Date: Wed, 9 Aug 2017 06:47:59 -0500 From: Larry Rosenman <ler@lerctr.org> To: freebsd-net@FreeBSD.org Subject: IPv6/ATT Fiber/DMZ+/routing Message-ID: <20170809114759.x3md4c32hz6bmjp2@lrosenman.lerctr.org>
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I just moved into a brand new house, and it has ATT Fiber. I have their gateway (Pace/Arris 5268AC) in DMZ+ mode with an OPNsense (FreeBSD 11) Firewall Router as the DMZ Host. I can get IPv6 on the router / FW: root@home-fw:~ # ping6 ipv6.google.com PING6(56=40+8+8 bytes) 2602:304:cfaf:f750:242:43ff:feac:29c --> 2607:f8b0:4000:812::200e 16 bytes from 2607:f8b0:4000:812::200e, icmp_seq=0 hlim=55 time=10.084 ms 16 bytes from 2607:f8b0:4000:812::200e, icmp_seq=1 hlim=55 time=10.103 ms ^C --- ipv6.l.google.com ping6 statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 10.084/10.093/10.103/0.010 ms root@home-fw:~ # ifconfig em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=42098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWTSO> ether 00:42:43:ac:02:9c inet6 fe80::242:43ff:feac:29c%em0 prefixlen 64 scopeid 0x1 inet6 2602:304:cfaf:f750:242:43ff:feac:29c prefixlen 64 autoconf inet 76.250.255.117 netmask 0xfffffc00 broadcast 76.250.255.255 nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=42098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWTSO> ether 00:42:43:ac:02:9d inet6 fe80::242:43ff:feac:29d%em1 prefixlen 64 scopeid 0x2 inet6 2602:304:cfaf:f751::1 prefixlen 64 inet 192.168.200.11 netmask 0xfffffc00 broadcast 192.168.203.255 nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active em2: flags=8c02<BROADCAST,OACTIVE,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO> ether 00:42:43:ac:02:9e nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> media: Ethernet autoselect status: no carrier em3: flags=8c02<BROADCAST,OACTIVE,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO> ether 00:42:43:ac:02:9f nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> media: Ethernet autoselect status: no carrier enc0: flags=0<> metric 0 mtu 1536 nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> groups: enc lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6> inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6 inet 127.0.0.1 netmask 0xff000000 nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> groups: lo pflog0: flags=100<PROMISC> metric 0 mtu 33160 groups: pflog pfsync0: flags=0<> metric 0 mtu 1500 groups: pfsync syncpeer: 0.0.0.0 maxupd: 128 defer: off root@home-fw:~ # ndp -a Neighbor Linklayer Address Netif Expire S Flags fe80::f6f5:d8ff:fedb:e124%em1 f4:f5:d8:db:e1:24 em1 23h58m15s S fe80::20d:5dff:fe10:b4fb%em1 00:0d:5d:10:b4:fb em1 23h52m14s S 2602:304:cfaf:f751::1 00:42:43:ac:02:9d em1 permanent R fe80::f6f5:d8ff:fead:65f4%em1 f4:f5:d8:ad:65:f4 em1 23h59m58s S fe80::230:48ff:fecf:2b1c%em1 00:30:48:cf:2b:1c em1 23h53m48s S fe80::f6f5:d8ff:feae:4136%em1 f4:f5:d8:ae:41:36 em1 23h58m8s S 2602:304:cfaf:f751:c412:15dc:8924:30d7 68:5b:35:9f:90:21 em1 23h55m0s S fe80::f6f5:d8ff:feac:48d0%em1 f4:f5:d8:ac:48:d0 em1 23h59m35s S fe80::242:43ff:feac:29d%em1 00:42:43:ac:02:9d em1 permanent R fe80::f6f5:d8ff:fec9:776e%em1 f4:f5:d8:c9:77:6e em1 23s R fe80::1842:632e:39ae:76d3%em1 68:5b:35:9f:90:21 em1 23h56m26s S fe80::5a9c:fcff:fe0b:6e07%em1 58:9c:fc:0b:6e:07 em1 23h59m59s S fe80::f6f5:d8ff:fedf:11ec%em1 f4:f5:d8:df:11:ec em1 23h58m8s S 2602:304:cfaf:f751:d7:b8ff:fe51:f200 02:d7:b8:51:f2:00 em1 12s R fe80::d7:b8ff:fe51:f200%em1 02:d7:b8:51:f2:00 em1 7s R 2602:304:cfaf:f750::1 d4:b2:7a:9e:cf:05 em0 23h56m55s S R 2602:304:cfaf:f750:230:48ff:fecf:2b1c (incomplete) em0 expired I 3 fe80::d6b2:7aff:fe9e:cf05%em0 d4:b2:7a:9e:cf:05 em0 9s R R 2602:304:cfaf:f750:242:43ff:feac:29c 00:42:43:ac:02:9c em0 permanent R fe80::242:43ff:feac:29c%em0 00:42:43:ac:02:9c em0 permanent R root@home-fw:~ # ATT uses 6RD: 6rd IPv6 Internet Connection Type Value Default Gateway 2602:300:c533:1510::1 6rd BR 12.83.49.81 6rd Prefix 2602:300::/28 6rd Delegated Prefix 2602:304:cfaf:f750::/60 6rd MTU 1472 How can I extend this to the LAN? I currently have the LAN defined with an address out of subnet 1. and if I have my Mac or FreeBSD box SLAAC, the IPv6 packets do not traverse to the internet. If I tcpdump the LAN interface, I see the packets enter, but nothing leaves. Anyone have an idea on what I'm missing here? (or is the Pace/Arris box getting in the way? -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 5708 Sabbia Drive, Round Rock, TX 78665-2106
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