packet loss question

William Herrin bill at herrin.us
Fri Jul 8 16:50:47 UTC 2016


On Fri, Jul 8, 2016 at 9:09 AM, Ken Chase <math at sizone.org> wrote:
> And we know the whole internet observes handling
> mtu discovery properly
> and doesnt just firewall all ICMP because 'hackers'.
>
> (OP's issue may well be MTU discovery, esp if he's on
> broadband. Don't have
> enough details. I just solved this exact problem a couple
> weeks ago for a
> client with an UBNT ERX by turning on it's MTU hacking
> feature. Sites that
> engaged in ICMP mtu blocking included cnn.com.)

Heh. And because life isn't interesting enough, Amazon AWS has started
defaulting their larger VMs to a 9001 byte interface MTU.


> I meant routers are allowed to drop ICMP request
> packets to themselves, not
> the packets to be transitted. I wasnt clear.

I think you really meant echo-request packets to themselves, right? ;)

Regards,
Bill Herrin


-- 
William Herrin ................ herrin at dirtside.com  bill at herrin.us
Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>



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