Date: Fri, 25 May 2001 08:51:43 +0200 From: "paffio" <ocnlba@tin.it> To: "Nick Rogness" <nick@rogness.net> Cc: <freebsd-questions@FreeBSD.org> Subject: Re: problems with a gateway Message-ID: <005001c0e4e7$56ee9af0$2b000b3e@nuovo> References: <Pine.BSF.4.21.0105231404400.98953-100000@cody.jharris.com>
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A 142.114.10.210
B 142.114.10.8
G 142.114.10.215
netmask (A,B,G): 0xFFFF0000
they are all on the same logical network.
on A(142.114.10.210):
ping -c 1 142.114.10.8
output:
PING 142.114.10.8 (142.114.10.8): 56 data bytes
36 bytes from 142.114.10.215: Redirect Host (New addr:142.114.10.8)
Vr HL Tos Len ID Flg off TTL
Pro cks src dst
4 5 00 5414 0111 0 000 fl
01 a1d9 142.114.10.210 142.114.10.8
64 bytes from 142.114.10.8: icmp_seq=0 .......
but if now I do another ping it doesn't go through the host G
paffio
----- Original Message -----
From: "Nick Rogness" <nick@rogness.net>
To: "paffio" <ocnlba@tin.it>
Cc: <freebsd-questions@FreeBSD.ORG>
Sent: Wednesday, May 23, 2001 9:09 PM
Subject: Re: problems with a gateway
> On Wed, 23 May 2001, paffio wrote:
>
> >
> > I've a lan with some hosts. I want that all the packets going from the
> > host A to the host B don't go directly to it but through the host G.
>
> Are A,B,and G all on the same logical network. WHat are their IP
> addresses and netmasks?
>
> >
> > I did it, but I've a problem with my configuration, it works only a
> > time.
>
> What happens when you ping it (not traceroute)? DO you get an
> ICMP redirect?
>
>
> >
> > I did this (A,B,G are the IP addresses):
> >
> > host A :
> >
> > route add B G
> >
> > host B :
> >
> > gateway_enable="YES" (/etc/rc.conf)
> >
> >
> > Now, if I execute "traceroute B" on the host A, it works, that's the
> > resulting route is A-G-B.
> >
> > On the contrary the second time it is: A-B.
> >
> > I executed also "netstat -r", the first time there is the right entry
> >
> >
> > destination gateway ......
> > B G ......
> >
> >
> >
> > the second time it is so splitted:
> >
> >
> >
> > destination gateway ......
> > B B_ethernet_address ......
> > G G_ethernet_address ...
> >
> >
> >
> > Can I avoid this splitting ?
>
> Are B and A on the same IP network?
>
>
> Nick Rogness <nick@rogness.net>
> - Keep on Routing in a Free World...
> "FreeBSD: The Power to Serve!"
>
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