642-813

Stubby Post - VTP Clients Send Updates

2010-05-18 ·1 min read

VTP clients send VLAN updates. Did you know that? I had a VTP server and client in the same VTP domain, and, when I cabled up the trunk, the client overwrote the VLAN database on the server. The moral …

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SWITCH - Epic Regression

2010-05-11 ·2 min read

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. In my mind, the CCNP is a technical certification, so I expect to be …

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SWITCH - Epic Fail

2010-05-06 ·4 min read

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. The test was the absolute worst I’ve ever …

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SWITCH – STP Exercise #1 Solution

2010-04-24 ·4 min read

Did you guys have any trouble with the solution to the STP exercise? Let’s work through it and see what happens. I got a few responses to the solution, and everyone seems to get the same answer, …

642-813 bridge designated election port root spanning-tree stp

SWITCH - STP Exercise #1

2010-04-22 ·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 …

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