68 C HAPTER 4: V IRTUAL LAN S (VLAN S )Figure 8 illustrates a single VLAN that spans two Switch 9100 devices. Allports on both switches belong to VLAN Sales. The two switches areconnected using port 1 on Switch 1, and port 6 on Switch 2.Figure 8 Single port-based VLAN spanning two switchesTo create multiple VLANs that span two switches in a port-based VLAN, aport on Switch 1 must be cabled to a port on Switch 2 for each VLAN youwant to have span across the switches. At least one port on each Switch9100 must be a member of the VLANs, as well.Figure 9 illustrates two VLANs spanning two switches. On Switch 1, ports1 through 3 are part of VLAN Accounting; ports 5 through 8 are part ofVLAN Engineering. On Switch 2, ports 1 through 3 are part of VLANAccounting; ports 5 through 8 are part of VLAN Engineering.SalesSwitch 1Switch 291_004