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Community Member

Installing 801 router on dedicated ISDN

I need to configure 801 on a dedicated ISDN with a Static IP. Is it possible.? if it is then can any one help me out with a small example . Since there is no dial-up (there is no dialing involved) what is the changes in command for Interface BRI0. with reference to dialup ISDN . as shown below.

interface BRI0

ip address192.168.10.100 255.255.255.0

encapsulation ppp

load-interval 30

dialer idle-timeout 180

dialer map ip 191.10.20.40 name lals broadcast 2822530

dialer hold-queue 30

dialer load-threshold 80 outbound

dialer-group 1

isdn switch-type basic-net3

no fair-queue

ppp authentication chap

Any help will be apprecited

3 REPLIES
Cisco Employee

Re: Installing 801 router on dedicated ISDN

You need to configure the isdn BRI line as a leased line. So following url explains how to configure isdn leased line.

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/800/800swcfg/advscen.htm#1021214

Community Member

Re: Installing 801 router on dedicated ISDN

thanks for your link, one more query regarding this,

Is ther any link where it shows how BRI0 is configured

Secondly where we put the static IP got with ISDN line, is it given to BRIO.

Lastly how the router will connect to other leased Line router on the other end ( example configuration will be appreciated)

best regards

Re: Installing 801 router on dedicated ISDN

This is an example:

interface BRI0

description ISDN link

ip address 10.70.20.114 255.255.255.0

encapsulation ppp

ip tcp header-compression

load-interval 30

dialer idle-timeout 180

dialer enable-timeout 1

dialer map ip 10.70.20.1 name c3640 0123456789

dialer-group 1

isdn switch-type basic-net3

no fair-queue

ppp authentication chap

hold-queue 10 out

As you can see, there is not too much differnce with your own config.

Please note that the dialer map should refer to an ip adress in the same subnet. If not, routing will not be successful.

ppp authentication is done with the hostname and a password. This requires the use of a line like this in global config: username xxx passw cisco

In this case, xxx is the remote hostname.

Regards,

Leo

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