On Fri, Aug 17, 2012 at 09:18:01PM -0600, Devin Reade wrote:
fred smith fredex@fcshome.stoneham.ma.us 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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