Date: Thu, 07 Dec 2000 15:54:57 +0900 From: Kenjiro Cho <kjc@csl.sony.co.jp> To: agoodloe@gradient.cis.upenn.edu Cc: freebsd-hackers@FreeBSD.org Subject: Re: Router Alert Message-ID: <20001207155457V.kjc@csl.sony.co.jp> In-Reply-To: <Pine.SOL.4.21.0012062352460.24990-100000@gradient.cis.upenn.edu> References: <Pine.SOL.4.21.0012062352460.24990-100000@gradient.cis.upenn.edu>
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Alwyn Goodloe wrote: > I need to use Router Alert (rfc2113) > (http://www.phys-iasi.ro/Library/RFCs/rfc2113.htm) > > * Is there any documentation for using Router Alert in the FreeBSD > environement. > * Are there specific options that the Kernel must be compiled with? > * I know in Linux there is a IP_ROUTER_ALERT option that can be applied by > Root users to IP sockets to intercept all forwarded packets with the > Router Alert option. Does it work similarly for FreeBSD. Router alert is supported only in IPv6. Take a look at usr.sbin/{pim6sd,pim6dd} for how to use it. The advanced socket API for IPv6 router alert option is defined in http://www.ietf.org/internet-drafts/draft-ietf-ipngwg-rfc2292bis-02.txt There's no standard API for IPv4, though. -Kenjiro To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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