[c-nsp] IPv6 on C3550, finally? (12.2(44)SE)

[Simon Lockhart]

Noticed that 12.2(44)SE was recently released for the Cat3550 switch, and
feature navigator lists a whole load of IPv6 support. Yay!

However, it doesn't seem to work very well...

interface Loopback0
 no ip address
 ipv6 address 2001:4B10::100/128
 ipv6 enable
end

lab-sw.rbsov#ping 2001:4b10::100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:4B10::100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/2/4 ms

However, if I try to do IPv6 over an ethernet port, it's less successful...

interface Vlan515
 no ip address
 ipv6 address 2001:4B10:0:2::2/64
 ipv6 enable
end

lab-sw.rbsov#ping 2001:4b10:0:2::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:4B10:0:2::1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)

Running "debug ipv6 packet" on both ends of the link shows packets being
sent by lab-sw, and replies being sent by the upstream switch (a 3560), but
the 3550 never learns any neighbours, and pings don't work...

lab-sw.rbsov#show ipv6 nei
lab-sw.rbsov#

Have I missed something needed to make this work, or is it just a work in 
progress, released prematurely?

Simon
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