Cisco Systems Sample config of Bonded T1

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Subject Author Date
Sample config of Bonded T1 mimiseh 08-02-07
Posted by mimiseh on August 2, 2007, 9:42 am
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Hi,
We need more bandwidth for the internet connection(Dedicated internet
connection), so our ISP (Qwest) is setting us up with a second T1 line,
which will be "bonded" with the original T1. We will be using the same
existing addresses for simplicity. However, I have never done this before
and can anyone show me the sample how to configure a bonded T1 on a 3600
Cisco router. Thanks...




Posted by Doug McIntyre on August 2, 2007, 10:02 am
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> We need more bandwidth for the internet connection(Dedicated internet
>connection), so our ISP (Qwest) is setting us up with a second T1 line,
>which will be "bonded" with the original T1. We will be using the same
>existing addresses for simplicity. However, I have never done this before
>and can anyone show me the sample how to configure a bonded T1 on a 3600
>Cisco router. Thanks...

You can do it a couple of ways. It would be best to ask Qwest how they
are going to do so you can match, and I'd bet they'd be able to give
you the correct config at the same time.

If you want to research, you can do MPPP, or CEF load balancing. Or
even MLFR.

All of them are quite popular in the ISP environment for doing that.



Posted by Scott Perry on August 2, 2007, 2:43 pm
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Multipoint PPP is where the PPP over a single T-1 line becomes PPP spread
over multiple T-1 lines. Make sure that your T-1 controller or WIC supports
this.

controller T1 0/0/0
framing esf
linecode b8zs
channel-group 0 timeslots 1-24
!
controller T1 0/0/1
framing esf
linecode b8zs
channel-group 0 timeslots 1-24
!
interface Multilink1
ip address 11.12.13.14 255.255.255.252
no cdp enable
ppp multilink
ppp multilink fragment disable
ppp multilink group 1
!
interface Serial0/0/0:0
description *** circuit ID W0KXXXX ***
bandwidth 1544
no ip address
encapsulation ppp
no fair-queue
no cdp enable
ppp multilink
ppp multilink group 1
!
interface Serial0/0/1:0
description *** circuit ID W0KXXXX ***
bandwidth 1544
no ip address
encapsulation ppp
no fair-queue
no cdp enable
ppp multilink
ppp multilink group 1

--

===========
Scott Perry
===========
Indianapolis, Indiana
________________________________________
> Hi,
> We need more bandwidth for the internet connection(Dedicated internet
> connection), so our ISP (Qwest) is setting us up with a second T1 line,
> which will be "bonded" with the original T1. We will be using the same
> existing addresses for simplicity. However, I have never done this before
> and can anyone show me the sample how to configure a bonded T1 on a 3600
> Cisco router. Thanks...
>
>
>



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