My Network Lab

Sharing my learning and personal experience in IT Networking.

Friday, September 8, 2023

Cisco Export Compliance Tool

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The Cisco products, software, and technology (Cisco products) are subject to export controls under the laws and regulations of the United S...
Thursday, August 3, 2023

Change Cisco Switch Stack Member Number

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Here's a link in changing the interface name or renumber a Cisco stack member switch. There's a logical correlation between the swi...
Saturday, July 1, 2023

Packet Capture in a Cisco 4000 ISR

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I needed to perform a packet capture in our Cisco 4K Integrated Services Router (ISR) to troubleshoot a Session Initiation Protocol (SIP) pr...
Thursday, June 1, 2023

Cisco Network Convergence System (NCS) 540 Router

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Here's a link regarding the Cisco NCS 540 series routers and a link for the hardware installation guide.  The NCS 540 1RU router have ...
Sunday, May 21, 2023

Cisco ASR1K IOS-XE 17.6.3 Software Upgrade

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My family and I recently visited the Omniverse Museum and it houses a large collection of toys and memorabilia from DC, Marvel, Star Wars, H...
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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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