On 2012-08-06, David Walker wrote:
> Interestingly this is the exact setup that ran with the previous ISP
> so presumably they handled all that within their network and passed on
> packets somewhat smaller than 1500 to me. I never had to reassemble
> packets or scrub them or negotiate size.
Some
Daniel Melameth
> What have you tried?
MSS probably incorrectly.
I had a 4.9 install I think with a lot of rules but I've started from
scratch with 5.1 over the weekend and I think I've got it now.
> TCP negotiates MSS so a TCP session will never have an MSS higher than
> what one side can accep
Remi Locherer
> The MSS field from your syn packages tells the other side what max package
> size you accept. I found this white paper helpful to understand MTU,
> PMTUD and MSS:
You are apparently correct.
This doesn't help:
match in all scrub (no-df)
This does help:
match in all scrub (no-df ma
On Sun, Aug 5, 2012 at 9:24 AM, David Walker wrote:
> Daniel Melameth wrote:
>> When using pppoe(4), MSS can be a problem. I recommend you read the
>> MTU/MSS ISSUES section of the man page and see if that resolves your
>> issue.
>
> I have read and tried.
What have you tried?
> As far as I ca
On Mon, Aug 06, 2012 at 12:54:48AM +0930, David Walker wrote:
> Daniel Melameth wrote:
> > When using pppoe(4), MSS can be a problem. I recommend you read the
> > MTU/MSS ISSUES section of the man page and see if that resolves your
> > issue.
>
> I have read and tried.
> As far as I can see ther
Daniel Melameth wrote:
> When using pppoe(4), MSS can be a problem. I recommend you read the
> MTU/MSS ISSUES section of the man page and see if that resolves your
> issue.
I have read and tried.
As far as I can see there's an issue with incoming packets.
AFAIUI, MSS will limit the size of outgo
On Sun, Aug 5, 2012 at 7:50 AM, David Walker wrote:
> I've had a bridged modem and OpenBSD gateway setup for years on a
> particular Australian ISP. I've never re-assembled packets and worried
> over MTU or fragments.
> Everything just worked ...
> Recently one of the companies I work for changed
Hi.
I've had a bridged modem and OpenBSD gateway setup for years on a
particular Australian ISP. I've never re-assembled packets and worried
over MTU or fragments.
Everything just worked ...
Recently one of the companies I work for changed ISP. I swapped the
relevant details on the gateway, hostna
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