Re: [Full-disclosure] is my ISP lying or stupid?

[Alex Buie <abuie@xxxxxxxxxxxxxxx>]

Hahahah, that's wonderful.
On Mar 21, 2012 12:06 PM, "Thor (Hammer of God)" <thor@xxxxxxxxxxxxxxx>
wrote:

> Actually, those promiscuous sub-VLANs are bad news.  I got a virus from
> one that turned my hard drive into a floppy.
>
> t
>
> >-----Original Message-----
> >From: full-disclosure-bounces@xxxxxxxxxxxxxxxxx [mailto:full-disclosure-
> >bounces@xxxxxxxxxxxxxxxxx] On Behalf Of Giles Coochey
> >Sent: Wednesday, March 21, 2012 8:49 AM
> >To: full-disclosure@xxxxxxxxxxxxxxxxx
> >Subject: Re: [Full-disclosure] is my ISP lying or stupid?
> >
> >On 2012-03-18 16:09, James Condron wrote:
> >>
> >> The routers of an ISP are sorta DHCP in the sense that the IPs are
> >> dynamic- DHCP really works as one network whereas an ISP switch will
> >> have a series of /30 vlans for obvious reasons. Getting an IP and
> >> connection is more complex than that but already we're down to a
> >> series of routers.
> >>
> >No, they'd use private VLANs with the default router in a promiscuous sub-
> >VLAN. That way they won't have to waste 4 IPs for every customer.
> >Customers with multiple IPs can be put in community sub-VLANs, if they pay
> >for it.
> >Networking works very differently within Service Provider networks. A lot
> of it
> >is technology that makes itself look like other technologies you might be
> >familiar with, but what is happening behind the scenes is actually
> completely
> >different.
> >
> >Just thought you might like to know.
> >
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> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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>

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/