IOS ACL Resequencing
This is one of those tricks you wish you learned about 10 years ago, but never did. You know how easy it is to mess up a nice looking access list. You get one setup on the router, …
Read MoreCisco MPLS VRF Configuration and Demo
A while back I asked everyone to vote on what topic they wanted to see next, and by no surprise almost every voted for MPLS VRFs. When I started working on this, I decided to take …
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JunOS Olive Demonstration
As a follow up to my JunOS Olive tutorial, I made a demonstration video that shows Multicast functioning via OSPF to …
Read MoreRunning JunOS under VMWare (updated – again!)
Interested in trying out JunOS? Can’t afford to build a real Juniper lab? Sounds like you need some Olives. No, we’re not talking about the green fruit commonly seen in a martini …
Read MoreMail Server Relay Testing
As you may know, I am not big in the server world, even less into mail servers. They make me sick. But, today I found a nifty little tool you can use to test your mail server …
Read MoreRoute Selection
One of the most common questions I get concerns path selection within the router. Everyone knows (or at least they should know) that a more specific prefix will be preferred, but …
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