
3-12
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
OL-1957-03
Chapter 3 Configuring with the Command-Line Interface
Configuring ISDN BRI WAN Interface Cards
Configuring ISDN BRI Lines
Before using a router with an ISDN BRI interface, you must order a correctly configured ISDN BRI line
from your local telecommunications service provider.
Step 8
Router(config-if)# exit
Exit back to global configuration mode.
Repeat Step 5 through Step 7 if your router has
more than one BRI interface that you need to
configure.
Step 9
Router(config-if)# memory-size iomem 40
By default, the router allocates 25 percent of
DRAM to shared memory (used for data
transmitted or received by network modules and
WAN interface cards). If your router includes 16
or more ISDN BRI interfaces, you must increase
the amount of shared memory by entering the
memory-size iomem command. This example
increases shared memory from 25 percent to
40 percent.
Step 10
Router(config)# Ctrl-z
When you finish configuring interfaces, return to
enable mode.
Table 3-6 ISDN Switch Types
Country ISDN Switch Type Description
Australia basic-ts013 Australian TS013 switches
Europe basic-1tr6 German 1TR6 ISDN switches
basic-nwnet3 Norwegian NET3 ISDN switches (phase 1)
basic-net3 NET3 ISDN switches (UK and others)
vn2 French VN2 ISDN switches
vn3 French VN3 ISDN switches
Japan ntt Japanese NTT ISDN switches
New Zealand basic-nznet3 New Zealand NET3 switches
North America basic-5ess AT&T basic rate switches
basic-dms100 NT DMS-100 basic rate switches
basic-nil1 National ISDN-1 switches
Command Purpose
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