Analysis of cisco switch faults: Protocol errors and insufficient flash Space

Analysis of cisco switch faults: Protocol errors and insufficient flash space help you solve cisco switch faults. The following protocol errors and insufficient Flash space should be common cisco switch faults. Do you know the general solution? Does your cisco switch often cause you to get online offline? Let's take a look at the following articles to solve all the problems.

Cisco switch fault 1: Protocol Error

Next, upload the new IOS. Enter the cisco Switch Failure command for this trip:
Router # configure terminalRouter (config) # ip ftp username Router (config) # ip ftp password Router (config) # endRouter # copy ftp: [[// [username [: password] @] 192.168.1.1]/s72033-jk9o3sv-mz.122-17a.SX.bin] sup-bootflash:

 

Cisco switch fault

Result The system prompts a cisco Switch Failure Protocol error this time! My heart is tight, isn't it? I just downloaded IOS from the vswitch. Is there any cisco switch failure? How can this problem be solved right away. Try again. the download is good. The upload prompts a protocol error ...... How can this happen?

After half a day of analysis, the failure of the cisco switch may be caused by the FTP Server. My FTP Server was created using the third-party software Server-U, so it was replaced with the FTP Server that comes with Microsoft Windows 2000. Try again, haha! No protocol error is prompted. Screen Display Loading ......, A few seconds later, the system prompts: Flash space is insufficient!

Cisco switch fault 2: insufficient Flash Space

6509 the standard Flash configuration is 64 MB, and the standard IOS size is 32.1 mb. the IOS 12.2 (17a) SX version to be upgraded is 40.6 MB in size. Of course, the space is insufficient. However, this is very simple. The original IOS in Flash is deleted and then uploaded. So type the cisco Switch Failure command: Router # delete sup-bootflash: s72033-pk9sv-mz.122-14.SX1.bin

And then upload it. Prompt message or insufficient space! My head is a bang again, so there won't be any mistakes, right? Now I have deleted the switch's IOS. If the switch is down or restarted, the switch will not be able to get up. The show command shows that the IOS file is no longer available, but the space is more than 30 mb. That is to say, Flash is not cleared?

What should I do? I remember that after I deleted the vlan. dat file, I had to restart the switch to take effect, but now I cannot restart it. What should I do? I started to sweat. Check the Cisco website ......, Finally, find a command squeeze, which is used to completely clear the deleted files, just like clearing the recycle bin. Run: Router # squeeze sup-bootflash:

Really easy to use. Now we can see that Flash has been completely cleared and the available space is 64 MB. Then upload the file over FTP. After several minutes, you will see the successful prompt on the screen. Reload the file and run the show flash command to check that the IOS version has changed to 12.2 (17a) SX. Plug in the new module WS-X6548-GE-TX a try, has been easy to use. After reading the table for more than eight hours, I finally breathed a sigh of relief and successfully upgraded the valuable IOS! All cisco switch faults have finally been solved.