Cisco Catalyst 3560-X Software Configuration Manual page 539

Chapter 1 Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling
Figure 1-4
Customer Y Site 1
OL-25303-03
Layer 2 Protocol Tunneling
Customer X Site 1
VLANs 1 t o 100
VLAN 30
VLAN 30
Switch A
Switch B
VLAN 40
VLANs 1 t o 200
Service
provider
Trunk
Trunk
ports
ports
Trunk
Trunk
ports
ports
Trunk
Asymmetric link
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
Understanding Layer 2 Protocol Tunneling
Customer X Site 2
VLANs 1 t o 100
VLAN 30
Switch C
Switch D
VLAN 40
Customer Y Site 2
VLANs 1 t o 200
1-9