Aaron's Worthless Words

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Junos - VPN Hierarchy

Wow! A Junos post! Amazing. We all know that the configuration on a Junos box is very hierarchical. Sometimes it doesn’t make a lot of sense, but it’s all a pretty cascade of code. One of the big messes that I’ve found is the VPN configuration hierarchy;

VRF-Aware IPSec Tunnels

Man, time is hard to come by of late. I’ve had so little time to rest that’s it’s hard to get my thoughts together. It’s a good thing in this case, though, since it’s my fantastic job that’s taking all my time. It’s

Network Protocol Overhead

Here are some packet overhead numbers for a few popular protocols to help with doing bandwidth requirement calculations. This may be another add-as-we-go post, so please comment with additions or corrections. Ethernet : 20 bytes Frame Relay : 4 – 6 bytes PPP : 6 bytes MLPPP: 10 bytes MPLS : 4 bytes IP : 20

Stubby Post - A Story on VPN Hardware Acceleration

We use a hosted application that requires IPSec tunnels to the provider from different properties across the country. The ones in the lower 48 perform adequately, but the new one in Alaska is absolutely horrible. The RTT from the continental US sites was around 80ms, but the same from the