Installation guide

Cisco AS5850 Universal Gateway Commissioning Guidelines

78-10537-04

How to Commission the Cisco AS5850 Universal Gateway

Task 7. Configuring Ports and Lines

Ports and lines are configured after the following occur:

• The serial channels are operational.

• POTS telephone calls are successfully routed to the modems.

Each modem is mapped to a dedicated asynchronous line inside the universal gateway. After the modem

inout command is applied to the lines, the gateway is ready to accept modem calls.

AAA security is applied to the lines by the aaa new-model command and aaa authentication login

default local command. AAA performs logon authentication by using the local username database. The

Note Defaults for integrated modems are modem speed 115200 bps and hardware flow control.

To configure ports and lines, perform the following steps.

Step 1 Configure modem control (DCD/DTR) for incoming and outgoing modem calls.

Gateway(config)# line 2/00 10/323

Gateway(config-line)# modem InOut

Note The no modem log rs232 command limits the size of the show modem log command output.

Step 2 Familiarize yourself with the modem-numbering scheme for the Cisco AS5850. Modems use the

slot/port notation.

Gateway# show spe

Step 3 Choose a specific modem and inspect the modem-to-TTY line association. TTY lines are simulated

EIA/TIA-232 ports. In this example, TTY 648 is associated with modem 1/00.

TTY line numbers map to specific slots. Each slot is hard-coded with 324 TTY lines. In the example, the

first modem card is in slot 1.

Gateway# show SPE modem 1/00

Task 8. Enabling IP Basic Setup

To tune IP routing behavior and domain-name services for EXEC-shell users, perform the following

steps.

Step 1 Optimize IP routing functions. Enter the following commands in global configuration mode:

Gateway(config)# ip subnet-zero

Gateway(config)# no ip source-route

Gateway(config)# ip classless

Table 8 describes the previous commands.