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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. Spanning Tree - Port Roles » Networkustad
    October 17, 2019 @ 5:19 pm

    […] 802.1D Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) uses the Spanning Tree Algorithm (STA) to decide which […]


  2. Spanning Tree - Root Bridge » Networkustad
    October 18, 2019 @ 5:12 pm

    […] spanning tree switched network or broadcast domain has a switch designated as the root bridge. The root bridge […]


  3. RSTP and Rapid PVST+ » Networkustad
    October 26, 2019 @ 4:26 pm

    […] IEEE 802.1w is the advance version of STP providing faster convergence than CST but holds with the same a single root bridge in the topology. […]


  4. Troubleshooting Spanning-Tree Protocol » Networkustad
    October 31, 2019 @ 3:55 pm

    […] most networks, the best Spanning-Tree Protocol topology is determined as part of the network blueprint. The Spanning-Tree Protocol is implemented […]


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    October 22, 2020 @ 2:36 am

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