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Date:      Tue, 02 Jan 2001 10:02:20 -0700
From:      Wes Peters <wes@softweyr.com>
To:        Julian Elischer <julian@elischer.org>
Cc:        "C. Stephen Gunn" <csg@waterspout.com>, "freebsd-net@FreeBSD.ORG" <freebsd-net@FreeBSD.ORG>
Subject:   Re: Problems with VLAN and natd.
Message-ID:  <3A52099C.6A94B9BF@softweyr.com>
References:  <200101020501.AAA58976@tsunami.waterspout.com> <3A517429.91B2F251@softweyr.com> <3A51EB71.8286709E@elischer.org>

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Julian Elischer wrote:
> 
> Wes Peters wrote:
> >
> > Doing link-layer encapsulation modules is really not very difficult.
> > I've written pretty much the full complement, covering ethernet (10,
> > 100, and 1000), FDDI/CDDI, token ring, ATM, and Frame Relay.  (Chuck,
> > I can identify that protocol in 20 instructions.)
> 
> Under netgraph it's a real SNAP (I can't believe I said that)

Har har!  ;^)

> > > I'm afraid to even contemplate the POLA and backward compatability
> > > issues involved.
> >
> > Why would we need to violate POLA?  The obvious default would be to
> > extend ifconfig to configure the new protocol types, and to assume
> > EthII framing unless explicitly specified.
> 
> send only new protocols out to netgraph.. no POLA to break.

Sure, but it would be nice to take over ARP too.

> > Perhaps so.  If someone does the work to move EthII into netgraph, I can
> > certainly contribute a SNAP/LLC module, and maybe even extensions to
> > ifconfig so you can use it.  ;^)
> 
> have  a look at the ng_ether node.

Will do.

-- 
            "Where am I, and what am I doing in this handbasket?"

Wes Peters                                                         Softweyr LLC
wes@softweyr.com                                           http://softweyr.com/


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