My Network Lab

Sharing my learning and personal experience in IT Networking.

Friday, October 24, 2014

Router IOS Upgrade via tftpdnld and format flash Command

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There were some IT stuff that my company's warehouse got rid of not so long ago. I was lucky to have picked up a couple of Cisco 64 MB ...
Saturday, October 18, 2014

CCNP ROUTE Lab Equipment

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I got a little sidetracked from my CCNP Security journey and I'll be taking up CCDP (hopefully to also add CompTIA Security+ ) while w...
Sunday, September 14, 2014

Cisco ISR G2 Router Serial Number

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It's funny, I've been working with ISR G2 routers for quite some time now but I recently found out there's another way of check...
Friday, September 5, 2014

Cisco 3900 ISR G2 Power Supply and Fan Module Swap

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I got an escalation from our NOC a couple of weeks back saying one of our core router had an alarm. When I checked the logs, I noticed the ...
Saturday, August 23, 2014

Cisco 2960S FlexStack Module and Cable

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I was asked to stack some few Cisco 2960S switches for a site. You can stack 2 or more switches (depending on the switch platform) u...
Friday, July 25, 2014

Rack Mounting My Network Lab Gear

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The major components for my CCIE R/S rack are almost completed. I just need get my C3560 switches and serial cables for my WICs. I bought...
Friday, June 20, 2014

Configuring My Cisco 2511 Terminal Server

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After updating the IOS for my 2511 terminal server on my previous post , it's time to configure and hook it up to my C2960 and C2940 sw...
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About Me

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John Lloyd Lagura
I'm John Lloyd Lagura, a passionate Network Engineer, tech blogger and a lifelong learner. I specialize in routing, switching, security, wireless and cloud technologies. I currently hold CompTIA Network+, Security+, ITIL Foundation, Cisco CCNP Security, CCNP Enterprise, CCNA Cyber Ops, Juniper JNCIA-Junos, JNCIA-SEC, JNCIA-Design, Fortinet Network Security Professional (NSE4).
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