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Router Freak

Cisco Reviews, Tools, and Tips for Network Engineers


‘Configuration Tips’ for Network Engineers

Top 5 Reasons the Used Technology Industry is Evolving
By: Darwin Redshield
Buying used products often comes with a negative connotation.  For example, used car sales  are often seen as a ’shady’ way of purchasing a reliable vehicle. Horror stories of rip-offs, unanswered calls and pressure cooker sales techniques are abound in the used product industry.
The public [...]

By Joe Spoto
Step 1: The first step is to enable the service on the Cisco Router
Router(config)# service dhcp
This command enables the Cisco service on the Router and relay features on your router.
To remove the command use the same command with no at the beginning
Configuring the DHCP Pool Name
Configure the pool name and, use [...]

Managing large network installation projects can be pretty daunting.  Keeping track of your progress and making sure you don’t miss any steps along the way is crucial.  ITIL (Information Technology Infrastructure Library) as well as Cisco’s PPDIOO both provide a network services lifecycle frame work to help ensure that when the project is implemented the [...]

Centralizing Logins with TACACS+

Posted on February 28th, 2009 by Joe

As soon as your network grows to more than a few devices you quickly realize you need a way to manage the logins and passwords to these devices in an easy way. Cisco will sell you their ACS server for $6,000 or so or you can get the appliance for $12000. But if your budget [...]

Is Your Network Getting Backed Up?

Posted on February 23rd, 2009 by Joe

Once your network is designed, installed and your users are happy, you next need to setup tools to keep an eye on things. There are many Network management tools available to provide us with the means to analyze what’s happening on the network. There are also a whole lot of things that need analyzing [...]

IP Subnet Calculator

Posted on January 15th, 2009 by Joe

IP Subnet Calculator
Enter your ip address and either subnet mask or slash cidr notation.

Subnet Calculator

IP & Mask or CIDR:   

    

             
 

Use IP & CIDR Netmask: 
10.0.0.1/22

Or IP & Netmask:
10.0.0.1 255.255.252.0

Or IP & Wildcard Mask:
10.0.0.1 [...]

No Nortel VPN Client for Vista 64bit… yet

Posted on July 11th, 2008 by Joe

I’ve been doing a bit of work on Nortel Contivity VPN equipment lately and have been running into some mis-information that I hope I could clear up here.
I got a request the other day from a customer who needed VPN access into their company that was running 64bit version of Microsoft Vista. I did some [...]

Free Network Troubleshooting Tools

Posted on June 28th, 2008 by Joe

Here is our list of some great free and very useful network troubleshooting tools and scanners that all network engineers need to have in their tool kit.  This list is by far not all inclusive.  If you know of a great tool that you use and would like to see it listed here, let us [...]

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