From: Martin, Chris (chris@xxxxxxxxxxxx)
Date: Tue May 01 2001 - 15:55:21 GMT-3
I concur with dennis. All PPP encapsulation does is allow you to do
authentication and have more overhead then HDLC. If you have PPP
encapsulation on one end of the router and not the other then obviously you
know your problem. Both rotuers running the Cisco proprietary default
shouldnt have a issue, so the most likely cause in my opinion is the switch
type setup or a error in the line itself.
----- Original Message -----
From: "Brian Dennis" <brian@5g.net>
To: "Mask Of Zorro" <ciscokid00@hotmail.com>; <ccielab@groupstudy.com>
Cc: <rmcneace@lucent.com>; <David.Halaska@getronics.com>
Sent: Tuesday, May 01, 2001 11:31 AM
Subject: RE: Cannot get ISDN to work
> No that's incorrect. You don't have to specify an encapsulation. You can
use
> the default for ISDN which is HDLC if you want.
>
> It's a lot easier for someone without a lot of dial experience to use HDLC
> when testing out an ISDN issue because it eliminates PPP as a potential
> cause of the problem. If you suspect an ISDN issue it just could just
> complicate matters by adding PPP.
>
> Brian Dennis
> CCIE #2210 (R&S)(ISP/Dial)
> CCSI #98640
>
>
>
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > Mask Of Zorro
> > Sent: Tuesday, May 01, 2001 10:22 AM
> > To: brian@5g.net; ccielab@groupstudy.com
> > Cc: rmcneace@lucent.com; David.Halaska@getronics.com
> > Subject: RE: Cannot get ISDN to work
> >
> >
> > Nevertheless, an encapsulation type must be specified... Use PPP.
> >
> > Also, you should look at q.921 as well as q.931.
> >
> > Use the service timestamps debug datetime msec global
> > configuration command
> > first, then use these commands at the same time:
> >
> > debug isdn event
> > debug isdn q921
> > debug isdn q931
> >
> > This will give you a good picture of what is going on.
> >
> > I am assuming you are using a simulator or your own switch, eh? Is the
> > switch type really basic-5ess?
> >
> > Look here for some good info about bringing up ISDN for your lab:
> > http://www.cisco.com/networkers/nw00/pres/3304/3304_c1_sec7.pdf
> >
> > Hope this helps!
> > Z
> >
> > PS - post the results of the debugs above if your still stuck!
> >
> > >From: "Brian Dennis" <brian@5g.net>
> > >Reply-To: "Brian Dennis" <brian@5g.net>
> > >To: <ccielab@groupstudy.com>
> > >CC: "'Roger McNeace'" <rmcneace@lucent.com>, "Halaska, David"
> > ><David.Halaska@getronics.com>
> > >Subject: RE: Cannot get ISDN to work
> > >Date: Tue, 1 May 2001 08:45:10 -0700
> > >
> > >This error from the output of the "debug isdn q931" command
> > isn't referring
> > >a PPP or HDLC error. It's referring to a D-channel error.
> > >
> > >Cause i = 0x80EF - Protocol error, unspecified .....
> > >
> > >EF "Protocol error, unspecified" An unspecified D-channel error with
no
> > >other standard cause.
> > >
> > >Brian Dennis
> > >CCIE #2210 (R&S)(ISP/Dial)
> > >CCSI #98640
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf
Of
> > > > Halaska, David
> > > > Sent: Tuesday, May 01, 2001 7:14 AM
> > > > To: 'Roger McNeace'; ccielab@groupstudy.com
> > > > Subject: RE: Cannot get ISDN to work
> > > >
> > > >
> > > > What protocol do you want use for encapsulation. The debug says
> > >"Protocol
> > > > error, unspecified"
> > > >
> > > > Try putting in encap ppp on both routers
> > > >
> > > > -----Original Message-----
> > > > From: Roger McNeace [mailto:rmcneace@lucent.com]
> > > > Sent: Tuesday, May 01, 2001 8:49 AM
> > > > To: ccielab@groupstudy.com
> > > > Subject: Cannot get ISDN to work
> > > >
> > > >
> > > > Can anyone tell me what I am doing wrong. I can not get the
following
> > >ISDN
> > > > lab configs to work. I also included output from show and debug
> > >commands.
> > > > Thanks
> > > >
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