Ppp Over Isdn Internet And Private Networks - Allied Telesis AR Router Configuration

2.6. PPP over ISDN Internet and Private networks

M a i l S e r v e r
1 9 2 .1 6 8 .1 0 .2
2 0 0 .2 0 0 . 2 0 0 .0 / 3 0
C en t re C O M A R 3 0 0
A c c es s R o u t e r
1 9 2 .1 6 8 . 1 0 .0
Note: Be aware that with many Internet Providers it may be more suitable to turn LQR (link quality reporting) off on PPP
links, and instead use LCP Echo Request and Echo Reply messages to determine link quality (echo=on). Simply add
'lqr=off echo=on' to the PPP creation command.
Router A
#
# System Configuration
#
set sys territory=<countrycode>
#
# ISDN Configuration
#
add isdn call=internet num=666 prec=out
add isdn call=siteb num=12345 prec=in
searchsub=local outsub=local
add isdn call=sitec num=34567 prec=in
searchsub=local outsub=local
#
# PPP Configuration
#
create ppp=0 over=isdn-internet idle=60
bap=off user=<username> pass=<password>
create ppp=1 over=isdn-siteb idle=60
create ppp=2 over=isdn-sitec idle=60
Router B and C configured as in example 2.4
Helpful Scripts
Revision 5.8.7; 5 April 2001
I S D N
p p p 0
S ite A
P u b lic
N A T
L AN W AN SYST EM
P r iv a t e
I n te rn e t
1 9 2 .1 6 8 . 2 5 4 .0 / 3 0
p p p 1
I S D N
p p p 2
1 9 2 .1 6 8 . 2 5 4 .4 / 3 0
Router A (Continued)
#
# IP Configuration
#
enable ip
add ip int=eth0 ip=192.168.10.1
add ip int=ppp0 ip=200.200.200.1
add ip int=ppp1 ip=192.168.254.1 mask=255.255.255.252
add ip int=ppp2 ip=192.168.254.5 mask=255.255.255.252
add ip route=192.168.1.0 next=0.0.0.0 int=ppp1
add ip route=192.168.2.0 next=0.0.0.0 int=ppp2
add ip route=0.0.0.0 next=0.0.0.0 int=ppp0
enable ip nat
enable ip nat log=all
# Note: NAT adds local subnets for all 3 sites
add ip nat ip=192.168.10.0 mask=255.255.255.0
gblip=200.200.200.1
add ip nat ip=192.168.1.0 mask=255.255.255.0
gblip=200.200.200.1
add ip nat ip=192.168.2.0 mask=255.255.255.0
gblip=200.200.200.1
add ip nat ip=192.168.10.2 mask=255.255.255.255
port=smtp gblip=200.200.200.1 gblport=smtp proto=tcp
Helpful Scripts
1 9 2 .1 6 8 . 1 . 0
S ite B
C en t re C O M A R 3 0 0
A c c es s R o u t e r L AN W AN SY STEM
1 9 2 .1 6 8 . 2 . 0
S ite C
C en t re C O M A R 3 0 0
A c c es s R o u t e r L AN W AN SY STEM
Page
13