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TEWhat is native Vlan?
》It is a vlan that requires no tagging.
》by default, the native Vlan is 1.
》But it can be changed on the trunk links if you want.
●Remember points
》native Vlan are only supported on the 802.1Q trunk links.
》native Vlan must be configured on both side of the 802.1Q trunk link.
》ISL, not support no tagging process.
"the original use of native Vlan was for legacy devices like Hubs which doesn't support VLANs.
●example: - the frames from VLAN 10 are carried
across the trunk with 802.1q headers, but the frames from VLAN20 are carried across untagged because VLAN20 is the Native VLAN of the trunk port. All control plane messages such as CDP, VTP, and DTP are also sent through the Native VLAN i.e untagged.
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