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IT Certifications

Vlan ACLs

A good Cisco document here I found an answer to all my VACL-related questions. A good thing to note here, is the way the author configures the “remaining traffic”. Here he defines another router ACL that says “permit any any” ... Read More »

my home virtual lab


I can not afford a real Cisco lab. I can not buy online gear because that’s not possible in my country.BUT, I can afford a virtual Cisco lab.Here it is: Typically, it’s taken from CCNP curriculum lab diagrams. I added ... Read More »

Almost Finished BCMSN first review

I have read and practiced almost all subjects. Now I need to review the ones I forgot. Yeah I am conscious that I’ve forgotten many concepts and configuration commands. So I need a second and maybe a third and fourth ... Read More »

MSTP Notes


I configured VLANs, assigned ports to them, configured VTP domain to be the same on both switches, configured trunks, configured MST region with its name, revision number and vlan-to-instance mapping… but I couldn’t see changes when I issue spanning-tree mst ... Read More »

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