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Asad Ijaz

My Name is Asad Ijaz Khattak and I am the writer and blogger, known for my website "". I have writes about various topics related to technology, networking, and cybersecurity. I am also a Cisco Certified Network Professional (CCNP) and Cisco Certified Network Associate (CCNA). I have written several articles and tutorials on the website which can be used as a learning resource for people interested in networking and cybersecurity. I am the member and Editor of Proudly Team NetworkUstad


  1. PVST+ » Networkustad
    October 25, 2019 @ 2:45 pm

    […] The PVST+ requires larger CPU process in the switches. It also consumes more bandwidth for BPDU than a traditional CST implementation of STP because all VLAN runs a separate instance of […]


  2. PortFast and BPDU Guard » Networkustad
    October 28, 2019 @ 4:05 pm

    […] a Port Fast configuration, BPDUs should never be received, because receiving of BPDU indicate that another bridge or switch is connected to the port. The receiving of BPDU is causing a […]


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