We’ve all been there. You desparately need to get into a router or a switch, but every username and password you try doesn’t seem to work. Or even worse, you can ping the device, see it in CDP but SSH isn’t replying and telnet is disabled (presumably because the device…
So in my last post I covered configuring FlexVPN with dynamic spoke to spoke communication using certificates for authentication. What if you wanted to use pre-shared-keys though? We can do that, it’s not nearly as secure as certificate based authentication, but we can do that. We’ll be using the exact…
Let’s talk about FlexVPN, a prime contender as a DMVPN replacement and sometimes referred to as DMVPN phase 4. In this post, I’m going to explore the nuts and bolts of getting FlexVPN up and running between (3) routers and, for added flare, I’m going to also configure dynamic spoke-2-spoke…
Alright it’s been a couple of days since the original post, so after much fanfare and exactly 0 people attempting to solve, let’s break this one down. SPOILER ALERT Issue #1 Since BGP is relying on OSPF for connectivity between peering interfaces (Loopback1), this seems like a natural place to…