Newbie question: is net.inet.ip.fastforwarding intended for routersonly?

Xin LI delphij at frontfree.net
Sat Jan 17 10:25:04 PST 2004


Hi Andre,

Thank you for the information.

I have a NAT gateway running with the following ipnat.rules:

-----------------------------------------------------------------------
map fxp0 172.22.1.0/24 -> 0.0.0.0/32 proxy port ftp ftp/tcp
map fxp0 172.22.1.0/24 -> 0.0.0.0/32 portmap tcp/udp 1025:7999
map fxp0 172.22.1.0/24 -> 0.0.0.0/32 portmap tcp/udp 49152:65535
map fxp0 172.22.1.0/24 -> 0.0.0.0/32

# Internal Servers
rdr fxp0 0.0.0.0/0 port 8100 -> 172.22.1.1 port 8100
rdr fxp0 0.0.0.0/0 port 3389 -> 172.22.1.1 port 3389
-----------------------------------------------------------------------

And I have two if's installed, one is fxp0 (configured as
192.168.122.253/24) and the other is dc0(configured as 172.22.1.254/24).
When the fastforwarding is set to 0, it works well, however if I turn it to
1, the packets immediately stops to flow between the two if's.
(DEVICE_POLLING is enabled).

So I guess I have done something wrong? Not so sure in this issue though...
Thanks in advance.

Xin LI

----- Original Message ----- 
From: "Andre Oppermann" <andre at freebsd.org>
To: "Xin LI" <delphij at frontfree.net>
Cc: <freebsd-net at FreeBSD.org>
Sent: Sunday, January 18, 2004 1:53 AM
Subject: Re: Newbie question: is net.inet.ip.fastforwarding intended for
routersonly?


> I have written a new fastforward code for 5.2 and -current which does
> everything including ipfw, NAT and ipfilter.



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