Hi Hackers,
I was wondering if someone could give me some advice. I just updated one of
my servers from 7.2-pre to 7.2-stable (07/05/2009) and lost my IPv6
connectivity. The machine has been given a static IPv6 address and ND is not
used (I set the address in the rc.conf file). On reboot, I get messages like
this in the dmesg:
vr0: DAD detected duplicate IPv6 address 2001:49f0:2023::2: NS in/out=3/1, NA
in=0
vr0: DAD complete for 2001:49f0:2023::2 - duplicate found
vr0: manual intervention required
vr0: DAD detected duplicate IPv6 address fe80:1::213:8fff:fe5c:1a5f: NS
in/out=3/1, NA in=0
vr0: DAD complete for fe80:1::213:8fff:fe5c:1a5f - duplicate found
vr0: manual intervention required
vr0: possible hardware address duplication detected, disable IPv6
hercules$ ifconfig
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=2808<VLAN_MTU,WOL_UCAST,WOL_MAGIC>
ether 00:13:8f:5c:1a:5f
inet6 fe80::213:8fff:fe5c:1a5f%vr0 prefixlen 64 duplicated scopeid 0x1
inet 66.90.118.40 netmask 0xffffff00 broadcast 66.90.118.255
inet6 2001:49f0:2023::2 prefixlen 64 duplicated
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> metric 0 mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
inet 127.0.0.1 netmask 0xff000000
This fault has only shown up since the upgrade and I am at a loss for what to
try to do to fix this or debug. Any advice would be appreciated.
Peg
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