Most likely the ISP has a layer 3 switch that has a single port (the port
out to them) configured for their subnet, and the route processor handles
their routing. Essentially they're just bridging to their ISP.
--
Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
List email: [EMAIL PROTECTED]
Homepage: http://jason.artoo.net/
Cisco resources: http://r2cisco.artoo.net/
""Kenneth"" <[EMAIL PROTECTED]> wrote in message
97r218$c0d$[EMAIL PROTECTED]">news:97r218$c0d$[EMAIL PROTECTED]...
> I'm curious, if you're connected to a switch, then you don't have control
> over your public IP Addresses then such as DNS,... or is this mostly used
> for office to office links as opposed to a gateway to the internet?
>
> I guess the reason i'm wondering is we currently have an entire class C
and
> we host our own DNS, web servers, ftp,... and I'm curious as to how this
> would affect our routings if we do go with such a service.
>
>
> Priscilla Oppenheimer <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > We upgraded our T1 WAN link that cost $1500 per month to a single-mode
> > fiber-optic 10-Mbps Ethernet MAN link that costs $700 per month. We just
> > have a switch at our site, no router even. Seriously. Our local
> > municipality has a Gigabit Ethernet single-mode fiber-optic ring running
> > around town, and they lease capacity on it. The city is connected to the
> > Internet via a Cisco 7200 and a Sprint T3 link. We piggy back onto that.
> >
> > And I'm in Southern Oregon, a supposedly rural area. It's happening in
> > other towns also. Sometimes I forget how lucky we are!
> >
> > Priscilla
> >
> > At 02:28 PM 3/2/01, Howard C. Berkowitz wrote:
> > > >I have a customer who wants to upgrade his 128K ISDN point to point
> > > >connections to at lease a 10mbps connection. He is thinking along
the
> lines
> > > >of LAN technologies. He idea connection is a 1gb connection. How
> would go
> > > >about explaining to this guy that he is out of his mind without
> damaging his
> > > >ego. His the IT manager and thinks he's knowledgeable about
networks.
> > >
> > >I wouldn't say he is totally out of his mind, if he's in a geographic
> > >area served by one of the bleeding edge Optical Ethernet providers.
> > >Very rare so far, but there are 100 or 1000 Mbps physical facilities
> > >over which the user pays for the amount of bandwidth he needs. Most
> > >of the ones I'm aware of are in Europe.
> > >
> > >In the vast majority of locations, he is out of his mind. Assuming
> > >he needs 10 Mbps, your choices include inverse multiplexed T1 and
> > >ATM, fractional T3, or 10 Mbps over OC-3 facilities. I had a design
> > >not too long ago where we were able to bring in some of the voice as
> > >well, and found that OC-3 was quite cost-effective. It ran into a
> > >7200. A 3600 is probably the lowest end router to consider.
> > >
> > > >
> > > >btw...
> > > >
> > > >I've gone ahead and gotten quotes on a t1 and t3 lines. I know I can
> use a
> > > >2600 for the T1 connection but what is there a adapter for taking a
> clear
> > > >channel T3 for the 2600 or do I have to look at a 7000 series router.
> > > >
> > > >Thanks,
> > > >
> > > >Keith Townsend
> > > >www.townsendconsulting.com
> > >\
> > >
> > >_________________________________
> > >FAQ, list archives, and subscription info:
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> >
> >
> > ________________________
> >
> > Priscilla Oppenheimer
> > http://www.priscilla.com
> >
> > _________________________________
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
>
>
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