On Fri, Oct 22, 1999 at 08:56:19PM +0930, Leigh Hart wrote:
> G'day folks,
>
> I used to do this on my permanent link at home a while ago -- my ISP
> provided me with a /30 network address with which to run the point-
> to-point link, and then they routed my class C via my end of the /30,
> and I was told to default via their end of the /30.
>
> This meant that when originating connections from my FreeBSD system, it
> would be sourced on the /30 address at my end - and therefore subject to
> my ISPs reverse mappings, not my own class C's.
>
> So to force my connections to originate from one of my IPs, I would
> delete the PPP address that was negotiated with PPP (after pppd was
> completely connected), and added one of my own with ifconfig, ala:
>
> ifconfig ppp0 delete
> ifconfig ppp0 10.1.1.1 netmask 255.255.255.255 192.168.1.1 alias
> route delete default
> route add default 192.168.1.1
>
> now while 192.168.1.1 doesn't exist, and I can't ping it, sending
> my default traffic via that address forces it to be sent out via
> the ppp link, and the router at the other end doesn't give a hoot
> about the fact that I sent the packet to the wrong address, all it
> cares about is where to send the packet next :)
>
> And yes, I can ping 10.1.1.1 from outside my network, so all works
> as expected.
>
If you execute `route add 10.1.1.1 127.0.0.1' you will also be able
to ping it from the host itself.
--
Ruslan Ermilov Sysadmin and DBA of the
[EMAIL PROTECTED] United Commercial Bank,
[EMAIL PROTECTED] FreeBSD committer,
+380.652.247.647 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
http://www.oracle.com Enabling The Information Age
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
