Trunk to Access – Will It Work?
Recently a posted a question to Twitter about connecting two Cisco Catalyst switches. One switch has already booted and has […]
Catalyst, Spanning tree, Switching
Switching
Convergence, Ethernet, Spanning tree, Switching
Ethernet, STP, Topology change and the behaviour of Ethernet
Introduction This post is inspired by a post at IEOC about Uplinkfast and TCN which can be found here. Before
Switching
Busting myths – PAgP desirable runs in silent mode by default
Time to bust another myth! Supposedly PAgP runs in silent mode by default in both desirable and auto mode. So
Spanning tree, Switching
RSTP synchronization – behind the scenes
RSTP synchronization is not widely understood and often oversimplified. This post describes how it really works in detail to give you the full picture.
Catalyst, Switching
Cisco updates the Catalyst 2960 – Catalyst 2960-X and Catalyst 2960-XR
The Catalyst 2960 is a very common switch in any environment that has Cisco devices. A couple of years ago
CCIE, CCIE links, Spanning tree, Switching
CCIE link #11
To be a CCIE we need a good grasp of switching and STP. This post by Petr Lapukhov (again) is
Routing, Switching
Integrated Routing and Bridging
Sorry for the lack of updates lately but I spent the whole last week skiing and recharging my batteries and
CCIE, Switching
Private VLANs
Private VLANs is a method to segment devices at layer 2 that are in the same IP network. Different VLANs