This post will go through the steps to upgrade a Cisco GSS 4492R. I’m assuming you already went to Cisco’s website and downloaded the .upg file.
Juniper SSG Basic Configuration
Juniper SSG’s are pretty easy to setup using the GUI and CLI. I am just showing you the basic commands to get the device up and running using the CLI. I’ve always liked the CLI better than the GUI.
DIG DNS Tool for Windows 7
dig (domain information groper) is a powerful DNS diagostic tool. You are basically digging into DNS. This is one of the best tools to use. At the end of this blog I will tell you why you should use this tool over nslookup. The problem is that it does not come installed on Windows. But [...]
Find the Faster DNS Server to Omptimize your Performance
Yes! The wrong DNS servers can actually make a difference when browsing the internet. You want to make sure you have the fastest DNS when it comes to name resolutions. I’m assuming you know how a DNS server works. If you can use a name server that resolves the names to IP 50% faster, then [...]
When and How to Upgrade IOS in an ISP’s Network
ISPs should not upgrade their router software every time Cisco releases a new image. Frequent upgrades are recognized by most industry operators as being bad practice and incur unnecessary operational risk. The only time that any ISP should be upgrading software is when it is required to fix bugs, patch security vulnerabilities, support new hardware, [...]