Re: PPPoE

Larger packets will be dropped. On the downstream interfaces you can use "ip tcp adjust-mss" to remedy the problem for TCP.

--
Marko Milivojevic - CCIE #18427
:: This message was sent from a mobile device. I apologize for errors and brevity. ::
On May 28, 2012, at 18:17, Janesha Abeydeera <janesha_abey_at_yahoo.com.au> wrote:
> Hi Marc,
> 
> by setting the mtu to 1492 ,what happens to larger packets? do they
> get dropped?
> 
> 
> as an alternative, could we  set the df bit via route-map and
> apply it to the interface?
> 
> 
> Thanks,
> Janesh
> 
> 
> ________________________________
> From: marc abel <marcabel_at_gmail.com>
> To: Vincent Tay <vtay.75_at_gmail.com> 
> Cc:
> Carlos G Mendioroz <tron_at_huapi.ba.ar>; Adam Booth <adam.booth_at_gmail.com>;
> "Ccielab_at_groupstudy.com" <ccielab_at_groupstudy.com> 
> Sent: Tuesday, 29 May 2012
> 6:21 AM
> Subject: Re: PPPoE
> 
> Interleaving is a function of fragmenting. As we
> know we must set the MTU
> to 1492 on PPPoE links to avoid fragmentation. Maybe
> this is what they
> mean, set the MTU so you don't have fragmentation?
> 
> On Mon,
> May 28, 2012 at 8:12 AM, Vincent Tay <vtay.75_at_gmail.com> wrote:
> 
>> Hi,
>> 
>> I
> come across this question while working on a workbook. It does not have
>> any
> solution information so i was curious. Then, i search the web and in
>> fact
> see some issue with PPPoE and interleaving in some ISP forum.Being
>> 
> practical, i want to know more so that i could use it some day.
>> 
>> Regards
>> 
> Vincent Tay
>> 
>> On Mon, May 28, 2012 at 7:12 PM, Carlos G Mendioroz
> <tron_at_huapi.ba.ar
>>> wrote:
>> 
>>> Would you share why do you want to do that ?
>>> 
>>> Vincent Tay @ 27/05/2012 23:38 -0300 dixit:
>>> 
>>> hi all, thanks.
> how do i configure to prevent interleaving?
>>>> 
>>>> Regards
>>>> Vincent Tay
>>>> 
>>>> On 27 May, 2555 BE, at 10:59 PM, Carlos G
> Mendioroz<tron_at_huapi.ba.ar>
>>>> wrote:
>>>> 
>>>> Adding to what Adam said,
> interleaving also may happen at ADSL,
>>>>> underneath of pppoe, to distribute
> the data over time get better
>> protection
>>>>> of data loss from spike
> noise.
>>>>> 
>>>>> I mention this because of your will to get rid of
> interleaving.
>>>>> Interleaving in LFI has no really bad side to it.
> Interleaving in ADSL
>>>>> brings latency up.
>>>>> 
>>>>> -Carlos
>>>>> 
>>>>> 
> Adam Booth @ 27/05/2012 10:11 -0300 dixit:
>>>>> 
>>>>>> Hi Vincent,
>>>>>> 
>> 
>>>>> Interleaving is a function associated with ML-PPP (typically you find
>> 
>>>>> reference to it as LFI). You could do ML-PPPoE if you really wanted
>> to,
>>>>>> I
>>>>>> guess as a way to increase bandwidth or provide access
> resiliency.
>>>>>> 
>>>>>> Cheers,
>>>>>> Adam
>>>>>> 
>>>>>> On Sun, May 27,
> 2012 at 10:49 PM, Vincent Tay<vtay.75_at_gmail.com>
>>>>>> wrote:
>>>>>> 
>>>>>> 
> Hi all,
>>>>>>> 
>>>>>>> How do i ensure that there are no interleaving for
> PPPoE? What does
>> it
>>>>>>> means and how do i configure it?I have search
> the entire documents in
>>>>>>> vain.
>>>>>>> 
>>>>>>> Regards
>>>>>>> 
>>>>>>> 
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>> 
>>>>>>> 
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>>>>>> 
>>>>>> 
>> 
>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> --
>>>>> Carlos G Mendioroz<tron_at_huapi.ba.ar> 
> LW7 EQI  Argentina
>>>>> 
>>>> 
>>>> 
>>>> Blogs and organic groups at
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>>>> 
>> 
>>> 
>>>> 
>>> --
>>> Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
>> 
>> 
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> -- 
> Marc Abel
> CCIE #35470
> (Routing and Switching)
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