From: Peng Zheng (zpnist@xxxxxxxxx)
Date: Mon Jul 08 2002 - 02:02:23 GMT-3
Thank you very much.
--- Carlos G Mendioroz <tron@huapi.ba.ar> wrote:
> 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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