[c-nsp] Cisco MultiLink PPP

[Lobo]

MLPPP is also supported on the ESR 10008 series.

Jose

Oliver Boehmer (oboehmer) wrote:

>Lawrence Wong <> wrote on Thursday, March 24, 2005 9:16 AM:
>
>  
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>>I am thinking of combining 2 x T1 (1.5Mbps) into a
>>larger pipe of 3Mbps for greater capacity via MLPPP.
>>
>>I would like to check if MLPPP is supported on all
>>Cisco platforms with Serial interface or is it only
>>supported on selected platforms.
>>    
>>
>
>It is supported on all low- to mid-end routers up to and including 7500,
>check the release notes and/or feature navigator for higher-end as well
>as hardware-based platforms
>
>  
>
>>Under MLPPP, will traffic be distributed amongst both
>>links (i.e. I can download at max of 4Mbps) or am I
>>limited to the max of each link (i.e. I can download
>>at max of 2Mbps).
>>    
>>
>
>A single session can use up to 4Mbps. MLPPP will distribute the packets
>over both links making sure to preserve the packet sequence.
>
>  
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>>How processor intensive is MLPPP?
>>    
>>
>
>In halfway recent code it is CEF switched and 2x2Mbps should be a
>non-issue.. You can optimize by disabling fragmentation, but it should
>not be needed to do this.
>
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>>Are there any caveats to look out for?
>>    
>>
>
>you want to make sure the delay over both links is somewhat equal.
>Otherwise MLPPP could run out of buffers trying to reassemble fragments
>or preserving the packet order. 
>
>	oli
>
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