SWITCH - STP Exercise #1
·1 min read
Here’s an STP exercise for you. Given the bridge priorities, MAC addresses, and interface types in the diagram, calculate the root bridge, root ports, designated ports, and blocked ports. You …
Cisco
A Quick Intro to Google's Capirca
·4 min read
Yeled left a comment earlier this week asking if I’d seen Google’s Capirca. I’d heard of it and checked out some presentation slides on it, but I’d never actually tried it out, …
ONT - Epic Fail Part 2
·2 min read
I took the ONT again today. The stench of failure is upon me for a second time, and I’m beginning to think I’m not the god-like person that everyone thinks I am. I went into the test very …
ASA 8.3.1 – Smart Tunnel and NAT Changes
·5 min read
I’ll start off with a warning. I’ve been running 8.3.1 on my home 5505 for a few hours now. Not only is this not really enough time for a thorough review, it’s also not the environment to test …
Stubby Post: Cisco Has Changed the Internet*
·1 min read
* For definitions of “changed” and “Internet” Today Cisco announced their new CRS-3 that replaces the CRS-1. The CRS-3 has some damn impressive numbers for sure with 322Tbps, …
QoS Pre-classify and Class-map Order
·4 min read
I’m still studying for the ONT test, so I did some labs tonight. One of them was to demonstrate the qos pre-classify command for tunnel interfaces. When you have a packet sent over a GRE tunnel, the …
ONT - Epic Fail
·2 min read
I failed the ONT test today. It was an utter lack of subject matter knowledge that did me in from the beginning. When the first three questions mention things that I’ve never even heard, …
ONT Notes - WLAN Management
·1 min read
Elements of Cisco Unified Wireless Network Client devices - Cisco compatible extensions on WLAN clients Mobility platform - allows configuration of LWAPs through WLCs Network unification - integration …