CCIE Security lab: Active Directory domain setup
This is a bit of a jump, I had originally planned to concentrate on the upper part of the topology, but this is just a quick post, as I …
Category: VLANs
Fun with QinQ tunnels – Part 4: Never trunk a tunnel VLAN
We are back to playing with QinQ tunnels. This time solving a Layer 2 loop issue. If you recall from part 1 we have had to do a bit …
The BIG lab – Part 1 – Trunking, EtherChannel and Load-Balancing
I kind of feel that I really need to spend more time on my studies at the moment. So while the boys are down for their afternoon nap (but …
Fun with QinQ tunnels – Part 2 (Routing different subnets)
From part one, we know that the purpose of a QinQ tunnel is to extend a VLAN across the WAN or network. But what if site 1 is connected …
Fun with QinQ tunnels – Part 1
QinQ tunnels extend a VLAN across the network or the internet. The usual way this is done is by having a standard VLAN in your network connecting to a QinQ …