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Administration Guide

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Example 1

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Example 1

The following example shows the flows for tagged and untagged frames.

Purple (dashed) flow

An untagged frame arriving at port3 is assigned VLAN 100 (the native VLAN) and flows to all egress ports that will send VLAN 100 (port1 and port4).

A tagged frame (VLAN 100) arriving at port4 is allowed (VLAN 100 is allowed). The frame is sent out from port1 and port3. On port3, VLAN 100 is the native VLAN, so the frame is sent without a VLAN tag.

Blue (dotted) flow

An untagged frame arriving at port4 is assigned VLAN 300 (the native VLAN). Then it flows out all ports that will send VLAN 300 (port3).

A tagged frame (VLAN 300) arriving at port3 is allowed. The frame is sent to egress from port4. VLAN 300 is the native VLAN on port4, so the frame is sent without a VLAN tag.

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Example 1

The following example shows the flows for tagged and untagged frames.

Purple (dashed) flow

An untagged frame arriving at port3 is assigned VLAN 100 (the native VLAN) and flows to all egress ports that will send VLAN 100 (port1 and port4).

A tagged frame (VLAN 100) arriving at port4 is allowed (VLAN 100 is allowed). The frame is sent out from port1 and port3. On port3, VLAN 100 is the native VLAN, so the frame is sent without a VLAN tag.

Blue (dotted) flow

An untagged frame arriving at port4 is assigned VLAN 300 (the native VLAN). Then it flows out all ports that will send VLAN 300 (port3).

A tagged frame (VLAN 300) arriving at port3 is allowed. The frame is sent to egress from port4. VLAN 300 is the native VLAN on port4, so the frame is sent without a VLAN tag.

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