3Com 2816 SFP User Guide - Page 27

Uplink VLAN Configuration Example, In the Modify VLANs screen for Switch 1, select

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Uplink VLAN Configuration Example Figure 13 Uplink VLAN Configuration Example Endstation in VLAN 1 (Desktop) Server in VLAN 1 (Desktop) Endstation in VLAN 2 (Desktop) Switch 1 Switch 2 Port 16 in VLANs 1 and 2 (Uplink) Port 8 in VLANs 1 and 2 (Uplink) 2 In the Modify VLANs screen (Figure 16) for Switch 1, select Desktop from the Mode drop down list for the ports you want to add to VLAN2. 3 Select 2 from the VLAN ID drop down list for the ports you want to add to VLAN2. 4 Repeat steps 2 and 3 for Switch 2. 5 Select Uplink as the Mode for port 16 on Switch 1. 6 Select Uplink as the Mode for port 8 on Switch 2. 7 Connect port 16 on Switch 1 to port 8 on Switch 2. Those ports on Switch 1 that are members of VLAN2 can now communicate with those ports on Switch 2 that are members of VLAN2. Endstation in VLAN 2 (Desktop) Server in VLAN 2 (Desktop) Endstation in VLAN 1 (Desktop) This example explains how you can set up a VLAN Configuration across two Switches using Uplink connections. This enables ports that are members of the same VLAN, but which are on different switches to communicate, provided that a port on each switch is set to Uplink, and that these ports are connected. To set up the configuration shown in Figure 13, do the following: 1 Use the Create VLANs screen (Figure 14) to create VLAN2 on both Switch 1 and Switch 2, and assign the same name to it. (VLAN1 is the default VLAN and already exists.) 27

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27
Uplink VLAN Configuration Example
Figure 13
Uplink VLAN
Configuration Example
This example explains how you can set up a VLAN Configuration
across two Switches using Uplink connections. This enables ports
that are members of the same VLAN, but which are on different
switches to communicate, provided that a port on each switch is
set to Uplink, and that these ports are connected.
To set up the configuration shown in Figure 13, do the following:
1
Use the Create VLANs screen (Figure 14) to create VLAN2 on
both Switch 1 and Switch 2, and assign the same name to it.
(VLAN1 is the default VLAN and already exists.)
2
In the Modify VLANs screen (Figure 16) for Switch 1, select
Desktop
from the Mode drop down list for the ports you want to
add to VLAN2.
3
Select 2 from the VLAN ID drop down list for the ports you want
to add to VLAN2.
4
Repeat steps 2 and 3 for Switch 2.
5
Select
Uplink
as the Mode for port 16 on Switch 1.
6
Select
Uplink
as the Mode for port 8 on Switch 2.
7
Connect port 16 on Switch 1 to port 8 on Switch 2.
Those ports on Switch 1 that are members of VLAN2 can now
communicate with those ports on Switch 2 that are members of
VLAN2.
Switch 1
Port 16 in VLANs 1 and 2 (Uplink)
Endstation
in VLAN 2
(Desktop)
Endstation
in VLAN 1
(Desktop)
Server
in VLAN 1
(Desktop)
Endstation
in VLAN 2
(Desktop)
Endstation
in VLAN 1
(Desktop)
Server
in VLAN 2
(Desktop)
Switch 2
Port 8 in VLANs 1 and 2 (Uplink)