Help wanted ipv6

R

rvrhee

New Member
Jul 3, 2020
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netherlands
Little help needed .
/etc/network/interfaces

auto lo
iface lo inet loopback

iface lo inet6 loopback

auto enp2s0
iface enp2s0 inet static
address 46.4.107.107/27
gateway 46.4.107.97
up route add -net 46.4.107.96 netmask 255.255.255.224 gw 46.4.107.97 dev enp2s0

iface enp2s0 inet6 static
address 2a01:04f8:0141:03e4::1/64
post-up /sbin/ip -f inet6 route add 2a01:04f8:0141:03e4:ff:ff:ff:ff dev enp2s0
post-up /sbin/ip -f inet6 route add default via 2a01:04f8:0141:03e4:ff:ff:ff:ff
pre-down /sbin/ip -f inet6 route del 2a01:04f8:0141:03e4:ff:ff:ff:ff dev enp2s0
pre-down /sbin/ip -f inet6 route del default via 2a01:04f8:0141:03e4:ff:ff:ff:ff
#gateway fe80::1


auto vmbr0
iface vmbr0 inet static
address 192.168.1.1/24
bridge-ports none
bridge-stp off
bridge-fd 0

iface vmbr0 inet6 static
address 2a01:04f8:0141:03e4::10
post-up /sbin/ip -f inet6 route add 2a01:04f8:0141:03e4::/64 dev vmbr0
pre-down /sbin/ip -f inet6 route del 2a01:04f8:0141:03e4::/64 dev vmbr0

post-up sysctl -p
post-up iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o enp2s0 -j SNAT --to-source 46.4.107.107

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when i try to ping google on ipv6

ping ipv6.google.com
PING ipv6.google.com(fra15s46-in-x0e.1e100.net (2a00:1450:4001:808::200e)) 56 data bytes
From sintest6 (2a01:4f8:141:3e4::1): icmp_seq=1 Destination unreachable: Address unreachable
From sintest6 (2a01:4f8:141:3e4::1): icmp_seq=2 Destination unreachable: Address unreachable
From sintest6 (2a01:4f8:141:3e4::1): icmp_seq=3 Destination unreachable: Address unreachable
From sintest6 (2a01:4f8:141:3e4::1): icmp_seq=4 Destination unreachable: Address unreachable
From sintest6 (2a01:4f8:141:3e4::1): icmp_seq=5 Destination unreachable: Address unreachable

i can ping the guests on ipv4 and ipv6 i dont know what i did wrong.
 
what does your ip6 routing table look like?
ip -6 ro

from the ip 2a01:4f8:141:3e4::1 guess you're at hetzner, they tend to use fe80::1 as gateway... but you don't - maybe thats your problem?
 
root@sintest6 ~ # ip -6 ro
::1 dev lo proto kernel metric 256 pref medium
2a01:4f8:141:3e4::10 dev vmbr0 proto kernel metric 256 pref medium
2a01:4f8:141:3e4:ff:ff:ff:ff dev enp2s0 metric 1024 pref medium
2a01:4f8:141:3e4::/64 dev enp2s0 proto kernel metric 256 pref medium
2a01:4f8:141:3e4::/64 dev vmbr0 metric 1024 pref medium
fe80::/64 dev enp2s0 proto kernel metric 256 pref medium
fe80::/64 dev vmbr0 proto kernel metric 256 pref medium
default via 2a01:4f8:141:3e4:ff:ff:ff:ff dev enp2s0 metric 1024 pref medium


yes i am at hetzner if i use fe80::1 it works on host but not at guests

ipv4 nat is ok on hosts.
but i need real ipv6 on the hosts
 
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