Cisco WAN :: 2821 / IOS Image Automatically Erased From Flash?
Sep 15, 2012
I have a cisco 2821 Router , it was operating fine but for the past 2 days its having a weird problem.During operation suddenly the connection is lost and when checked through console there is no IOS image on the Router (all configuration is erased and the router boots up in rommon mode and there is no IOS on dir Flash:I installed ios on it through tftp but again after some random time the IOS is automatically erased from flash i checked the config register value and its fine at 0x2102.
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Sep 25, 2012
I need to upgrade the compact flash memory on a 2821 router from 64 to 128, upgrade the ios, and re-script the router. So I'm wondering what is the correct sequence? With the router powered on, do i eject the existing flash, and install the new one or do I power down the router? Once the memory has been increased, then i can upload the new ios?
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Dec 22, 2012
I purchased a used AIR BR1310G-A--K9-R from a local high school that was rebuilding their athletic field. The AP was used for communications for their pressbox staff. The AIR BR1310G was part of the schools campus wide WiFi network and was upgraded to an lwapp image c1310-k9w8-m 12.4 3c JA. Our home sits on a large lot and I would like to convert the BR1310G back to an autonomous AP.
In order convert it back to an automonous AP, I will need the original image. The school used a contractor for their WiFi network and they do not have a backup of the original image. I do not have a service account with Cisco so downloading the autonomous image from the Cisco website is out. What are my options for either obtaining an image file or using the current managed image without a WLC?
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Jun 23, 2011
I have a PIX 501 and I am looking to download an OS as my current image is corrupt and the PIX will not boot. Where I can download the O/S from so I can tftp it across to the router.
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May 28, 2012
I have a cisco 2821 router configured as a CME version 7.1. Now I want to upgrade the IOS to version 15 to get a CME version 8.6 but I faced a problem that the flash of the 2821 is 64MB and the IOS version 15 required flash 128MB. I tried to replace this flash with another 128MB installed on Cisco 2811 router but when I installed the 128MB flash on the 2821 CME the 2821 didn't boot from it.
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Oct 24, 2012
I have a Cisco 7204 vxr router that does not have a valid image on the boot flash or on the pcmcia card (disk 2). I tried everything i could to try and get the router to recognize the flash but it keeps giving me a magic card error. I'm losing my mind slowly but surely.
The router boots into Rommon every time and the Rommon options for this router are horrible. No tftpdnld option. Can I get this router to boot from tftp, from Rommon?
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Mar 11, 2012
I am sitting on Internet and want to copy IOS Image to router. I can SCP, itu authenticated to Router but ends with a message "host is not communicating for more than 15 seconds".
Router : Cisco 2821
Current IOS: (C2800NM-ADVENTERPRISEK9-M), Version 12.4(24)T1.
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Jun 19, 2012
I have two Routers (C1812 & C1841) each having different version of IOS images. I was wondering if its possible to copy IOS image from flash of one Router and use it to upgrade another.
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Oct 3, 2012
I have Cisco 2600 series Router which has only 32 MB flash memory. I tried to load IOS image in that but image size is 29 Mb in compressed form. The minimum i found is 5 MB in compressed form but it is missing so many commands. that in 32 MB flash, how can I load image which has almost all the commands.
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Nov 1, 2011
I have an ASA 5520, currently running version 7.25-k8. I'm preparing for an upgrade to version 7.25(4), so I transferred the software code (obtained via Cisco download) to the firewall vis SCP. I then issued the "verify flash:asa725-k8.bin" and it fails. It comes back with the error that the CRC did not verify, Data Integrity has been compromised". My first thought was the image did not copy correctly, so I deleted it and transferred it again. I got the same error. Then I decided to run a verify against the actual current code that was running on the firewall, and it came back with the same error. I don't understand what the problem is. I don't tend to think it's an SSH key related problem, as the method I use to access the firewall is via SSH and I have no problems. Worth noting,this firewall is part of an active/standby pair, and I observe the same behavior on the failover unit, it fails to verify.
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Jan 6, 2013
I've had occasional issues with 5505 upgrades going south when the boot hangs on the image load due to a corrupt image. I need a way to validate the checksum of the new image after it is copied to flash. Remote upgrades become a real pain when you have to go onside just to delete an image, copy it into flash again, and boot.
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Mar 27, 2011
Yesterday on 26 march all of a sudden my 2250 emails from hotmail@live.com was erased.I donot know why or how.I have always have problem.So many times my emails have been erased.
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Aug 22, 2012
My EA4500 will periodically clear out the DHCP Client Table and I will lose internet access.This happens once almost every day, normally in the morning. If I can't access the internet I will check the DHCP client table under Status -> Local Network -> DHCP Client Table and it is always empty.After I select Setup -> Reboot it will work again - when I look at the DHCP client table it is now populated with all my devices. I am on firmware version 2.0.37.
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Feb 26, 2012
Trying to copy the system image file from the sup-bootflash to a new 64MB ATA flash card. Yes the software can support the 64MB card.
The ATA flash card was formated successfully, however I cannot copy the system image to it so that it can boot after a power loss.
The command I tried was: console(enabled) copy sup-bootflash: slot0:
The source filename was typed in as shown in the Show Verison command.The result was: Error opening slot0: no such device.I suspect that I am missing something obvious as I am new to Cisco Switches.
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Feb 9, 2012
I'm have upgraded our ASA5510's from 7.0.8 to 8.4.3 and now I just need to do the ASDM, but get this error? The bin file has been uploaded: [code] Device Manager image set, but not a valid image file disk0:/asdm-647.bin.
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Oct 10, 2011
I'm looking at adding a Cisco 3750-X switch running c3750e-universalk9-mz.122-55.SE1 (IP base license) into a stack of 3750-G switches running c3750-ipbasek9-mz.122-55.SE1.bin Given that the version and feature sets are the same I don't forsee any compatibility issues. Would there be any reason why a universal image wouldn't stack correctly with other switches running the single .bin file?
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Jul 19, 2011
I am using TFTPD32 to upgrade the IOS on a router. When I type in the commands copy tftp flash and enter all the necessary information, the router sits for a minute or so and then times out. There is no entry made in the log when it times out. copy flash tftp yields the same result. The fa 0/0 interface and the TFTP server are both on the same subnet and can successfully ping one anothe
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Aug 3, 2012
First some info:
System image file is "flash:c800-universalk9-mz.SPA.152-4.M1.bin"
Cisco C819HG+7-K9 (revision 3.0) with 492620K/31667K bytes of memory.
[code]....
The strange thing is....I have a running-config if i ssh to it. but according to my flash: there is only my IOS.BIN. How is that working?
Where the latest working image can be found. because Cisco states the the one right now i the right..but still i cant see cellular 0 in CCP
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Aug 15, 2011
what physically distinguished NVRAM from EEPROM (flash)? What type of memory is used for "firmware"
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Feb 9, 2011
I am looking around hwo to know the flash and ram installed in WLC 4402? try looking any command, sh ver not there. even in WCS.
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Oct 1, 2012
Is it possible to upgrade the flash on the 3750's? We have the older 3750 (WS-C3750-48P-S) only has 15998976bytes flash...
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Jan 15, 2011
I erased my flash and cannot locate an IOS that will fit on my 2610 router, I was running 11.3(7), but cannot locate anything even close.
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Sep 4, 2012
I have a 3725 router and would like to upgrade the slot:0 compact flash to a higher capacity. My question is, I can just pick up a 4GB compact flash card from walmart, or do I have to have a card from Cisco?
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Dec 6, 2011
I have router cisco 2821 wit IOS version 12.4(25d) I also have Cisco AIM-VPN/SSL-2 Encryption Module for this router.I inserted this module in AIM slot 0 but can not see it. [code] What should I have to change to enable this module?
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Mar 27, 2013
I have an existing C2821 router (2 onboard GE + 1 HWIC-2FE) currently. Like to add another 1 HWIC-2FE. Saw this doc on Cisco website which states Max of 2 HWIC-2FE for Cisco2821. Want to confirm this is indeed so as another link states max of 1 HWIC-2FE.
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Jan 19, 2013
I have configured Clientless SSL VPN on 2821 router with IOS12.4//Its running fine and I am able to open local portals I have mentioned in the SSL URL List.
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Jun 24, 2011
How to set up time automatically in DI-624. I know that is old, but I need to syncro with an NTP.
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Jan 9, 2013
My bootvar is set to boot up images from disk0. The 6500 series switch has two redundant supervisors.Each supervisor has a PCMCIA card with the exact same IOS images in the 0 slot. The secondary supervisor is given the disk name slavedisk0 and the primary is simply disk0
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Mar 20, 2013
is it possible that a public IP can be automatically routed to another public ip.For example I have two routers A and B. router B has a LanB in 10.0.0.0 network and the public ips are in the x.x.x.0 for internet access. router A is located at a remote location and has a public ip of y.y.y.0 network.
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May 6, 2012
How can I configure the CiscoWorks to automatically update the config files when a configuration change occurs.
Like in LMS 2.1:
Resource Manager Essentials > Administration > Configuration Management > General Setup
Change Probe Setup
Listen to Syslog Messages
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Jun 13, 2012
I want to upload flash from a sever, as if I was uploading with flash, instead of a browser. I was told something about rfc..(Flash download request)Anyways, is their any sites, etc, that I can use?
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Feb 5, 2011
I run a DIR-825 as an access point on my home network and I upgraded the firmware from 2.03Na to 2.05NA and it looks like it was a poor flash. Orange Amber power light, no wireless radios, unable to access it via its configured ip or default (192.168.0.1). It will not respond to pings, give arps, or obviously the web browser session.Is there any way to reflash these things manually or do I have to send it in?
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Aug 4, 2011
cant format compact flash, 512MB,at boot is says
Loading disk0:/asa841-51-k8.bin... Booting...
Platform ASA5510
Loading...IO memory blocks requested from bigphys 32bit: 13008 dosfsck 2.11, 12 Mar 2005, FAT32, LFN
here ---> Currently, only 1 or 2 FATs are supported, not 64.
dosfsck(/dev/hda1) returned 1
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
open /dev/hdb1:No such file or directory
dosfsck(/dev/hdb1) returned 1
mount: mounting /dev/hdb1 on /mnt/disk1 failed: No such file or directory
mount: mounting /dev/hdb1 on /mnt/disk1 failed: No such file or directory Processor memory 868220928, Reserved memory: 62914560
what does this mean?Currently, only 1 or 2 FATs are supported, not 64.
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