* sorry for the 2 previous schemas, they came out a mess. I hope this one is
understandable.
hi:
I have this 2 boxes set up like this:
2020::2/128 2020::254/128 3030::254/128
192.168.0.2/24 192.168.0.254/24 192.168.30.254/24
+-------+ eth0 eth3 +-------+
| |==================== | | eth1
| A | | B | ----
| | | |
+-------+ +-------+
A
# ip r l
192.168.30.254 dev eth0 scope link
192.168.0.0/24 dev eth0 scope link
169.254.0.0/16 dev lo scope link
127.0.0.0/8 dev lo scope link
# ip -6 r l
2020::254 dev eth0 metric 1024 mtu 1500 advmss 1440
3030::254 dev eth0 metric 1024 mtu 1500 advmss 1440
(...plus link local and multicast routes)
B
# ip r l
127.0.0.1 dev lo scope link
192.168.0.0/24 dev eth3 proto kernel scope link src 192.168.0.254
192.168.30.0/24 dev eth1 proto kernel scope link src 192.168.30.254
# ip -6 r l
2020::2 dev eth3 metric 1024 mtu 1500 advmss 1440 metric10 64
(...plus link local and multicast routes)
# cat /proc/sys/net/ipv4/ip_forward
1
#cat /proc/sys/net/ipv6/conf/all/forwarding
1
The problem is that i can ping 192.168.30.254 from A, but i can''t ping
3030::254 from A, anyone has a clue why this happens? Is there any
feature i need to turn on or anything misconfigured? Why does it work
for IPv4 but not for IPv6?
A -> B
# ping 192.168.30.254
PING 192.168.30.254 (192.168.30.254) 56(84) bytes of data.
64 bytes from 192.168.30.254: icmp_seq=0 ttl=64 time=0.175 ms
64 bytes from 192.168.30.254: icmp_seq=1 ttl=64 time=0.122 ms
#ping6 3030::254
PING 3030::254(3030::254) 56 data bytes
From ::1 icmp_seq=0 Destination unreachable: Address unreachable
From ::1 icmp_seq=1 Destination unreachable: Address unreachable
Regards
Filipe Abrantes
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