Extreme Networks Summit1 - Manual (Page 89)

S UMMIT S WITCH I NSTALLATION AND U SER G UIDE 5-3
T YPES OF VLAN S
For example, in Figure 5-1 , ports 1, 2, and 5 are part of VLAN Marketing; ports 3, 4, and
6 are part of VLAN Sales; and ports 7 and 8 are in VLAN Finance.
Figure 5-1: Example of a port-based VLAN
Even though they are physically connected to the same switch, for the members of the
different VLANs to communicate, the traffic must go through the IP routing
functionality provided in the Summit. This means that each VLAN must be configured
as a router interface with a unique IP address.
S PANNING S WITCHES WITH P ORT -B ASED VLAN S
To create a port-based VLAN that spans two switches, you must do two things:
• Assign the port on each switch to the VLAN.
• Cable the two switches together using one port on each switch per VLAN.
8
7 6 5
1
4 3 2
Sales
Finance
Marketing
Summit.bk : 5VLAN.FM Page 3 Thursday, June 18, 1998 9:27 AM