[c-nsp] ip tcp adjust-mss

[Aaron]

Must a difference in worlds. I'm coming from Tier 1 ISP.
Enterprise, yes I see your point.


On Mon, Feb 11, 2013 at 4:51 PM, Mack McBride <mack.mcbride at viawest.com>wrote:

> It is common practice because people do not control all of the MTU sizes**
> **
>
> on all of the links in their network.  If you control all of the links****
>
> you raise the MTU.  Sometimes that isn’t an option due to providers or****
>
> legacy equipment (sometimes equals more often than not).****
>
> I never said it was good, I said it was common.****
>
> In a follow up response I compared it to smoking and drinking.****
>
> Lots of people do it but it doesn’t make it healthy.****
>
> I am suffering in the fourth year of trying to get such a link replaced.**
> **
>
> Thankfully it is the last one. At least till we make another acquisition.*
> ***
>
> ** **
>
> LR Mack McBride****
>
> Network Architect****
>
> ** **
>
> *From:* Aaron [mailto:dudepron at gmail.com]
> *Sent:* Monday, February 11, 2013 2:44 PM
> *To:* Mack McBride
> *Cc:* Eric A Louie; Cisco NSP
>
> *Subject:* Re: [c-nsp] ip tcp adjust-mss****
>
> ** **
>
> Disagree, it is not a common practice.****
>
> You should make your MTU large enough.****
>
> ** **
>
> On Mon, Feb 11, 2013 at 3:54 PM, Mack McBride <mack.mcbride at viawest.com>
> wrote:****
>
> This is very common practice and practically everyone does it.
> Usually if you have your own backbone you enlarge the backbone packet size
> though.
> Sometimes that isn't an option due to provider switches in the path.
>
> LR Mack McBride
> Network Architect****
>
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:
> cisco-nsp-bounces at puck.nether.net] On Behalf Of Eric A Louie
> Sent: Monday, February 11, 2013 12:56 PM
> To: Cisco NSP
> Subject: [c-nsp] ip tcp adjust-mss
>
> I just put in this command on my upstream interfaces to help my mpls
> network pass traffic - that is, my effort to eliminate fragmentation in my
> backbone.
>
> Is anyone else using this method of "mtu control"?  I need some support -
> my CEO is asking why I have to do this, and who else does it, and is it a
> common practice, etc, so I'm looking for evidence, more than just "The
> Cisco TAC told me to do it".
>
> thanks
>
>  Much appreciated, Eric
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