I actually meant to say when it raises RTS instead of DTR but I'm not sure
about either...

-----Original Message-----
From: Stull, Cory [mailto:[EMAIL PROTECTED]] 
Sent: Thursday, January 25, 2001 1:26 PM
To: 'Magdy Ibrahim'
Cc: '[EMAIL PROTECTED]'
Subject: RE: ISDN mulitiline aggregation! is that possible??


Magdy,

There are different ways to do this...  The easiest of which would be to get
an Adtran ISU 512 external ISU.   It will give a v.35 interface to the
router and allow you to plug up to 4 ISDN lines into it.   My guess is you
could use a floating static route out of the interface and the ISU would
dial when it sees DTR go high.

You could also do it using a router with multiple BRI interfaces and MPPP.  
Cisco has sample configs on this sort of thing using dialer interfaces,
etc..


Cory




-----Original Message-----
From: Magdy Ibrahim [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 25, 2001 12:44 PM
To: [EMAIL PROTECTED]
Subject: ISDN mulitiline aggregation! is that possible??


Hi all,
I am planning to install a backup uplink for my system using ISDN
connection. I am planning to establish 3 ISDN connection run only whin my
main connection goes down.
the problem is: I need to aggregate these three lines to establish one
connection with 384kbps is that possible?
If yes, How I can do the aggregation process??

Any advice will be appreciated.
Regards,

Magdy H. Ibrahim
MCSE, CCNA
System Administrator
Purenet Internetworking


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