Question about Cisco Catalyst 3750 24 10/100 + 2 SFP Enhanced Multilayer Image (4632080515)
I have a switch having an ios problem i did change the ios from the old one to new one but the switch keeps on reebooting and went to rommom mode. I did load an ios through xmodem but when i reboot it keeps rebooting.What can i do in this case, i need your help guys.....
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Posted on Jan 02, 2017
Two ways to do that are xmodem (slow) or Tftp from rommon mode. (fast)
Place the IOS image in your tftp server directory and start tftp server.
Then enter the following in the switch exactly as below as all are case sensative:
rommon 1> IP_ADDRESS=xxx.xxx.xxx.xxx
rommon 2> IP_SUBNET_MASK=xxx.xxx.xxx.xxx
rommon 3> DEFAULT_GATEWAY=xxx.xxx.xxx.xxx
rommon 4> TFTP_SERVER=xxx.xxx.xxx.xxx
rommon 5> TFTP_FILE=full file name of ios as it reads
rommon 6> TFTP_CHECKSUM=0
this one is in lower case
rommon 7> tftpdnld
If you dont have a tftp server below is a link to a free one
You will need the .bin IOS image for this and not the .tar file. The .tar file contains router cluster management files that you must issue the archive tar command to load all of the files. Can do that if needed after router is back online.
P.S.: If this information was helpful, please rate this solution.
Posted on Mar 12, 2009
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