Re: RANDOM_IP_ID sysctl?

From: Andre Oppermann (andre_at_freebsd.org)
Date: 06/29/04

  • Next message: Xin LI: "Re: RANDOM_IP_ID sysctl?" 
    Date: Tue, 29 Jun 2004 20:04:07 +0200
To: Max Laier <max@love2party.net>

    Max Laier wrote:
    >
    > On Tuesday 29 June 2004 15:40, Xin LI wrote:
    > > On Tue, Jun 29, 2004 at 02:13:38PM +0100, David Malone wrote:
    > > > It seems to me that RANDOM_IP_ID might be better as a sysctl rather
    > > > than a kernel option. Would anyone mind if I changed this?
    >
    > I personally think that RANDOM_IP_ID is something that should be tweakable on
    > a per-interface basis (at least). I usually want randomized IDs on my uplink
    > interface while it could harm my GigE internal network due to faster ID reuse
    > cycles.

    ip_id is only an issue when you have packet fragmentation going on. Which
    I doubt for your internal GigE network.

    > FYI, pf(4) can set randomized IDs on a per interface (and even on a per
    > connection) basis.
    >
    > David, I'd appreciate to review your patches in order to avoid breakage of pf,
    > thanks.

    How could random ip_id break pf? 

    -- 
Andre
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  • Next message: Xin LI: "Re: RANDOM_IP_ID sysctl?"