Date: Mon, 7 Feb 2000 11:42:26 -0500 (EST) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: "gbnaidu " <gbnaidu@my-Deja.com> Cc: freebsd-net@FreeBSD.ORG Subject: How to get outgoing interface... Message-ID: <200002071642.LAA27059@khavrinen.lcs.mit.edu> In-Reply-To: <HADOPCCEKCILKBAA@my-deja.com> References: <HADOPCCEKCILKBAA@my-deja.com>
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<<On Sun, 06 Feb 2000 21:17:21 -0800, "gbnaidu " <gbnaidu@my-Deja.com> 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: <DST,GATEWAY,NETMASK,IFP,IFA> 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
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