ZyXEL P-870MH-C1 User Guide - Page 78
Table 12, DSL PTM Interface Configuration
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Chapter 5 WAN Setup Figure 32 DSL PTM Interface Configuration The following table describes the fields in this screen. Table 12 DSL PTM Interface Configuration LABEL DESCRIPTION ATM PVC Configuration VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define a virtual circuit. This section is available only when you configure an ATM layer-2 interface. VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you. VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM traffic). Enter the VCI assigned to you. Select DSL Link Type Select EoA (Ethernet over ATM) to have an Ethernet header in the packet, so that you can have multiple services/connections over one PVC. You can set each connection to have its own MAC address or all connections share one MAC address but use different VLAN IDs for different services. EoA supports ENET ENCAP (IPoE), PPPoE and RFC1483/2684 bridging encapsulation methods. Select PPPoA (PPP over ATM) to allow just one PPPoA connection over a PVC. Encapsulation Mode Select IPoA (IP over ATM) to allow just one RFC 1483 routing connection over a PVC. Select the method of multiplexing used by your ISP from the dropdown list. Choices are: • VC/MUX: In VC multiplexing, each protocol is carried on a single ATM virtual circuit (VC). To transport multiple protocols, the Device needs separate VCs. There is a binding between a VC and the type of the network protocol carried on the VC. This reduces payload overhead since there is no need to carry protocol information in each Protocol Data Unit (PDU) payload. • LLC/SNAP-BRIDGING: In LCC encapsulation, bridged PDUs are encapsulated by identifying the type of the bridged media in the SNAP header. This is available only when you select EoA in the Select DSL Link Type field. • LLC/ENCAPSULATION: More than one protocol can be carried over the same VC. This is available only when you select PPPoA in the Select DSL Link Type field. • LLC/SNAP-ROUTING: In LCC encapsulation, bridged PDUs are encapsulated by identifying the type of the bridged media in the SNAP header. This is available only when you select EoA in the Select DSL Link Type field. 78 P-870HN-5xb User's Guide