Re: AS2511-RJ stuck in rommon

What you just described is changing the config register, that has nothing to do with putting a new IOS onto the flash. He loaded an IOS that will not run because the router doesn't have enough RAM to run it, thus booting into ROMMON.

On Sep 10, 2010, at 2:19 PM, Carlos G Mendioroz wrote:

> I guess this depends on the rom version you have in the 2500.
> Some (most that I have seen) do have an entire IOS on ROM, that you have
> to boot from in order to be able to rewrite the flash.
> 2500 are, as someone already said, run from flash beasts, and they
> are incapable of rewriting the flash if booted from there.
>
> I've seen IOS 9.1 or so in ROM versions, back in the 10.3 good old days.
> So run into rommon, choose rom load (o/r 0x....), reload and copy tftp
> flash: should do it. (may be erase/format it first).
>
> -Carlos
>
> Adrian Brayton @ 9/09/2010 22:17 -0300 dixit:
>> How do you put an IP address onto an interface even if you know the IP address of the TFTP server?
>>
>> If you can't do that and it will only boot into rommon, how do you start the transfer?
>>
>>
>> Sent from my iPad
>>
>> On Sep 9, 2010, at 8:54 PM, "Tyson Scott" <tscott_at_ipexpert.com> wrote:
>>
>>> Recover from the network. To do so use the command shown in the menu below,
>>>
>>> b <filename> TFTP <tftp-ip-address>
>>>
>>> Regards,
>>>
>>> Tyson Scott - CCIE #13513 R&S, Security, and SP
>>> Managing Partner / Sr. Instructor - IPexpert, Inc.
>>> Mailto: tscott_at_ipexpert.com
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>> Adrian Brayton
>>> Sent: Thursday, September 09, 2010 8:39 PM
>>> To: Narbik Kocharians
>>> Cc: David Prall; Aundra (Andre) Browning; Nathan Pease; Cisco certification
>>> Subject: Re: AS2511-RJ stuck in rommon
>>>
>>> It has to be done with x modem. The link that Brad gave are instructions for
>>> newer routers. The oldies like the 2500s and even 3620s, can't speak for the
>>> rest of the 3600 series don't have the TFTPDNLD option.
>>>
>>> Sent from my iPad
>>>
>>> On Sep 9, 2010, at 8:29 PM, Narbik Kocharians <narbikk_at_gmail.com> wrote:
>>>
>>>> rommon.
>>>>
>>>> On Thu, Sep 9, 2010 at 5:11 PM, David Prall <dcp_at_dcptech.com> wrote:
>>>>
>>>>> Definitely not xmodem. The 2500's know they have Ethernet ports, they are
>>>>> run from flash routers, so you can't overwrite the image when it is
>>>>> running,
>>>>> so they reboot and under rommon load the requested image, then boot it.
>>>>> From
>>>>> rommon you can load the image without issues. Brad Ellis gave
>>> instructions
>>>>> on how to do this via rommon.
>>>>>
>>>>> David
>>>>>
>>>>> --
>>>>> http://dcp.dcptech.com
>>>>>
>>>>>
>>>>>> -----Original Message-----
>>>>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>>>>> Aundra (Andre) Browning
>>>>>> Sent: Thursday, September 09, 2010 7:16 PM
>>>>>> To: Nathan Pease
>>>>>> Cc: Cisco certification
>>>>>> Subject: Re: AS2511-RJ stuck in rommon
>>>>>>
>>>>>> Not sure which version of code you are running on the 2511 as far as
>>>>>> rommon, etc but you should be able to xmodem the old image via the
>>>>>> console port.
>>>>>>
>>>>>> HTH.......
>>>>>>
>>>>>> Sent from my iPhone
>>>>>>
>>>>>> On Sep 9, 2010, at 12:36 PM, Nathan Pease <pease.nathan_at_gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> I was trying to do an ios upgrade on an older AS2511-RJ. Apparently
>>>>>> the ios
>>>>>>> version that I loaded is to big for this router to boot, it sees the
>>>>>> image
>>>>>>> and tries to load it, but then says insufficient memory and reboots.
>>>>>> I need
>>>>>>> to put the old ios image back on it but can't figure out how to do
>>>>>> this. If
>>>>>>> I send it a break during the reboot, I get the following menu and I
>>>>>> am not
>>>>>>> sure what to do from there. Does anyone have any insight on how to do
>>>>>> this?
>>>>>>>
>>>>>>> SYSTEM INIT: INSUFFICIENT MEMORY TO BOOT THE IMAGE!
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> %Software-forced reload
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Unexpected exception to CPU vector 34, PC = 31A9086
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> -Traceback= 31A9086 3190A3A 3192400 318CCEE 32983C4 3297BAA 31A54C8
>>>>>> 31A5546
>>>>>>> 30EDA82 30EDC78
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> === Flushing messages (00:00:12 UTC Mon Mar 1 1993) ===
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Buffered messages:
>>>>>>>
>>>>>>> Queued messages:
>>>>>>>
>>>>>>> 00:00:12: %SYS-3-LOGGER_FLUSHING: System pausing to ensure console
>>>>>> debugging
>>>>>>> output.
>>>>>>>
>>>>>>> 00:00:07: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up
>>>>>>> 00:00:07: %LINK-3-UPDOWN: Interface Serial0, changed state to down
>>>>>>> 00:00:12: %SYS-2-MALLOCFAIL: Memory allocation of 10000 bytes failed
>>>>>> from
>>>>>>> 0x318CCE6, alignment 0
>>>>>>> Pool: Processor Free: 0 Cause: Not enough free memory
>>>>>>> Alternate Pool: I/O Free: 1928 Cause: Not enough free memory
>>>>>>>
>>>>>>> -Process= "Init", ipl= 4, pid= 3
>>>>>>> -Traceback= 31909C6 3192400 318CCEE 32983C4 3297BAA 31A54C8 31A5546
>>>>>> 30EDA82
>>>>>>> 30EDC78
>>>>>>> System Bootstrap, Version 11.0(10c)XB1, PLATFORM SPECIFIC RELEASE
>>>>>> SOFTWARE
>>>>>>> (fc1)
>>>>>>> Copyright (c) 1986-1997 by cisco Systems
>>>>>>> 2500 processor with 2048 Kbytes of main memory
>>>>>>>
>>>>>>> %SYS-4-CONFIG_NEWER: Configurations from version 12.0 may not be
>>>>>> correctly
>>>>>>> understood.
>>>>>>> Loading flash:/c2500-c-l.122-29b.bin .
>>>>>>> Abort at 0x10E983C (PC)
>>>>>>>>
>>>>>>>>
>>>>>>>> help
>>>>>>> $ Toggle cache state
>>>>>>> B [filename] [TFTP Server IP address | TFTP Server Name]
>>>>>>> Load and execute system image from ROM or from TFTP
>>>>>> server
>>>>>>> C [address] Continue execution [optional address]
>>>>>>> D /S M L V Deposit value V of size S into location L with modifier
>>>>>> M
>>>>>>> E /S M L Examine location L with size S with modifier M
>>>>>>> G [address] Begin execution
>>>>>>> H Help for commands
>>>>>>> I Initialize
>>>>>>> K Stack trace
>>>>>>> L [filename] [TFTP Server IP address | TFTP Server Name]
>>>>>>> Load system image from ROM or from TFTP server, but do
>>>>>> not
>>>>>>> begin execution
>>>>>>> O Show configuration register option settings
>>>>>>> P Set the break point
>>>>>>> S Single step next instruction
>>>>>>> T function Test device (? for help)
>>>>>>>
>>>>>>>
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>
>>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>
>>>> --
>>>> Narbik Kocharians
>>>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>>>> www.MicronicsTraining.com
>>>> Sr. Technical Instructor
>>>> YES! We take Cisco Learning Credits!
>>>> Training And Remote Racks available
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>>
>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina

Blogs and organic groups at http://www.ccie.net
Received on Fri Sep 10 2010 - 14:36:06 ART