3Com MSR 50 Series Configuration Manual page 707

[RouterB] interface tunnel0
[RouterB-Tunnel0] ipv6 address ::2.1.1.2/96
[RouterB-Tunnel0] source serial 2/0
[RouterB-Tunnel0] tunnel-protocol ipv6-ipv4 auto-tunnel
Configuration verification
After the above configurations, display the status of the tunnel interfaces on
Router A and Router B, respectively.
[RouterA] display ipv6 interface tunnel 0
Tunnel0 current state :UP
Line protocol current state :UP
IPv6 is enabled, link-local address is FE80::201:101
Global unicast address(es):
::2.1.1.1, subnet is ::/96
Joined group address(es):
FF02::1:FF01:101
FF02::2
FF02::1
MTU is 1500 bytes
ND reachable time is 30000 milliseconds
ND retransmit interval is 1000 milliseconds
Hosts use stateless autoconfig for addresses
[RouterB] display ipv6 interface tunnel 0
Tunnel0 current state :UP
Line protocol current state :UP
IPv6 is enabled, link-local address is FE80::201:102
Global unicast address(es):
::2.1.1.2, subnet is ::/96
Joined group address(es):
FF02::1:FF01:102
FF02::2
FF02::1
MTU is 1500 bytes
ND reachable time is 30000 milliseconds
ND retransmit interval is 1000 milliseconds
Hosts use stateless autoconfig for addresses
# Ping the IPv4-compatible IPv6 address of the peer tunnel interface from Router
A.
[RouterA] ping ipv6 ::2.1.1.2
PING ::2.1.1.2 : 56
Reply from ::2.1.1.2
bytes=56 Sequence=1 hop limit=255
Reply from ::2.1.1.2
bytes=56 Sequence=2 hop limit=255
Reply from ::2.1.1.2
bytes=56 Sequence=3 hop limit=255
Reply from ::2.1.1.2
bytes=56 Sequence=4 hop limit=255
Reply from ::2.1.1.2
bytes=56 Sequence=5 hop limit=255
--- ::2.1.1.2 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
Configuring Automatic IPv4-Compatible IPv6 Tunnel
data bytes, press CTRL_C to break
time = 219 ms
time = 15 ms
time = 31 ms
time = 31 ms
time = 32 ms
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