From: Carlos G Mendioroz (tron@xxxxxxxxxxx)
Date: Sun Jul 07 2002 - 20:12:00 GMT-3
Peng,
As the name implies, DTR dialing does the "dialing" just by signalling
the line ready to a modem via raising DTR (Data Terminal Ready).
So there is no dialing to be programmed in the router. You should do it
in the modem...
Peng Zheng wrote:
>
> Hi,
>
> In chapter 19 of "CCIE FUNDAMENTALS NETWORK DESIGN AND
> CASE STUDYS SECOND EDITION", page 730, there is a
> configuration for DTR Dialing Backup.
>
> Central Side:
>
> interface serial 1
> ip address 128.10.200.66 255.255.255.192
> backup interface serial 4
> backup delay 0 20
>
> ....
>
> interface serial 4
> ip address 128.10.200.67 255.255.255.192
> pulse-time 10
>
> ....
>
> Remote Site:
>
> interface serial 0
> ip address 128.10.200.65 255.255.255.192
> backup interface serial 4
> backup delay 0 20
>
> ....
>
> interface serial 1
> ip address 128.10.200.68 255.255.255.192
> pulse-time 10
>
> ....
>
> I'm wondering if "dialer string" or "dialer in-band"
> is required under interface serial 4 on Central Site.
> and under interface serial 1 on remote site, is
> "dialer in-band" required?
>
> Thank you for help.
>
> Best Regards,
> Peng Zheng
>
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