DMVPN-OVER-MOBILE BLUES

It all started a while ago with a log message found on the hub of a large DMVPN/IPSEC deployment over mobile Internet connections. Given the increasing number of deployments that use the Internet as a cheaper, faster WAN for either primary or backup, I thought it would be useful to document the problems and the two main solutions.

read more>

WHY SHOULD I CARE ABOUT FRAGMENTATION? (2)

I actually wanted to write this article the first time as an answer to the question in the title (posted by one of my readers), but I ended up with a long part 1 which talks about why you fragmentation is undesirable and some problems you might run into while it is present.

There's a real story coming below ...

read more>