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Webcast-Catalyst9k
New Member

isdn connection using ZyXEL TA

Hi,

We want to make a isdn connection with a cisco 2500 router using ISDN TA ZyXel Omni TA128.

Bu I couldn't success to do it.

I have configured serial port as below:

Is anubody know the config that what is needed in ZyXEL side and alos router side?

!

interface Serial0

ip unnumbered Loopback0

no ip directed-broadcast

encapsulation ppp

no ip mroute-cache

dialer in-band

dialer map ip 1.1.1.1 name aBaskent1 0703124057015

pulse-time 1

ppp authentication chap

ppp chap password xxxx

!

there is v35 cable between serial port and Zyxel.

Thanks in advance

Funda

3 REPLIES
VIP Purple

Re: isdn connection using ZyXEL TA

Hello,

I think the V.35 cable is not the right one, you need a DB-25 RS-232 cable for this to work.

Regards,

GP

New Member

Re: isdn connection using ZyXEL TA

Hi

my first trial with rs232 but doesn't help also.

Incco I saw that the connection can be v35 or

if the ta support only rs232 v35 to rs232 converter.

Now ý tried second one.

thanks.

New Member

Re: isdn connection using ZyXEL TA

hi

you want to make isdn connection between router and pc ( Isdn Ta is connected to )

1. We cann't connect isdn line to Serial 0 or 1 interface.

2 Isdn line should be connected to Bri or T1/E1 pri interfaces.

Router(Congif)#interface BRI0

Router(Congif-if)# ip unnumbered Ethernet0

Router(Congif-if)# no ip directed-broadcast

Router(Congif-if)# encapsulation ppp

Router(Congif-if)# dialer-group 1

Router(Congif-if)# isdn switch-type basic-net3

Router(Congif-if)# peer default ip address pool zoom

Router(Congif-if)# ppp authentication chap

Router(Congif)# ip local pool zoom 192.168.3.100 192.168.3.110

Router(Congif)# dialer-list 1 protocol ip permit

you should have 2503 router , Isdn line.

Pc side

1. install TA drivers

2. configure dialup adapter

i think your problem might be solved.

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