From owner-freebsd-isp  Sat Nov 13  5: 7:27 1999
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From: "Michael Hallgren" <m.hallgren@free.fr>
To: <freebsd-isp@FreeBSD.ORG>
References: <NDBBJJENKLPPKCEBOILBEEDGCAAA.st@i-plus.net>
Subject: Re: wasting ip's on dedicated lines
Date: Sat, 13 Nov 1999 14:04:42 +0100
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>
> Lief,
>
> You can run your connections unnumbered, but this can make it difficult to
> troubleshoot some problems.
>
> Alternatively, you can use public address space (10.*.*.*) for your PtP
> connections.  This will let everything work normally as far as your
internal
> stuff goes.  The only side affect would be a strange looking traceroute
for
> people outside your network.


And is potentially harful to path_mtu discovery.


mh


>
> If you look around, you'll find that most people do use the /30 for their
> PtP connections.  It's actually considered 100% usage of your IP space,
and
> nobody is going to fault you for doing it or ask you to recover that space
> before allocation of additional space.
>
> -Troy
>
>
> > -----Original Message-----
> > From: owner-freebsd-isp@FreeBSD.ORG
> > [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of Leif Neland
> > Sent: Saturday, November 13, 1999 5:55 AM
> > To: freebsd-isp@FreeBSD.ORG
> > Subject: wasting ip's on dedicated lines
> >
> >
> > We're going to connect several sites througg dedicated lines:
> >
> > Our site
> >      |
> > router   100.100.100.1/24   (cisco 2600, channelized E1 (soon))
> > modem
> >      |    telco lines
> > modem
> > router   100.100.101.1/30   (cisco 1005)
> >      |
> > Fbsd firewall/proxy outside 100.100.101.2/30
> >      |                          inside  192.168.0.1/30
> >
> >
> > This means I'll use 4 ip's for each remote site on the cable
> > between router and firewall:
> > 100.100.101.0: network
> > 100.100.101.1: cisco
> > 100.100.101.2: firewall
> > 100.100.101.3: broadcast
> >
> > Next site will use 100.100.101.4 to 100.100.101.7
> >
> > This seems rather wastefull.
> >
> > Can this be avoided? I could use Sangoma cards in the firewall, I guess.
> >
> > BTW, Does somebody sell cheap cisco's on the net?
> >
> > Leif
> >
> >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-isp" in the body of the message
> >
>
>
>
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