Switch 2 Forwards To 1Q Trunk; Bridge 1 Broadcasts Frames - Enterasys 2H25x User Manual

Figure 12-19 Bridge 1 Broadcasts Frames
3. Switch 2 receives the tagged Red VLAN frame on Port 2, as shown in
Tag in the frame is maintained, classifying the frame as belonging to the Red VLAN. The switch
forwards the broadcast frame out all the eligible ports, Ports 3 and 4. Switch 2 simultaneously
updates its Source Address Table for FID 1 to reflect the location of User B (Port 2).
The frame forwarded out Port 3 has its VLAN Tag stripped before transmission, and it is passed
to Bridge 4 as a normal broadcast frame. The frame that is transmitted out Port 4, the 1Q Trunk,
retains its VLAN tag.
Figure 12-20 Switch 2 Forwards to 1Q Trunk
Example 3, 1D Trunk Connection to 802.1Q VLAN Network
VLAN Operation and Network Applications
Figure 12-20. The VLAN
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