I'm losing the plot though, I thought 2102 allowed you to break into ROMMON - I don't have any kit handy right now.
I found a link for troubleshooting the break sequence.
http://www.cisco.com/warp/public/701/61.html
As for not having the boot messages - I'm frazzled a whole day of doing nothing in work really doesn't help the brain, I'm out of ideas - i'll have a think over a pint tonight!! | |
| forbesl 2004-08-06, 12:20 pm |
| Are you using a laptop to console into the router? If so, try "FNCT-BREAK" or "FNCT-CTRL-BREAK" instead of CTRL-BREAK". If not, play around with different combinations using ALT, CTRL, BREAK keys. For some reason some keyboards act differently. | |
| Warfare 2004-08-06, 12:30 pm |
| I already tried that paper "Standard Break Key Sequence Combinations During Password Recovery"
I changed the config register to 2120 now to be able to boot into rommon, and that mode as the cisco site says, doesnt ignores break.
http://www.cisco.com/en/US/products...r />
493f.shtml
/*EDITED:
Using a multimedia UK keyboard with this pc . you might have a point about keyboard laysouts. I will experiment with that
*/
Now i am having even more troubles after tinkering with the config register, cant see antyhing or a login prompt at all. no telnet available either.
I think I rushed into password recovery and config registers. I just started semster 2, setting hostnames, configuring rip and interfaces.
well now I think i will jump into the troubleshooting part instead of initial configuration of a router hahah 
I think am learning more this way | |
| Mat P 2004-08-06, 12:58 pm |
| I'll let you learn on this one - the link does tell you what you have changed - I'm around till 7 - if you run out of ideas let us know.
Examnotes isn't too good with links - the formatting was lost, I've reposted your link
http://makeashorterlink.com/?R26226DF8 | |
| Warfare 2004-08-06, 1:07 pm |
| Thanks mat and forbes
I will try this on my own now and let you know what i come up with. |
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