The ranting of an IT Professional:

IOS

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July 14, 2009  2:41 PM

Setting up DHCP relay on a Cisco router



Posted by: Jason Tramer
Cisco, DHCP, IOS, relay

This came up for me recently. Here are the commands to setup DHCP relay on a Cisco router, it's super easy if you know what to do. The interface you are configuring is the interface where the DHCP clients are located. The helper-address is the IP address of your DHCP server, in this case...

July 7, 2009  8:23 PM

Cisco Router – Upload and IOS image from ROMMON mode



Posted by: Jason Tramer
Cisco, flash, IOS, ROMMON, router, tftp

If you ever delete your IOS image and the system reboots before you get the new one on or if you upload the image and it is corrupt you will need to know how to upload an image from ROMMON mode. Here are a sample of the commands, replace the entries with your specifics: rommon 1 >...


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