My Network Lab

Sharing my learning and personal experience in IT Networking.

Friday, July 31, 2026

Renumbering a Cisco 9300 Switch

›
Here's a Cisco link  to renumber a Cisco switch stack. Validate the current switch stack number using the show switch command. In my sce...
Friday, July 10, 2026

Troubleshoot Cisco Router SSH RSA Issue

›
I wasn't able to remotely SSH to a Cisco router using different management jump servers. I got different error message below. admin@se...
Wednesday, June 10, 2026

Configure Cisco Smart Licensing Using Policy (CSLU)

›
Here's a Cisco link and a video tutorial  to configure Cisco Smart Licensing Using Policy (CSLU). Below are the commands to be used in ...
Saturday, May 2, 2026

Copying Files in a Cisco Nexus 9000 Switch

›
Here's a Cisco link in copying or transferring a Nexus config file to a remove server (or local USB). This is useful if you're doin...
Friday, April 10, 2026

Junos OS File Directory and MD5 Checksum

›
I needed to download the Junos OS used in our MX device. You can use the file list /var/temp  CLI command to check the OS image stored ( dir...
Sunday, March 1, 2026

Configure Policy-Based Routing (PBR) in a Cisco Router

›
Here's a link in configuring a Policy-Based Routing (PBR) in a Cisco router. I was trying to configure PBR on a customer VRF to test or...
Friday, February 6, 2026

Cisco Nexus cli alias Command

›
You can use the cli alias <command> to create a shortcut on your favorite Cisco commands. An example would be an alias for  write memo...
›
Home
View web version

About Me

My photo
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).
View my complete profile
Powered by Blogger.