Ethereal-users: Re: [Ethereal-users] hosts, ethers, & windows

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Fri, 22 Jun 2001 11:37:39 -0700 (PDT)
> Getting this message when trying to set a "gateway" capture filter.
> 
> < Unable to parse filter string ('gateway' not supported in this
> configuration) >
> 
> pleas explain, is this an ethereal, winpcap, or another component problem ?
> what does "this configuration" mean, windows versions ?

No, it means "a configuration where libpcap/winpcap is built to support
IPv6 (yes, I know, Windows doesn't support IPv6 on the box;
nevertheless, if you get that error, it means that libpcap/winpcap was
built to handle IPv6).

The WinDump man page at

	http://netgroup-serv.polito.it/windump/docs/manual.htm

says:

	gateway host

	     True if the packet used host as a gateway.  I.e., the
	     ethernet source or destination address was host but neither
	     the IP source nor the IP destination was host.  Host must
	     be a name and must be found in both /etc/hosts and
	     /etc/ethers.  (An equivalent expression is

		ether host ehost and not host host

	     which can be used with either names or numbers for host /
	     ehost.) This syntax does not work in IPv6-enabled
		     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	     configuration at this moment.
	     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^