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Customer Edge Devices

Figure 131 shows four customer edge devices: CE 1, CE 2, CE 3, and CE 4. Each CE device is located at the edge of a customer site. In the sample topology, CE 1 and CE 3 are members of L2VPN A, and CE 2 and CE 4 are members of L2VPN B.

A CE device can be a single host, a switch, or, most typically, a router. Each CE device is directly connected to an VPWS provider edge router by means of a layer 2 interface.

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