Re: Bridges

From: Peter Jeremy (PeterJeremy_at_optushome.com.au)
Date: 09/24/05

  • Next message: Max Laier: "Re: Bridges" 
    Date: Sun, 25 Sep 2005 05:22:38 +1000
To: Max Laier <max@love2party.net>

    On Sat, 2005-Sep-24 15:25:06 +0200, Max Laier wrote:
    >for some time now, we have three bridge implementations in the tree:
    > - net/bridge.c - the "old" bridge
    > - net/if_bridge.c - the "new" bridge from Net/OpenBSD
    > - netgraph/ng_bridge.c - the netgraph version [1]
    >
    >The new code has several advantages over the old version:
    > - Spanning Tree Protocol (802.1D)
    > - better firewall support (IPv6, stateful filtering, ...)
    > - easy ifconfig(8) configuration

    Since I've recently needed it, neither bridge.c nor if_bridge.c allow
    you to bridge VLAN trunks (you can bridge individual VLANs but that
    becomes unwieldly when you have dozens of VLANs). I have code to do
    this in bridge.c.

    >and would have to do it twice, for example) I would like to retire the old
    >bridge code soon. This should happen in HEAD only and thus the old bridge
    >will stay for all of FreeBSD 6 unless more aggressive depreciation is
    >requested.

    Since if_bridge.c does not exist in FreeBSD 5, and there has not
    previously been any suggestion that bridge.c is deprecated, I would
    object to the removal of bridge.c from FreeBSD 6 since this would
    violate the standard deprecation cycle.

    >Please test the new alternative if you are using the old one still.

    Has anyone looked at how difficult it would be to get if_bridge.c to
    work in 5.x? 

    -- 
Peter Jeremy
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