My Network Lab

Sharing my learning and personal experience in IT Networking.

Friday, August 20, 2021

Cisco Commerce (CCW)

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You can go to Cisco Commerce (a.k.a. Cisco Commerce Workspace or CCW) to compile a list of your needed Cisco hardware. This helps the IT or...
Friday, August 6, 2021

Cisco Device Coverage Checker (SMARTnet Warranty)

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There's a Cisco portal where you can find all their web tools such as the Download Software, ASA CLI Analyzer and Device Coverage Check...
Friday, July 2, 2021

Cisco ASR 920 Router 3.x to 16.12.x IOS-XE Upgrade

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The IOS-XE 16.x series was first released in November 2015. It uses code names of famous mountains/places (Fuji, Everest, etc) and covers tw...
Friday, June 18, 2021

Cisco VRF Aware IPSec VPN

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Here's a nice Cisco link regarding VRF aware IPSec VPN. I was troubleshooting a Site-to-Site IPSec VPN between a Cisco ASA firewall and...
Friday, June 4, 2021

Juniper Networks Stateless Firewall Filter

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Firewall Filters (ACL in Cisco)   The Junos OS firewall filters are stateless in nature and primarily used to control traffic passing ...
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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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