Greenwire Technology Solutions

Chicago Cisco Technician, Engineer or Consultant Services

January 22, 2013

Do you need immediate tech support with your cisco network or system? Greenwire has specialist engineers on call for Cisco Engineering issues, including CallManager, CUCM, Cisco Switches, Cisco Routers, Cisco...

Configure TFTP Option 66 and Option 150 with dhcpd

November 6, 2009

Here is a copy of the top portion of my /etc/dhcpd.conf file. Using this configuration you should be able to setup any TFTP bootable device to look to your TFTP...

Invalid Cisco SmartNET Serial Number?

November 4, 2009

We can help! We have specific experience in this problem and we know all the hoops necessary to get your device re-added to the Cisco eligibility list! Fill out the below form,...

Cisco SmartNET Contract for Cisco 7940, 7941, 7960, 7961, 7970, 7971

November 4, 2009

We now provide expedited SmartNET agreements for all Cisco Devices! Your quoted price will be for the Basic One-Year SmartNET agreement unless you specify a different service level in the...

0 Removed from Cisco Firmware Naming P0S3-08-11-00 becomes P0S3-8-12-00?

June 10, 2009

This problem had me going nuts for about 30 minutes. Typically when an update comes out, I just edit all of my configuration files by changing the subversion up by...

When does a T1 make sense?

December 6, 2008

Should I get a T1? Should I get rid of my T1? There are a lot of common misconceptions about T1s. The biggest one being that they are fast, they're not....

SmartNET Contract for Cisco 7970G

November 25, 2008

We no longer sell the SmartNET Service Agreements for these phones! (Necessary to get Firmware) If you try to call CDW and order a SmartNET Contract for your Cisco 7970G Phone. You will...