RE: PPP with Multilink

From: Marko Berend (marko.berend@storm.hr)
Date: Mon Feb 16 2004 - 05:00:09 GMT-3

Ahmed,

If you're using Adtran Atlas ISDN simulator, this will be of interest to you.

http://www.adtran.com/adtranpx/Doc/0/075RA6EBVJB139RU038BE81ID8/When+I+dial+into+my+ADTRAN+unit+from+the+PRI-BRI+interface+of+my+Cisco+router%2C+I+cannot+make+an+MLPPP+connection.html

In short:

The Cisco router is dialing both numbers simultaneously. ADTRAN units do not support simultaneous answering of calls. The Cisco router must be set to dial the numbers one at a time. This can be done by adding the following command to the Cisco router configuration:

isdn fast-rollover-delay 1

-----Original Message-----
From: Ahmed Mustafa [mailto:ahmed.mustafa@sbcglobal.net]
Sent: 16. veljaha 2004 8:37
To: kaiseranwar@sbcglobal.net; ccielab@groupstudy.com
Subject: Re: PPP with Multilink

Kaiser/Bill,

According to InterneworkExpert Workbook, Either the "Dialer Load-Threshold or PPP multilink link-min 2" could achieve the desired results. I also tried, "Load-Threshold command, but no luck.

----- Original Message -----
From: "Kaiser anwar" <kaiseranwar@sbcglobal.net>
To: "'Ahmed Mustafa'" <ahmed.mustafa@sbcglobal.net>; <ccielab@groupstudy.com>
Sent: Sunday, February 15, 2004 11:09 PM
Subject: RE: PPP with Multilink

>
>
> You will need to use dialer load-threshold command to bring the second
> B channel up. I don't see that in your config.
>
> Thanks
> Kaiser
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Ahmed Mustafa
> Sent: Monday, February 16, 2004 12:56 AM
> To: ccielab@groupstudy.com
> Subject: PPP with Multilink
>
> I am not able to bring up both both B channels. When I generate a
> normal ping or extended ping with big datagram size, and still it will
> only bring one
> channel up, not both of them. Please see my config below, and let me
know
> if
> there are any errors. I am using Astricom ISDN Simulator, not a true
> ISDN Switch. Is is because of that.
>
> Thanks,
>
>
>
> R4
> ----------------------------------------------------
> interface BRI0
> ip address 183.1.45.4 255.255.255.248
> encapsulation ppp
> ip ospf demand-circuit
> dialer map ip 183.1.45.5 name Rack1R5 broadcast 552221 dialer-group
> 1 isdn switch-type basic-ni
> isdn spid1 30355511110101
> isdn spid2 30355511120101
> ppp authentication pap
> ppp pap sent-username Rack1R4 password 0 CISCO
> ppp multilink
> ppp multilink links-min 2
> -------------------------------------------------------------------------- 

--
> -
> ------
>
> R5
> ----------------------------------------------------------------------
> ----
--
> -
> -----
>
> interface BRI0
>  ip address 183.1.45.5 255.255.255.248
>  encapsulation ppp
>  ip ospf demand-circuit
>  dialer idle-timeout 180 either
>  dialer map ip 183.1.45.4 name Rack1R4 broadcast 5551111  dialer-group 
> 1  isdn switch-type basic-ni
>  isdn spid1 30355522220101
>  isdn spid2 30355522210101
>  ppp authentication pap
>  ppp pap sent-username Rack1R5 password 0 CISCO
>  ppp multilink
>  multilink min-links 2
>
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