Step 2
In global configuration mode on SanJose1, use the following to configure the username and
password information for the remote router and an enable password for SanJose1:
SanJose1(config)#username Capetown password cisco
SanJose1(config)#enable password cisco
SanJose1(config)#line vty 0 4
SanJose1(config-line)#password cisco
SanJose1(config-line)#login
SanJose1(config-line)#exit
Note: Use the enable secret password here, but for the purposes of this lab, an enable
password is all that is needed. Later in the lab a telnet to SanJose1 will be preformed, therefore,
the virtual terminal configuration is necessary.
Configure SanJose1 to use the appropriate ISDN switch type. The ISP will provide this information
and in this case, the International Travel Agency has been told their provider is using the National
switch type. Enter the following command:
SanJose1(config)#isdn switch-type basic-ni
Next, set up a dialer list to use with DDR. This dialer list will be used to identify interesting traffic, that
is, traffic for which the ISDN link should be established. The International Travel Agency wants to
restrict what constitutes “interesting” traffic. However, at this time use the following command:
SanJose1(config)#dialer-list 1 protocol ip permit
This permissive command will establish the link for any IP traffic that needs to be routed out the BRI
interface. In Step 7, this dialer list will be reconfigured to fulfill the client's requirements completely.
Finally, configure a static route to the Capetown stub network (192.168.216.0/24) as follows:
SanJose1(config)#ip route 192.168.216.0 255.255.255.0 192.168.16.3
Step 3
Configure the SanJose1 BRI interface with IP address, encapsulation, and authentication settings as
follows:
SanJose1(config)#interface bri0/0
SanJose1(config-if)#ip address 192.168.16.1 255.255.255.0
SanJose1(config-if)#encapsulation ppp
SanJose1(config-if)#ppp authentication chap
In order for this BRI to establish a connection with the service provider’s ISDN switch, configure at
least one service profile identifier (SPID). With two B channels, configure two SPIDs. Enter the
following commands on SanJose1:
SanJose1(config-if)#isdn spid1 51055510000001 5551000
SanJose1(config-if)#isdn spid2 51055510010001 5551001
Organizations are typically charged by the minute when making a DDR call. Therefore, it is very
important to consider changing the dialer idle-timeout default value of 120 seconds to a lower value.
If the connection is idle, the router will wait for this configurable period of time before closing the
connection. The International Travel Agency would like an aggressive idle timeout set in order to
reduce costs. Use the following command to change the timer:
2 - 7 CCNP 2: Remote Access v 3.0 - Lab 4.9.1 Copyright 2003, Cisco Systems, Inc.
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