Posted on Monday, 27th March 2006 by sean
Turns out we had a bad CSU/DSU on a T1 link recently, the thing that made it more difficult was that it was internal to the router (WIC-1DSU-T1) Troubleshooting serial links is done by testing different parts of the links by looping endpoints. The basic procedure: http://www.cisco.com/en/US/tech/tk713/tk628/technologies_tech_note09186a00800a754b.shtml The difference between loopback dte, loopback remote, and [...]
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Posted on Friday, 10th March 2006 by sean
I’m a self professed Cisco bigot. I use the term “bigot” because that’s what the Nortel sales guy called me and the name stuck. I’ve also heard the term “customer evangelist” thrown around by marketing people — a customer who is happy with the company, and tells others about it. Why do I willingly pay [...]
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Posted on Thursday, 9th March 2006 by sean
It’s rare that I open a case with TAC, I’m usually able to figure things out with the help of the docs or by working at it. But this past week, I’ve been involved with several cases: Upgrade problems – After swapping the flash in a 3660, we couldn’t store an image on the new [...]
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