Monthly Archives: July 2015

Routing Protocols

Posted on July 29, 2015 by aungnyeinchanoo

Routing Protocols

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Creating vlan

Posted on July 29, 2015 by aungnyeinchanoo

You can use two  method to create vlan    Legacy method with Vlan database          switch#vlan database          switch(vlan-database)#vlan <vlan-id>   Modern method of configuring Vlan        switch(config)#vlan <vlan id>        switch(config-vlan)#name <vlan name> + Default; all interfaces access in … Continue reading →

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TCP 3way Handshake

Posted on July 28, 2015 by aungnyeinchanoo

How to  verify TCP 3way handshake with facebook? First,get the ip address of facebook. and then, start wireshark s/w and browrse the facebook. In wireshark; filter the output by ip address. you can test another website like that 😀 i … Continue reading →

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PVST

Posted on July 27, 2015 by aungnyeinchanoo

2th vlan blog

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Spanning Tree Protocol

Posted on July 27, 2015 by aungnyeinchanoo

Spanning Tree Protocol(STP 802.1D) =============================== • default priority 32768 • BPDU (sent every 2s) • 3timer :(i) hello (2s) ;(ii) MaxAge (10times hello) ; (iii) Forward Delay(15s) • Root Bridge: lowest BID (if ties; lowest MAC address) • Root Port … Continue reading →

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Vlan

Posted on July 27, 2015 by aungnyeinchanoo

+ To reduce CPU overhead on each device by reducing the number of devices that receive each broadcast frame + To reduce security risks by reducing the number of hosts that receive copies of frames that the switches flood (broadcasts, … Continue reading →

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