[support] Two IPv6 addresses on PPP interface

[Thomas Kempf]

Hi all,

I setup IPv6 tunneling towards a GPRS mobile as described in
http://www.nautilus6.org/doc/tc-bmobile_l2tp-20041028-KuntzR.txt  The
tunneling works fine exept that I get two autoconfigured addresses. And
the  2001:a:b:6000::/64  and 2001:a:b:6000:899b:8ce3:ad13:2ba3/64 . The
addess with the zeroes at the end is registered at the HomeAgent. Is
that correct? Has anybody the same experience and does MIP work? I see
that on the MobileRouter the packets aren't sent back correctly. See
below the ppp interface settings with the two addresses:

Thanks,
Thomas



ppp1      Link encap:Point-to-Point Protocol  
          inet6 addr: 2001:a:b:6000::/64 Scope:Global
          inet6 addr: ::/64 Scope:Global
          inet6 addr: 2001:a:b:6000:899b:8ce3:ad13:2ba3/64 Scope:Global
          inet6 addr: fe80::899b:8ce3:ad13:2ba3/10 Scope:Link
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:23 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3 
          RX bytes:1968 (1.9 KiB)  TX bytes:180 (180.0 b)


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