K 10 svn:author V 6 jinmei K 8 svn:date V 27 2007-05-14T17:56:13.000000Z K 7 svn:log V 277 handle IPv6 router alert option contained in an incoming packet per option value so that unrecognized options are ignored as specified in RFC2711. (packets containing an MLD router alert option are passed to the upper layer as before). Approved by: gnn (mentor), ume (mentor) END