Re: Hardware router performance
I have Cable connection - no adsl
On Sat, 13 Sep 2003 16:02:40 +0200
Osamu Aoki <osamu@debian.org> wrote:
> On Sat, Sep 13, 2003 at 05:10:03AM -0400, tvn wrote:
> > For clarification, this slown response & data transfer is also for
> > the desktops that are wired directly to the switch/router ... not
> > just wireless.
>
> What is your MTU? If your router is connected to ADSL, that may be
> it. Set it to a smaller 1492.
> ---
> Note Note
> PPPoE adds 8 bytes of extra overhead to the ethernet frames and
> the correct initial maximum setting for the ppp0 interface MTU is
> 1492. If the MTU is set too high, it may cause a fubar packet
> fragmentation scenario, known as the Path MTU Discovery blackhole
> where the two ends of the connection fail to communicate. A
> typical symptom would be the failure of some web pages to load
> properly, and possibly other annoying problems. You may need to
> also set the MTU for interfaces on any masqueraded LAN
> connections MTU to 1452. This does not apply to PPPoA, bridged,
> or routed configurations, just PPPoE! See rfc2923 for a technical
> explanation.
> ---
> See more on DSL-HOWTO in doc-linux-text package.
>
> Osamu
>
>
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--
ThanhVu Nguyen
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