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Bonded T1 dedicated circuit

Posted on 2011-10-10
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Last Modified: 2012-05-12
Looking for some config examples or tips on how to configure a dedicated circuit connection. On one end I have a cisco 2811 with a 2 port wic card and on the other end I have a cisco 2851 with a 2 port vwic. I want to use both ports on each router to create a bonded T1 connection. Would this be the same as configuring a bonded T1 with the ISP? Which end would do the clocking?

Any help is appreciated.
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Question by:jwil320
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ein_mann_betrieb earned 2000 total points
ID: 36942631
Hi.

It would do true bonding over two interfaces.  Just like bonding with an ISP.  Either end can be setup with the clock rate... I usually choose the one which is considered the "head end" or the one at the primary location.


interface Multilink1
description connected to Other Place
ip address 10.10.10.1 255.255.255.252
ppp multilink
ppp multilink fragment disable
ppp multilink group 1


interface Serial0/0
description multilink 1 interface
no ip address
encapsulation ppp
no keepalive
no fair-queue
ppp multilink
ppp multilink group 1


interface Serial0/1
description multilink 1 interface
no ip address
encapsulation ppp
no keepalive
no fair-queue
ppp multilink
ppp multilink group 1

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by:jwil320
ID: 36942675
Thanks for your reply.

I would set the clock rate on the multilink interface correct?

Also would it be smart to configure the controllers to clock source line independent?
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Author Comment

by:jwil320
ID: 36943081
or would I have to configure the clock rate on each serial interface in the multilink group?
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Expert Comment

by:ein_mann_betrieb
ID: 36943423
Hi,

Clock would need to be on each of the serial interfaces ("clock source internal" parameter).

Same with framing and linecode values...  This mostly depends on what your provider recommends for support on your smartjacks.

-Cheers, Peter.
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Author Comment

by:jwil320
ID: 36944418
the clock source internal parameter should only go on the router providing the clocking correct? or does it need to be on both routers?
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Expert Comment

by:ein_mann_betrieb
ID: 36944802
Hi.  Only on one router should be providing the source.   It sounded like your doing your own point - to - point, so choose whatever end you want.

-Cheers, Peter.  :-)
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Author Comment

by:jwil320
ID: 36950251
Thanks again for your replies.

Everything works fine.
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