What can block IPv6 on the intranet?
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I set up a temporary firewall to test some weird remote connectivity issues with IPv6 but it won't lease addresses. I tried first using prefix delegation from my ISP and when it wouldn't work despite it telling me the ISP's gateway responded I got an address from HE.
I set up the thing, RA is managed, small DHCP range to ID it quickly: it still doesn't work.
On the interface there are zero states, zero bytes on IPv6:
The other site works fine, I SSHed into the firewall to test:
But the other side is tunneled so it doesn't really apply.
I think multicast might be involved but I'm not sure. What can prevent IPv6 from working at/on L2? [if there's something] Follow up: wouldn't whatever that might be blocking it block IPv6 traffic computer-to-computer too?
I had exported the filtered packets on a CSV but I opened it in so many apps one of them converted the tabs. I'll just paste it here.
### !tcp && !dns && !tls && !mdns && !nbns && !ssdp No. Time src addr src port dst addr dst port Protocol Length Info 1 0.000000 Vitas-Workstation.local 66:d9:e7:92:d8:ad EAPOL 135 Key (Message 2 of 4) 2 0.000223 66:d9:e7:92:d8:ad Vitas-Workstation.local EAPOL 113 Key (Message 1 of 4) 3 0.001464 Vitas-Workstation.local 66:d9:e7:92:d8:ad EAPOL 113 Key (Message 4 of 4) 4 0.001526 66:d9:e7:92:d8:ad Vitas-Workstation.local EAPOL 169 Key (Message 3 of 4) 5 0.004193 Vitas-Workstation.local VMware_83:bb:c7 ARP 42 Who has 192.168.43.1? Tell 192.168.43.20 6 0.004570 0.0.0.0 68 255.255.255.255 67 DHCP 342 DHCP Request - Transaction ID 0x14b27395 7 0.006864 VMware_83:bb:c7 Vitas-Workstation.local ARP 60 192.168.43.1 is at 00:50:56:83:bb:c7 8 0.008537 192.168.43.1 67 Vitas-Workstation.local 68 DHCP 342 DHCP ACK - Transaction ID 0x14b27395 9 0.016406 :: ff02::1:ffc7:aeb8 ICMPv6 86 Neighbor Solicitation for fe80::1435:e968:37c7:aeb8 10 0.017612 Vitas-Workstation.local ff02::2 ICMPv6 62 Router Solicitation 11 0.019971 Vitas-Workstation.local Broadcast ARP 42 ARP Announcement for 192.168.43.20 16 0.129352 Vitas-Workstation.local Broadcast ARP 42 Who has 192.168.43.1? Tell 192.168.43.20 19 0.130468 VMware_83:bb:c7 Vitas-Workstation.local ARP 60 192.168.43.1 is at 00:50:56:83:bb:c7 94 0.381717 Vitas-Workstation.local 5353 192.168.43.1 5351 NAT-PMP 44 External Address Request 101 0.400845 Vitas-Workstation.local 3283 zx5.vitanetworks.link 3283 UDP 56 3283 → 3283 Len=14 169 0.604924 Vitas-Workstation.local 53 192.168.43.1 52567 ICMP 70 Destination unreachable (Port unreachable) 174 0.631751 Vitas-Workstation.local 5353 192.168.43.1 5351 PCP v2 102 Map Request 178 0.633081 Vitas-Workstation.local 53 192.168.43.1 63847 ICMP 70 Destination unreachable (Port unreachable) 183 0.661491 Vitas-Workstation.local 53 192.168.43.1 63976 ICMP 70 Destination unreachable (Port unreachable) 185 0.696880 Vitas-Workstation.local 53 192.168.43.1 51154 ICMP 70 Destination unreachable (Port unreachable) 194 0.875539 Vitas-Workstation.local 53 192.168.43.1 49677 ICMP 70 Destination unreachable (Port unreachable) 195 0.887143 Vitas-Workstation.local 5353 192.168.43.1 5351 NAT-PMP 44 External Address Request 214 1.011348 Vitas-Workstation.local ff02::16 ICMPv6 110 Multicast Listener Report Message v2 218 1.098039 Vitas-Workstation.local Broadcast ARP 42 Who has 192.168.43.1? Tell 192.168.43.20 219 1.099080 VMware_83:bb:c7 Vitas-Workstation.local ARP 60 192.168.43.1 is at 00:50:56:83:bb:c7 275 1.259668 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 287 1.360694 Vitas-Workstation.local Broadcast ARP 42 ARP Announcement for 192.168.43.20 366 1.635709 Vitas-Workstation.local 5353 192.168.43.1 5351 PCP v2 102 Map Request 371 1.681623 Vitas-Workstation.local Broadcast ARP 42 Who has 192.168.43.1? Tell 192.168.43.20 372 1.682858 VMware_83:bb:c7 Vitas-Workstation.local ARP 60 192.168.43.1 is at 00:50:56:83:bb:c7 378 1.763821 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 383 1.887482 Vitas-Workstation.local 5353 192.168.43.1 5351 NAT-PMP 44 External Address Request 389 2.011869 Vitas-Workstation.local ff02::16 ICMPv6 110 Multicast Listener Report Message v2 409 3.270652 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 444 3.773036 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 464 4.827349 Vitas-Workstation.local ff02::2 ICMPv6 70 Router Solicitation from 80:e6:50:05:a6:5c 475 5.400547 Vitas-Workstation.local 3283 zx5.vitanetworks.link 3283 UDP 56 3283 → 3283 Len=14 502 5.689333 Vitas-Workstation.local 53 192.168.43.1 56922 ICMP 70 Destination unreachable (Port unreachable) 604 6.278622 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 729 6.782905 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 888 8.285988 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 993 8.789802 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1017 8.936535 Vitas-Workstation.local ff02::2 ICMPv6 70 Router Solicitation from 80:e6:50:05:a6:5c 1199 10.291838 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1206 10.400710 Vitas-Workstation.local 3283 zx5.vitanetworks.link 3283 UDP 56 3283 → 3283 Len=14 1218 10.795090 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1241 13.300490 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1242 13.804896 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1431 19.308661 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1440 19.813233 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1447 22.075674 Vitas-Workstation.local 53 192.168.43.1 59899 ICMP 70 Destination unreachable (Port unreachable) 1460 25.314910 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1464 25.819049 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1578 34.324286 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1579 34.828513 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1629 40.906417 :: ff02::1:ffc7:aeb8 ICMPv6 86 Neighbor Solicitation for fe80::1435:e968:37c7:aeb8 1636 41.271084 Vitas-Workstation.local 53 192.168.43.1 50069 ICMP 70 Destination unreachable (Port unreachable) 1671 41.528811 Vitas-Workstation.local 53 192.168.43.1 63686 ICMP 70 Destination unreachable (Port unreachable) 1676 41.553266 Vitas-Workstation.local 53 192.168.43.1 59168 ICMP 70 Destination unreachable (Port unreachable) 1681 41.585627 Vitas-Workstation.local 53 192.168.43.1 57163 ICMP 70 Destination unreachable (Port unreachable) 1685 41.609471 Vitas-Workstation.local 53 192.168.43.1 54932 ICMP 70 Destination unreachable (Port unreachable) 1687 41.638505 Vitas-Workstation.local 53 192.168.43.1 64089 ICMP 70 Destination unreachable (Port unreachable) 1692 41.894460 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 ### ### ABOUT HERE I… ### ### → Manually added an IPv6 address from the leased Hurricane Electric range and specified router address ### → Started pin6 to another computer (keep in mind it scrolls insanely fast, packets start much later) ### 1693 41.898231 Vitas-Workstation.local ff02::16 ICMPv6 90 Multicast Listener Report Message v2 1696 42.002748 :: ff02::1:ff00:20 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::20 1703 42.078180 Vitas-Workstation.local 53 192.168.43.1 60267 ICMP 70 Destination unreachable (Port unreachable) 1717 42.398750 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1789 43.898393 Vitas-Workstation.local ff02::16 ICMPv6 90 Multicast Listener Report Message v2 1792 44.064632 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1808 44.568002 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1841 44.757579 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 1904 46.074535 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1908 46.498473 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 1911 46.577042 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 1913 47.458883 Vitas-Workstation.local ff02::1:ff00:11 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::11 from 80:e6:50:05:a6:5c 1914 47.509520 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 1916 47.694709 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2093, hop limit=64 (reply in 1918) 1917 47.694714 Remoting-Client.local Vitas-Workstation.local ICMPv6 86 Neighbor Advertisement 2001:470:c:c73::11 (sol, ovr) is at 98:e0:d9:80:98:21 1918 47.694786 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2093, hop limit=64 (request in 1916) 1974 48.339493 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2094, hop limit=64 (reply in 1975) 1975 48.339573 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2094, hop limit=64 (request in 1974) 1997 48.462550 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) request id=0x441d, seq=1, hop limit=64 (reply in 1998) 1998 48.464211 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) reply id=0x441d, seq=1, hop limit=64 (request in 1997) 2060 48.757919 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2105 49.082389 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 2108 49.481806 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2095, hop limit=64 (reply in 2109) 2109 49.481925 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2095, hop limit=64 (request in 2108) 2116 49.584093 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 2155 50.457520 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2096, hop limit=64 (reply in 2156) 2156 50.457572 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2096, hop limit=64 (request in 2155) 2157 50.541699 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2159 51.379114 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2097, hop limit=64 (reply in 2160) 2160 51.379170 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2097, hop limit=64 (request in 2159) 2161 51.552404 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2162 51.992814 Remoting-Client.local Vitas-Workstation.local ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::20 from 98:e0:d9:80:98:21 2163 51.992867 Vitas-Workstation.local Remoting-Client.local ICMPv6 78 Neighbor Advertisement 2001:470:c:c73::20 (sol) 2164 52.607801 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2098, hop limit=64 (reply in 2165) 2165 52.607855 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2098, hop limit=64 (request in 2164) 2167 52.758303 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2169 53.529451 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2099, hop limit=64 (reply in 2171) 2171 53.529524 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2099, hop limit=64 (request in 2169) 2189 54.448727 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2100, hop limit=64 (reply in 2190) 2190 54.448770 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2100, hop limit=64 (request in 2189) 2194 54.583734 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2197 55.089086 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 2198 55.590767 Vitas-Workstation.local 54573 192.168.43.1 192 UDP 46 54573 → 192 Len=4 2199 55.592119 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2101, hop limit=64 (reply in 2200) 2200 55.592185 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2101, hop limit=64 (request in 2199) 2201 55.593880 Vitas-Workstation.local ff02::1:ff00:1 ICMPv6 86 Neighbor Solicitation for 2001:470:c:c73::1 from 80:e6:50:05:a6:5c 2205 56.577300 Remoting-Client.local Vitas-Workstation.local ICMPv6 70 Echo (ping) request id=0xa139, seq=2102, hop limit=64 (reply in 2206) 2206 56.577347 Vitas-Workstation.local Remoting-Client.local ICMPv6 70 Echo (ping) reply id=0xa139, seq=2102, hop limit=64 (request in 2205)
This is soo weird. Anyway, thanks !