Can I Bond two T1s that are not in the same slot?

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Apr 16th, 2009
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I have a Cisco 1841. I'm curious to know if you can bond T1s together that aren't in the same slot.



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jason.aguero Thu, 04/16/2009 - 09:44
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thotsaphon provided a GREAT example, do you have any other sample config that I may be able to use? I just like to maybe have a back up plan.


Any assistance is great.

thotsaphon Thu, 04/16/2009 - 08:31
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Jason,

Do you mean Multilink? Yes,You can


Toshi

jason.aguero Thu, 04/16/2009 - 08:48
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I have a main site and a remote site that are connected to share bandwidth.


I have a 1841 at the remote site. There is a free slot in the Cisco 1841 at the remote site. I think I can add up to two more T1s in the open slot. Is this correct?

Slot 0: empty

Slot 1: Contains a WIC with two T1 connections.


I have a Cisco 2800 at the main site with multiple slots open.


I am trying to add more bandwidth to the remote site.


Any assistance?

thotsaphon Thu, 04/16/2009 - 08:57
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Jason,

Cisco1841 has 2 HWIC slots. So you can add another card on slot0. Are you going to implement Multilink?


Toshi

jason.aguero Thu, 04/16/2009 - 09:02
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yes, PPP Multilink.


Any idea how I could set this up? Will I be able to bond the T1s on both slots.

thotsaphon Thu, 04/16/2009 - 09:14
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Jason,

You can set it up(both sides). Here is an example.


controller T1 0/0/0


framing esf


linecode b8zs


channel-group 0 timeslots 1-24


!

controller T1 0/1/0


framing esf


linecode b8zs


channel-group 0 timeslots 1-24


!


interface Multilink1


ip address 1.1.1.1 255.255.255.252


no cdp enable


ppp multilink


ppp multilink group 1


!


interface Serial0/0/0:0


no ip address


encapsulation ppp


no fair-queue


ppp multilink


ppp multilink group 1


!

!


interface Serial0/1/0:0


no ip address


encapsulation ppp


no fair-queue


ppp multilink


ppp multilink group 1


!


Will I be able to bond the T1s on both slots? Don't worry too much. It can.



HTH,

Toshi

jason.aguero Thu, 04/16/2009 - 10:01
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Thanks for your last response, that was QUICK!


By chance would you have another sample (you can leave out the T1 config portion)?


I just always like to have a backup plan?

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