What is the Native VLAN? This video not only tells you, but SHOWS you exactly what the Native VLAN is and how it affects traffic traversing a trunk.
Need to review Access Ports and Trunk ports (also called Tagged ports and Untagged ports)? Read this:
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0:00 - Start
0:06 - Topology Introduction
0:15 - Review: Access and Trunk Ports (aka, Untagged and Tagged Ports)
0:32 - Topology Configuration
0:49 - Topology "show commands"
1:08 - Initial Pings
1:24 - Pings with Wireshark Packet Capture
1:53 - A "ping" is an ICMP Echo Request and an Echo Response
2:14 - Pings packet headers and VLAN Tag
2:50 - 1st Quick Summary -- purpose of VLAN Tag
3:07 - Changing the Native VLAN on the Trunk port
3:30 - Pings with VLAN 33 as Native VLAN
3:59 - Effect of the Native VLAN configuration on the Wire
4:30 - 2nd Quick Summary -- purpose of the Native VLAN
What happens when there is a Native VLAN mismatch?
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Think you understand VLANS? Prove it by testing yourself with the VLAN Challenge:
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Subnetting Mastery -- Video series that will make you a Subnetting Pro:
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Understand Address Resolution Protocol (ARP) in less than 5 minutes:
[ Ссылка ]
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More free resources discussing Network Engineering and Network Security:
www.PracticalNetworking.net
