CCIE Security lab: Switching
It is time to set up the core network. Nothing new here really, a bit of HSRP and a few niceties (like disabling timeout on the console). The switches …
Category: HSRP
IOU – Image is everything
Finding the right IOU images can be a tricky thing to do, depending on what you are looking for. Things may look correct, but when you dig deeper down …
HSRP, Cisco Emulation software and ASICs
I wrote sometime back about how to implement HSRP using Cisco IOU and in GNS3, but it has been pointed out that even though it might look like it …
Cisco ASA failover, redundant interfaces, Catalyst HSRP and power
Most networks have redundancy (or at least should do). This can be in the form of additional cables cross-connecting devices, dual power supplies going to different feeds and HSRP …
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 …