Date: Tue, 19 Jul 2005 14:35:03 +0200 From: Klavs Klavsen <kl@vsen.dk> To: freebsd-pf@freebsd.org Subject: Re: preempt not working? Message-ID: <42DCF377.6020407@vsen.dk> In-Reply-To: <42D376E6.7090708@vsen.dk> References: <42D376E6.7090708@vsen.dk>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Everyone has carp.preempt working? Do I need to use ifstated instead of carp.preempt - or perhaps it is required, for preempt to work somehow? If anyone can point me to a doc that deals with preempt - I'd be very happy. The manual doesn't :( on 07/12/05 09:53 Klavs Klavsen wrote: > Hi guys, > > Am I misunderstanding the meaning of preempt? > > I have a test setup in vmware - and it looks like this: > > fw09# ifconfig > lnc0: flags=108943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 > inet 192.168.11.209 netmask 0xffff0000 broadcast 192.168.255.255 > inet6 fe80::20c:29ff:fe80:e1a7%lnc0 prefixlen 64 scopeid 0x1 > ether 00:0c:29:80:e1:a7 > lnc1: flags=108943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 > inet 10.0.0.9 netmask 0xffffff00 broadcast 10.0.0.255 > inet6 fe80::20c:29ff:fe80:e1b1%lnc1 prefixlen 64 scopeid 0x2 > ether 00:0c:29:80:e1:b1 > lnc2: flags=108943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 > inet 172.16.1.9 netmask 0xffffff00 broadcast 172.16.1.255 > inet6 fe80::20c:29ff:fe80:e1bb%lnc2 prefixlen 64 scopeid 0x3 > ether 00:0c:29:80:e1:bb > plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500 > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 > inet 127.0.0.1 netmask 0xff000000 > inet6 ::1 prefixlen 128 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5 > pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33208 > pfsync0: flags=41<UP,RUNNING> mtu 1348 > pfsync: syncif: lnc2 maxupd: 128 > carp0: flags=41<UP,RUNNING> mtu 1500 > inet 192.168.11.208 netmask 0xffffffff > carp: BACKUP vhid 1 advbase 1 advskew 0 > carp1: flags=41<UP,RUNNING> mtu 1500 > inet 10.0.0.1 netmask 0xffffff00 > carp: BACKUP vhid 2 advbase 1 advskew 0 > carp2: flags=41<UP,RUNNING> mtu 1500 > inet 172.16.1.8 netmask 0xffffff00 > carp: BACKUP vhid 3 advbase 1 advskew 0 > carp3: flags=41<UP,RUNNING> mtu 1500 > inet 192.168.11.210 netmask 0xffffffff > carp: MASTER vhid 4 advbase 1 advskew 0 > fw09# sysctl -a | grep pree | grep -v 118 > net.inet.carp.preempt: 1 > > carp3 is master, because carp3 on the secondary isn't up. As I > understand the preempt flag, that should result in this host taking over > MASTER for all carp interfaces. The other host has an anskew of a 100 > (as it is default secondary) - but it still stays MASTER for carp0,1 and > 2 :( > - -- Regards, Klavs Klavsen, GSEC - kl@vsen.dk - http://www.vsen.dk PGP: 7E063C62/2873 188C 968E 600D D8F8 B8DA 3D3A 0B79 7E06 3C62 "Those who do not understand Unix are condemned to reinvent it, poorly." --Henry Spencer -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFC3PN2PToLeX4GPGIRAi52AKCYXR9a8IHHW4VMGYmcWpb6Dd3l+ACgtdLn GJLFQZnMm7TIJ2LB3ZWeeFw= =43b1 -----END PGP SIGNATURE-----
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