Cabletron Systems T1 manual WAN Interface Configuration Screen Fields

Chapter 3: Local Management for T1 Service

3.2.1WAN Interface Configuration Screen Fields

This section describes the WAN Interface Configuration screen fields.

Interface Number (Modifiable)

Displays the active Interface Number. Used to configure the Interface Numbers that were assigned to the Timeslots on the WAN Physical Configuration screen.

Max Xmit Unit (Modifiable)

Displays the maximum packet size that can be transmitted on the selected interface. The default settings for this field depend on the Protocol Manager chosen.

ProtMgr Iface (Modifiable)

Interface number used for the Protocol Manager chosen.

Active Protocol (Read-Only)

Displays the active OSI layer protocol (Protocol Manager) chosen for the WPIM-T1/DDS. There is one set of parameters displayed for FR, and one set for PPP. Refer to Section 3.2.1.1 for information on the Active Protocol set to Frame Relay, and Section 3.2.1.2 for PPP information.

3.2.1.1Frame Relay as the Protocol Manager

Refer to Figure 3-4for the following parameters displayed for FR.

FR LMI (Selectable)

Frame Relay Link Management Interface. This field displays ANSI_94, NO LMI, T1.617-D or Q.933-A. The NO LMI setting is for specialized applications in which no Frame Relay Link Management is available or required.

DLCI Address (Modifiable)

Data Link Connection Identifier given by the Service Provider. Can be set to values from 0-1023, depending on the protocol, when available for modification with certain protocol modes. The values 0-15 and 1008-1022 are reserved DLCI addresses. When using FR PtoMP as the Protocol Manager, the WPIM-T1/DDS can learn the DLCIs dynamically from the switch.

DLCI DCP En (Toggle)

Enables the user to turn Data Compression Protocol On or Off on an application port per application port basis when available. The DLCI port must be entered to change compression.

3-8 WPIM-T1/DDS User’s Guide