Monday, August 11, 2014

Network Engineer Should Know A Little Bit Scripting and Excel

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I was working on a network migration project for a large enterprise.  They are migrating their Catalyst 6509 network to Nexus (7ks, 5ks, 2ks...
1 comment:
Monday, June 9, 2014

Put a text file on router flash without file transfer

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Say, you want to put a text-based file on a router's flash memory.  It could be a license file, a config file, or some scripts. The ...
Thursday, March 6, 2014

Build a $30 Wireless Lab

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One of the recent project has quite a lot wireless LAN stuff.  So I feel the urge to build a home lab. To build a wireless LAN lab, you ne...
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Monday, September 16, 2013

IOU Web

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Lately I had to recreate a MPLS network.  I used to use GNS3 as it's user friendly and can use vanilla IOS (i.e. you may download IOS fr...
Tuesday, July 30, 2013

Running UC Labs on a laptop

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Not everyone has the luxury of running a Cisco UCS server at home.  Even if you do, it's a little bit heavy to drag the UCS around.  It ...
Saturday, April 13, 2013

Correction to the Cisco UC rooting process

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I got a lot of feedback regarding the problem after rooting Cisco UC products (CUCM/UCCX, etc.).  The symptom was that every service is in [...
Saturday, September 29, 2012

Enterprise Licence Manager

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Since from UCM 9.0, Cisco introduced ELM (Enterprise License Manager).  Instead of putting license files on UCM, CUC servers, now you put li...
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