Just because I like giving more money to Pearson Vue, I took the BCMSN test today to see how I would do. I passed with no problem.
Tag: switch
I did my standard 2ish-hour drive to the closest testing center today to take the SWTCH test (642-813). Utter failure. That’s 3 for those scoring at home.
Here’s a quick post on my Uplinkfast findings.
A quick observation the STP path costs and EtherChannels
Here’s a quick exercise to test your STP skills. Let’s play find the root bridge, et.al.
SSH is more than just a shell. You can copy files from and to a server or piece of network gear with it. You can use it to tunnel traffic. Possibly my favorite, though, is to use SSH to run a command on a remote…
Have you even noticed that your new servers all have 2 NICs on the board? At least all of them that I’ve seen in the last 3 years have. A lot of server admin actually use them in a NIC teaming scenario where both NICs…
We discussed SPANs earlier, but let’s talk about RSPANs for a bit. Can anyone guess what the “R” means? You guessed it — “Remote”. An RSPAN is a way to get traffic from a SPAN source on one switch to a SPAN destination on another…
I can’t believe I haven’t blogged on this yet. SPANs are one of my favorite things in the world. The switched port analyzer (SPAN) is a mechanism on Cisco switches that allows you to take traffic on one port and copy it to another. It’s…