Cisco Catalyst 3560-X

1-9
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling
Understanding Layer 2 Protocol Tunneling
Figure 1-4 Layer 2 Protocol Tunneling
Cu st o m er X Si t e 2
VLANs 1 to 100
Cu st o m er Y Si t e 2
VLANs 1 to 200
Cu st o m er Y Si t e 1
VLANs 1 to 200
Cu st o m er X Si t e 1
VLANs 1 to 100
VLAN 30
Tr u n k
ports
Sw i t c h A
Tr u n k
ports
VLAN 30
VLAN 40
Se r v i c e
provider
101822
Tr u n k
Asymmetric link
VLAN 30
VLAN 40
Tr u n k
ports
Sw i t c h B
Sw i t c h C
Sw i t c h D
Tr u n k
ports