IPv6 on 3550 - Yeah ! It's possible

Rack1SW1#show version | incl 35
Cisco IOS Software, C3550 Software (C3550-IPSERVICESK9-M), Version 12.2(44)SE6, RELEASE SOFTWARE (fc1)
ROM: Bootstrap program is C3550 boot loader
System image file is "flash:/c3550-ipservicesk9-mz.122-44.SE6.bin"
Cisco WS-C3550-24 (PowerPC) processor (revision G0) with 65526K/8192K bytes of memory.
Model number: WS-C3550-24-SMI
Rack1SW1#sh run | incl ipv6
ipv6 unicast-routing
 ipv6 address FC00:1:0:37::7/64
 ipv6 rip TEST enable 
 ipv6 enable
Rack1SW1#sh run int tun0
Building configuration...

Current configuration : 127 bytes
!
interface Tunnel0
 no ip address
 ipv6 address FC00:1:0:37::7/64
 ipv6 rip TEST enable
 tunnel source Loopback0
 tunnel destination 150.1.3.3
end

Rack1SW1#ping fc00:1:0:37::3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to FC00:1:0:37::3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/4 ms
Rack1SW1#show ipv6 neigh
Rack1SW1#show ipv6 route
IPv6 Routing Table - Default - 4 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       R - RIP, D - EIGRP, EX - EIGRP external
R   2002::/64 [120/2]
     via FE80::20E:D7FF:FE10:4700, Tunnel0
C   FC00:1:0:37::/64 [0/0]
     via Tunnel0, directly connected
L   FC00:1:0:37::7/128 [0/0]
     via Tunnel0, receive
L   FF00::/8 [0/0]
     via Null0, receive
Rack1SW1#
Rack1SW1#ping 2002::2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2002::2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/2/4 ms
Rack1SW1#