Example 2, VLANs Across Multiple Switches
The VLAN Tag Header is inserted because Switch 4, Port 4 is designated as an 802.1Q Trunk
port. In this case, the Port Mode setting for Port 4 is 802.1Q Trunk and the VLAN Frame format
for that VLAN is tagged.
Figure 12-16 Transmitting to Switch 4
VLAN Operation and Network Applications
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