[ On Monday, March 4, 2002 at 15:03:30 (-0500), William Waites wrote: ]
> Subject: Re: does gif(4) do RFC 2003 IPv4-in-IPv4 encapsulation?
>
> - confusingly, when making a gif(4) tunnel speak to a Cisco, you
>   need to tell it "tunnel mode ipip".

You mean you need to tell the Cisco that?

> So,
> 
> Cisco "ipip" != BSD "ipip"
> Cisco "ipip" == BSD "gif"
> Cisco "gre" == BSD "gre" == BSD "ipip"
> 
> Is this correct?

GRE is apparently RFC 1701/1702 with the mobile extension as RFC 2004,
though a listed bug in gre(4) is that the "GRE RFC is not yet fully
implemented ([with] no GRE options [supported]), [and] no other
protocols yet [other] than IP 'over' IP."

-- 
								Greg A. Woods

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