Hahahah, that's wonderful. On Mar 21, 2012 12:06 PM, "Thor (Hammer of God)" <[email protected]> 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: [email protected] [mailto:full-disclosure- > >[email protected]] On Behalf Of Giles Coochey > >Sent: Wednesday, March 21, 2012 8:49 AM > >To: [email protected] > >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. > > > >_______________________________________________ > >Full-Disclosure - We believe in it. > >Charter: http://lists.grok.org.uk/full-disclosure-charter.html > >Hosted and sponsored by Secunia - http://secunia.com/ > > _______________________________________________ > Full-Disclosure - We believe in it. > Charter: http://lists.grok.org.uk/full-disclosure-charter.html > Hosted and sponsored by Secunia - http://secunia.com/ >
_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
