User`s guide

AT-9108, AT-8518, AT-8525, and AT-8550 User’s Guide
4-7
Figure 4-4
Physical Diagram of Tagged and Untagged Traffic
Figure 4-5 shows a logical diagram of the same network.
Figure 4-5
Logical Diagram of Tagged and Untagged Traffic
In Figure 4-4 and Figure 4-5:
❑
The trunk port on each switch carries traffic for both VLAN
Marketing
and VLAN
Sales
.
❑
The trunk port on each switch is tagged.
❑
The server connected to slot 1, port 1 on System 1 has a NIC
that supports 802.1Q tagging.
❑
The server connected to slot 1, port 1 on System 1 is a member
of both VLAN
Marketing
and VLAN
Sales
.
❑
All other stations use untagged traffic.
Switch 1
Switch 2
= Marketing
= Sales
M
S
= Tagged port
M S
M S
M S
MM
S
S
S
M
M
802.1Q
Tagged server
Centre COM
Centre COM
*Tagged Ports
Sales
Switch 1
Port 1
Port 6
Switch 1
Port 1 *
Port 7 *
Switch 2
Port 7
Port 8
Switch 2
Port 2 *
Marketing
Switch 1
Port 2
Port 4
Switch 2
Port 1
Port 4