Cisco 2950 lost IOS after simple power down HELP!!!!

Posted on 2004-11-30
Medium Priority
Last Modified: 2008-01-09
   Today while working on a server in a client rack i restarted the power which reset the cisco 2950, then it just sits then blinking the stats light green and all ports are yellow. When i console in i get "switch:" I have no idea what its doing, I can't type in dir flash says permison denied so i don't know what to type in for the boot name or how to get it running again. I have to get this swtich back to the client by 7am eastern i am out of ideas HELP! Thank you for your time.
Question by:Accuson
  • 4
  • 3
LVL 28

Accepted Solution

mikebernhardt earned 2000 total points
ID: 12711743
Not sure why that happened, unless a specific version of software was specified in the config, which isn't in the flash. I would get on the console and
1. type flash_init
2. type dir flash: so you can then see what's in there, if anything.
3. If there's a good binary there, type "boot flash:[the binary name]"

Once it boots, type "show boot" to see if the switch is looking for something that isn't there. If it is, change it by typing, in config mode "boot system flash:[the good binary name]"

If there's nothing on flash and it won't boot, you'll need to tftp a new image on there. But you always have to type "flash_init" from the switch: prompt to use the flash.

Try rebooting the switch while you're on the console and watch the boot sequence, that will also give you good information about the problem.

Author Comment

ID: 12711779
Directory of flash:/

2    -rwx  1535      <date>               config.text
3    -rwx  5         <date>               private-config.text

7738368 bytes available (3072 bytes used)

Thats what i got so far i am trying to get one to load now no luck so far, i am very rusty in this area of cisco.... Thanks a million for the fast answer

Author Comment

ID: 12711801
C2950 Boot Loader (C2950-HBOOT-M) Version 12.1(11r)EA1, RELEASE SOFTWARE (fc1)                                                                              
Compiled Mon 22-Jul-02 17:18 by antonino                                        
WS-C2950-24 starting...                      
Base ethernet MAC Address: 00:11:5c:78:44:40
Xmodem file system is available.
Initializing Flash...
flashfs[0]: 2 files, 1 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 7741440
flashfs[0]: Bytes used: 3072
flashfs[0]: Bytes available: 7738368
flashfs[0]: flashfs fsck took 4 seconds.
...done initializing flash.
Boot Sector Filesystem (bs:) installed, fsid: 3
Parameter Block Filesystem (pb:) installed, fsid: 4
Loading ""...: permission denied

Error loading ""

Interrupt within 5 seconds to abort boot process.
Boot process failed...

The system is unable to boot automatically.  The BOOT
environment variable needs to be set to a bootable

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!


Author Comment

ID: 12711803
thats the console when the switch is restarting... this makes no sense the switch is maybe a month old.. brand new and all that happend was a restart. Thanks again for everyones help.
LVL 28

Expert Comment

ID: 12711831
You have no binary image in your switch. It's like booting a PC with no operating system. Something is weird, becasue it's looking for an empty image name. If you have access to a boot image, you can use xmodem to load a new one in. It will take forever but it will work. You can also use tftp to do it, but it's more complicated.

Please read the following Cisco lonk for full details:

Author Comment

ID: 12711859
I have no images here, I run a old cisco 2924 in my office and don't have access to another switch until its to late tommarow. I just don't get how this happend what caused it. What should i do from here? The switch is out of a medical facility...
LVL 28

Expert Comment

ID: 12719453
Did you buy the switch new and if so, how long ago? Your switch is licensed to have the version of software it came with if you bought it new. It comes with a warranty that may or may not be expired. I would talk to the vendor to get replacement software and failing that, talk to Cisco.

Featured Post

Concerto Cloud for Software Providers & ISVs

Can Concerto Cloud Services help you focus on evolving your application offerings, while delivering the best cloud experience to your customers? From DevOps to revenue models and customer support, the answer is yes!

Learn how Concerto can help you.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

New Server  was moved from behind Router R2 f0/1 to behind router R1 int f/01 and has now address But we want users still to be able to connected to it by old IP. How to do it ? We can used destination NAT (DNAT).  In DNAT…
I have seen some questions on problems with SSH/telnet access to Cisco routers that may occur despite the fact that from a PC connected to your LAN, Internet connectivity is in place and users can access Internet sites without any issues.  There are…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

621 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question