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 …
Category: Q-in-Q
Fun with QinQ tunnels – Part 3 – Why HSRP and QinQ don’t play well
I have covered QinQ tunnels a couple of times now, but for an exceedingly brief recap a QinQ tunnel extends the layer 2 network across a WAN. You can …
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 …