[TriLUG] Multiple external IP addresses from DSL provider

[Mark Shuford]

In some situations you can have IP un-addressed interfaces (even on dial
links). Depends on what your other end is. You might dig into that. It's
been a while so, right off the top of my head I don't remember
specifics.



On 24 Aug 2005 23:12:35 -0400
Jon Carnes <jonc at nc.rr.com> wrote:

> The proof will be in the doing. I've done this with Cisco 831
> firewall/routers but not one of their units that handles DSL directly.
> I suspect that it can handle it as well, but you might have to do some
> *interesting* things to get it to work.
> 
> Good Luck - Jon Carnes
> 
> On Wed, 2005-08-24 at 15:17, John-David Henderson wrote:
> > So for this interfaces case, you are showing that you can
> > have multiple secondary IP addresses with associated subnet masks
> > on the Dialer 1 interface for DSL as well?
> >  
> > I know about secondary IP's for Ethernet0 for internal, but for
> > external also?
> >  
> > Thank you.
> >  
> > JD Henderson
> > <http://www.landemonium.com> 
> > email - jd at savagegeek.com
> > mobile - 919-649-5589
> >  
> > 
> > ________________________________
> > 
> > From: trilug-bounces at trilug.org on behalf of jonc
> > Sent: Wed 8/24/2005 2:31 PM
> > To: Triangle Linux Users Group discussion list
> > Subject: Re: [TriLUG] Multiple external IP addresses from DSL
> > provider
> > 
> > 
> > 
> > On Wed, 2005-08-24 at 14:04, Ken Mink wrote:
> > > On 8/24/05, John-David Henderson <jd at savagegeek.com> wrote:
> > > >
> > > > Also, if anybody knows, how would I do this with a Cisco router
> > > >
> > > > with an interface being called Dialer 1.
> > > >
> > >
> > > Someone else will have to help you there. Sorry.
> > >
> > >
> > interface FastEthernet0/0
> >  ip address 10.150.0.4 255.255.255.0
> >  ip address 10.150.0.5 255.255.255.0 secondary
> >  ip address 10.150.2.1 255.255.255.0 secondary
> > 
> > ...
> > 
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-- 
Mark Shuford