On Tue, 15 May 2007 11:11:39 +0200, Tor Houghton <[EMAIL PROTECTED]> wrote:
> Hi,
> 
> I'm trying to troubleshoot NAT on a VLAN interface (parent interface is
> xl0
> - a 3com 905). With OpenBSD 3.4 I got a 'initialized with non-standard mtu
> 1496' message with the same interface card, but with 4.1 this disappeared.
> 
> Does this mean "everything is fine, this card supports VLAN trunks", or
> should I be dubious and use something else (which one)?
> 
> I am not able to provide debug output at this minute, but essentially I
> can't seem to do NAT when vlan0 is set as the external interface ($ext_if;
> the suggested nat line in pf.conf(5) is used, with ext_if="vlan0").
> 
> I can get a DHCP address on the interface, and I appear to be able to
> connect to anywhere _from_ the host, but not through it.
> 
> A 'pfctl -s all' only shows me the static mappings (rdr's).

Then obviously there are no nat rules to perform translation.  Quit blaming it 
on hardware or vlan interfaces, it's probably just a broken ruleset.  Post your 
pf.conf (and optionally, your hostname.if files).

-- 
Jason Dixon
DixonGroup Consulting
http://www.dixongroup.net

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