5 Questions
According to the 802.1Q standard, what happens to traffic received on a trunk port without the VLAN tag?
It is associated to the native VLAN
Which VLAN is the default native VLAN?
VLAN 1
What can happen if the native VLAN on two trunk ports does not match?
The traffic can change VLANs unintentionally
What is the purpose of a native VLAN?
To associate untagged traffic to a specific VLAN
How can the native VLAN be changed on a port?
By changing the trunk port mode
Study Notes
VLAN Trunking and Native VLAN
- Traffic received on a trunk port without the VLAN tag is assigned to the native VLAN.
- The default native VLAN is VLAN 1.
- If the native VLAN on two trunk ports does not match, it can lead to unexpected traffic flow and potential security issues.
- The purpose of a native VLAN is to provide a default VLAN for untagged traffic on a trunk port, allowing devices that do not support VLANs to communicate with VLAN-aware devices.
- The native VLAN can be changed on a port by configuring the switch port with a different VLAN ID as the native VLAN.
Test your knowledge of the 802.1Q standard and native VLAN in networking. This quiz covers concepts such as the default behavior of traffic received on a trunk port without a VLAN tag, the default native VLAN, the purpose of a native VLAN, and how to change the native VLAN on a port.
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