Could someone give me a hand with this?

[Joe Abley]

Hi all,

I have just been working with Canterbury University here in NZ trying
to get them connected to the 6bone -- everything is looking good between
us and them, but they seem to be having problems getting traffic from
the rest of the network routed back to them.

If someone could let me know how this looks from ourside our AS, I'd
be very grateful. In particular, could people could let me know whether
they can ping the following addresses?

  3FFE:2900:FFE1::0
  3FFE:2900:B:C::2
  3FFE:2900:FFE1::2
  3FFE:2900:FFE1::3
  3FFE:2900:FFE1:1::1


More elaborately:

We are AS4768, and are announcing 3FFE:2900:FFE1::0/48 to Sprint using
BGP4+ with origin 4768. This address block is part of Sprint's /24, and
was delegated to me by Rob when he kindly set up our tunnel.


  AS6175 (Sprint) --------- AS4768 (CLEAR) --------- AS9432 (Canterbury)


Our tunnel to Sprint has endpoints 3FFE:2900:B:C::2/64 (our side) and
  3FFE:2900:B:C::1/64 (Sprint side).

Our tunnel to Canterbury has endpoints 3FFE:2900:FFE1::2/127 (our side)
  and 3FFE:2900:FFE1::3/127 (Canty side).

I have delegated 3FFE:2900:FFE1:1::0/64 to Canterbury, and they are
  advertising it to us using BGP4+ with origin 9432.

We are sending Canterbury a full route table, and are filtering what
  they are sending us (restricting to just 3FFE:2900:FFE1:1::0/64).

We are filtering the advertisements we send to Sprint (and others)
  (restricting to just 3FFE:2900:FFE1::0/48).


>From Canterbury's router:

  o  we can ping 3FFE:2900:FFE1::2 (CLEAR's router's tunnel interface)

  o  we can see the full 6bone routing table, including Sprint's /24

  o  we can get no ping replies from 3FFE:2900:B:C::1 which is Sprint's
     side of our tunnel to Sprint.


>From CLEAR's router:

  o  we can ping 3FFE:2900:FFE1::3 (Canterbury's router's tunnel interface)

  o  we can see the full 6bone routing table, including Sprint's /24
     and Canterbury's /64

  o  we can ping everybody (within reason :)

When Canterbury is pinging, I can see the packets on a debug trace on the
CLEAR router with source address 3FFE:2900:FFE1::3. I don't see any
replies, though.

Canterbury's router is a cisco 2514 running (C2500-TIPV6-M), Experimental
  Version 11.3(19980421:205904) [raj-ipv6 223].

CLEAR's router is a cisco 1603 running (C1600-YIPV6-M), Experimental
  Version 11.3(19980421:205904) [raj-ipv6 228]


Thanks in anticipation,


Joe