My Network Lab

Sharing my learning and personal experience in IT Networking.

Sunday, January 1, 2023

Cisco NCS 540 show tech-support

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The Cisco NCS 540 router show tech-support command generates a TAR archive file (.tgz) and saves a copy in harddisk. You can transfer this ...
Friday, December 16, 2022

Cisco ASR ROMMON (Ctrl+Break) Shortcut

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I had to perform a password recovery on a Cisco ASR router and my HP laptop doesn't have a Break key which is commonly used enter the ro...
Thursday, December 1, 2022

Cisco 3650 IOS-XE 16.12.07 Upgrade

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Here's a link in performing an IOS-XE upgrade in a Cisco 3650 Catalyst switch. This is also applicable to a Cisco 3850 since they share...
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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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