From owner-freebsd-net Mon Feb 7 8:42:59 2000 Delivered-To: freebsd-net@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by builder.freebsd.org (Postfix) with ESMTP id 2F7394007 for ; Mon, 7 Feb 2000 08:42:42 -0800 (PST) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id LAA27059; Mon, 7 Feb 2000 11:42:26 -0500 (EST) (envelope-from wollman) Date: Mon, 7 Feb 2000 11:42:26 -0500 (EST) From: Garrett Wollman Message-Id: <200002071642.LAA27059@khavrinen.lcs.mit.edu> To: "gbnaidu " Cc: freebsd-net@FreeBSD.ORG Subject: How to get outgoing interface... In-Reply-To: References: Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: [Paragraph reformatted for legibility. In the future, please press return at the end of each 72-character line.] > I am trying to dump the routing table using the sysctl system > call. I am able to get the destination address, gateway, mask all > these entries. But How do I get the outgoing interface for a > particular entry in the routing table? Keep on looking in the routing message. A typical response will look like this: sockaddrs: default anacreon default fxp0:0.a0.c9.3c.76.5c khavrinen You have found the first three sockaddrs in the message; the RTA_IFP sockaddr will tell you which interface is being used, and the RTA_IFA one will tell you the IP address configured on that interface. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message