Date: Sat, 5 Aug 2017 20:44:56 -0700 From: Ultima <ultima1252@gmail.com> To: Greg Rivers <gcr+freebsd-stable@tharned.org> Cc: freebsd-stable@freebsd.org Subject: Re: SLAAC not working Message-ID: <CANJ8om7rcEnDJt27E4vxcngEiP5tKKjeKJZafOAPopwALYm-kA@mail.gmail.com> In-Reply-To: <1646645.UkMcyRZBVl@flake.tharned.org> References: <1646645.UkMcyRZBVl@flake.tharned.org>
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Do you have pf or ipfw running? are they accepting ICMP type 128, 129, 135, 136? the first 2 are for ping requests last 2 for Neighbor solicitation/advertisement. On Sat, Aug 5, 2017 at 8:35 PM, Greg Rivers <gcr+freebsd-stable@tharned.org> wrote: > I have a couple of hosts on different networks running 11.1-RELEASE amd64. > Neither host will auto-configure its IPv6 address, even though valid router > advertisements[1] are present. Both hosts have two oce(4) interfaces > aggregated in fail-over mode via lagg(4). The lagg interface is configured > thusly (/etc/rc.conf): > > ifconfig_oce0="up" > ifconfig_oce1="up" > cloned_interfaces="lagg0" > ifconfig_lagg0="inet xxx.xxx.217.100/25 laggproto failover laggport oce0 > laggport oce1" > defaultrouter="xxx.xxx.217.1" > ip6addrctl_policy="ipv6_prefer" > ifconfig_lagg0_ipv6="inet6 accept_rtadv" > rtsold_enable="YES" > > The running interface looks like this: > lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu > 1500 > options=507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_ > MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO> > ether ac:16:2d:1e:b8:80 > inet xxx.xxx.217.100 netmask 0xffffff80 broadcast xxx.xxx.217.127 > inet6 fe80::ae16:2dff:fe1e:b880%lagg0 prefixlen 64 scopeid 0xc > nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> > media: Ethernet autoselect > status: active > groups: lagg > laggproto failover lagghash l2,l3,l4 > laggport: oce0 flags=5<MASTER,ACTIVE> > laggport: oce1 flags=0<> > > ndp(8) shows only: > Neighbor Linklayer Address Netif Expire S > Flags > fe80::ae16:2dff:fe1e:b880%lagg0 ac:16:2d:1e:b8:80 lagg0 permanent R > > Other hosts (running RedHat 6) on the same network SLAAC just fine. Does > anyone have insight into this problem or suggestions for troubleshooting? > > -- > Greg Rivers > > > [1] > Internet Control Message Protocol v6 > Type: Router Advertisement (134) > Code: 0 > Checksum: 0x8176 [correct] > [Checksum Status: Good] > Cur hop limit: 64 > Flags: 0x00, Prf (Default Router Preference): Medium > 0... .... = Managed address configuration: Not set > .0.. .... = Other configuration: Not set > ..0. .... = Home Agent: Not set > ...0 0... = Prf (Default Router Preference): Medium (0) > .... .0.. = Proxy: Not set > .... ..0. = Reserved: 0 > Router lifetime (s): 1800 > Reachable time (ms): 0 > Retrans timer (ms): 0 > ICMPv6 Option (Source link-layer address : 64:a0:e7:45:63:43) > Type: Source link-layer address (1) > Length: 1 (8 bytes) > Link-layer address: Cisco_45:63:43 (64:a0:e7:45:63:43) > ICMPv6 Option (Prefix information : 26xx:xxxx:4013:23::/64) > Type: Prefix information (3) > Length: 4 (32 bytes) > Prefix Length: 64 > Flag: 0xc0, On-link flag(L), Autonomous address-configuration > flag(A) > 1... .... = On-link flag(L): Set > .1.. .... = Autonomous address-configuration flag(A): Set > ..0. .... = Router address flag(R): Not set > ...0 0000 = Reserved: 0 > Valid Lifetime: 2592000 > Preferred Lifetime: 604800 > Reserved > Prefix: 26xx:xxxx:4013:23:: > ICMPv6 Option (MTU : 9216) > Type: MTU (5) > Length: 1 (8 bytes) > Reserved > MTU: 9216 > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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