Date: Wed, 6 May 2015 21:51:49 +0200 From: =?UTF-8?Q?Ermal_Lu=C3=A7i?= <eri@freebsd.org> To: Martin Larsson <martin.larsson2@gmail.com> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: FreeBSD makes linux think other subet is in same lan. Message-ID: <CAPBZQG0H16eczX7gqq8t495eRBZMHOAa1S4DvXUz3FemaACWCw@mail.gmail.com> In-Reply-To: <CABUmD9toVsmOo=sfosBO2Tv_ZU35odpM5MNaLNtzZhZpAXLjgQ@mail.gmail.com> References: <CABUmD9toVsmOo=sfosBO2Tv_ZU35odpM5MNaLNtzZhZpAXLjgQ@mail.gmail.com>
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On Wed, May 6, 2015 at 2:51 PM, Martin Larsson <martin.larsson2@gmail.com> wrote: > This is a small summary of > > https://forums.freebsd.org/threads/routing-issue-with-ipsec-windows-works-linux-doesnt.51201/ > . > > > Setup: > My side > 192.168.1.0/24 > Freebsd (default gateway and ipsec gateway, 192.168.1.1) > windows, linux etc > > 10.11.12.0/24 > other net > > 1: connect with ipsec to another subnet. > When tunnel is up, all computers behind can ping the remote subnet, but not > freebsd itself. > Did you try by running ping with -S option to ping? Normally you should not need the route below since ping needs to be sourcing from your LAN ip to go to the other end. > So, I add a route: route add -net 10.11.12.0/24 192.168.1.1 > > Now, FreeBSD itselt can also ping 10.11.12.0/24 host, but Linux stop > working. > windows can ping in both cases though. > > Here is arp -n on linux after the route is added on the freebsd gateway. > > Linux:~ # arp -a > ? (10.11.12.13) at <incomplete> on eth0 > ? (192.168.1.125) at b4:52:7e:95:2a:f5 [ether] on eth0 > ? (192.168.1.1) at 00:1b:21:00:62:62 [ether] on eth0 > ? (192.168.1.160) at 84:38:38:6a:ec:91 [ether] on eth0 > ? (192.168.1.6) at 1c:6f:65:21:36:96 [ether] on eth0 > ? (192.168.1.5) at 00:1a:4d:63:d8:5c [ether] on eth0 > > So somehow it thinks 10.11.12.0/24 is in its lan. > This very same scenario works fine if I replace my freebsd gateway with > openbsd or linux. > So could this be a bug or am I doing something wrong? > > Best regards > Niklas > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- Ermal
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