On Fri, Aug 17, 2012 at 09:18:01PM -0600, Devin Reade wrote:
> fred smith <fredex@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> > On Thu, Aug 16, 2012 at 09:20:52PM -0700, John R Pierce wrote:
>
> >> this is on your eth0 side, I'm assuming thats the WAN side of your
> >> firewall/gateway ? if so, then yes, I imagine its something at your
> >> ISP, you might ask them what these are.
> >
> > Yup, that's the WAN side of the router. I'll go yell at them, probably
> > tomorrow.
>
> I wouldn't bother.
thanks for the info. I didn't really expect to get any swift action,
I kinda figured "it is what it is, like it or lump it" would be their
response. but I still might drop them an email with some log excerpts
just to see how they respond. I'm retired, I have plenty of time! :)
>
> Depending on the demarc equipment used by your ISP and how they have
> their network configured, you can wind up seeing this kind of crap
> and there's bugger-all that you can do about it
>
> For example, with a cable modem, your assigned upstream segment
> might be network-A, but other people in your neighborhood might be
> on network-B, both serviced by the same RF carrier. You shouldn't
> see unicast traffic for your neighbors, but you could very well see
> broadcast (and dhcp is the most likely culprit). I know of a
> particular case where the ISP will assign statics out of one pool,
> dynamic IPs out of the other pool, a single modem will service
> machines out of both pools, and therefore you also see broadcast
> out of both pools.
>
> This isn't specific to cable. With both cable and DSL providers
> I've seen both the only-see-your-own-traffic situation and the
> see-your-neighbors-broadcast situation. It all depends on the
> equipment and the configuration. And when I mean configuration,
> I'm talking about for everyone in your node, if not for your
> whole city. So it's unlikely that your ISP will change it just
> for you.
>
> But if you still want to call them, fill your boots ...
>
> Devin
> --
> He is a prime candidate for natural deselection.
>
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--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
"For him who is able to keep you from falling and to present you before his
glorious presence without fault and with great joy--to the only God our Savior
be glory, majesty, power and authority, through Jesus Christ our Lord, before
all ages, now and forevermore! Amen."
----------------------------- Jude 1:24,25 (niv) -----------------------------
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