On Tue, Jun 08, 2010 at 02:26:10PM -0400, Stephen Clark wrote: > On 06/08/2010 02:05 PM, Jeremy Chadwick wrote: > >On Tue, Jun 08, 2010 at 01:45:59PM -0400, Stephen Clark wrote: > >>Why does FreeBSD 6.3 eat 169.254.x.x addressed packet when > >>4.9 didn't? > > > >The following output would help: > > > >- ifconfig -a > >- netstat -rn > >- Contents of /etc/rc.conf > > > >Also, be aware that RELENG_6 is to be EOL'd at the end of this year: > >http://security.freebsd.org/ > > > Hi Jeremy, > > I am not sure that information is relevant. We have two systems configured > identically one using 4.9 the other 6.3.
My concern was that someone had botched something up in rc.conf or during the OS upgrade/migration, resulting in there being no loopback interface. I also wanted to verify that your routing table looked correct for what ifconfig showed. Other users pointed you to RFC 3927. Wikipedia has this to say: http://en.wikipedia.org/wiki/Link-local_address "Based on RFC 3927, IPv4 uses the 169.254.0.0/16 range of addresses. However, the first and last /24 subnet (256 addresses each) in this block have been excluded from use and are reserved by the standard.[1]" I read this to mean 169.254.0.0/24 and 169.254.255.0/24. Your previous ifconfig statement shows: > $ ifconfig rl0 > rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > options=8<VLAN_MTU> > inet 192.168.129.1 netmask 0xffffff00 broadcast 192.168.129.255 > inet 169.254.1.1 netmask 0xffff0000 broadcast 169.254.255.255 > ether 00:30:18:ae:7c:77 > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active With this configuration, you're using both the first and last /24 netblocks -- 169.254.0.0 for your network address, and 169.254.255.255 for your broadcast address. You should be able to avoid this by using 169.254.1.0/24. -- | Jeremy Chadwick j...@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
