IPv6 routing question

Linux Advanced Routing and Traffic Control

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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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