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

From: Xin LI (delphij_at_frontfree.net)
Date: 01/17/04

  • Next message: Andre Oppermann: "Re: Newbie question: is net.inet.ip.fastforwarding intended for routersonly?" 
    To: "Andre Oppermann" <andre@freebsd.org>
Date: Sun, 18 Jan 2004 02:24:44 +0800

    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@freebsd.org>
    To: "Xin LI" <delphij@frontfree.net>
    Cc: <freebsd-net@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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