Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

Can I modify 3750 register via config-register ?

I can't find this command in CLI prompt. I can do this on 4506 platform. What's difference between these two platform ?

thanks!

3 REPLIES
New Member

Re: Can I modify 3750 register via config-register ?

Hi.

Unlike some other Catalyst switches, there is no config-register command on the 3550. You cannot change the configuration register value from the default.

The 3550 automatically searches for a valid software image from which to boot. The search occurs even if you do not set a boot system statement. Set the boot statement anyway, as a precaution. The command to set a boot system statement is boot system flash: file_name .

You can specify multiple images in the boot statement if you separate the image names with a semicolon. The command is boot system flash: file1;file2 .

If you use a CMS image on the 3550, the Cisco IOS image (.bin file) extraction creates a directory for the image alone. The boot system command becomes boot system flash: directory/file_name .

Link : http://www.cisco.com/en/US/products/hw/switches/ps646/products_configuration_example09186a0080169623.shtml

Rgds,

Naveen B

New Member

Re: Can I modify 3750 register via config-register ?

thanks for your reply.

But why cisco don't provide config-register like other platform. Is there different hardware archiecture or other reason ?

thanks

Cisco Employee

Re: Can I modify 3750 register via config-register ?

Because this platform is self contained, having a config-register is superfluous. In the event of a corrupt image, password recovery, or other need to access the switch rommon-like environment, the mode button on the front of the switch can be used as documented here:

http://www.cisco.com/en/US/customer/products/hw/switches/ps5023/products_configuration_guide_chapter09186a00801a6694.html

HTH,

Bobby

521
Views
3
Helpful
3
Replies
CreatePlease login to create content