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List:       snap-users
Subject:    (KAME-snap 8731) mip6 - BU error
From:       Cristian CONSTANTIN <constantin () fokus ! fraunhofer ! de>
Date:       2004-08-17 14:28:18
Message-ID: 20040817142818.GC28584 () terix ! fokus ! gmd ! de
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hi!

any idea why a HA would send an BU error like this:

Frame 58 (78 bytes on wire, 78 bytes captured)
    Arrival Time: Aug 17, 2004 15:12:10.476895000
    Time delta from previous packet: 0.000629000 seconds
    Time since reference or first frame: 124.453945000 seconds
    Frame Number: 58
    Packet Length: 78 bytes
    Capture Length: 78 bytes
Ethernet II, Src: 00:01:02:b8:25:7f, Dst: 00:03:47:92:95:3f
    Destination: 00:03:47:92:95:3f (Intel_92:95:3f)
    Source: 00:01:02:b8:25:7f (3com_b8:25:7f)
    Type: IPv6 (0x86dd)
Internet Protocol Version 6
    Version: 6
    Traffic class: 0x00
    Flowlabel: 0x00000
    Payload length: 24
    Next header: Mobile IPv6 (0x87)
    Hop limit: 62
    Source address: 3ffe:400:190:46:210:4bff:feb6:32ba \
(3ffe:400:190:46:210:4bff:feb6:32ba)  Destination address: \
3ffe:400:190:51:203:47ff:fe92:953f (3ffe:400:190:51:203:47ff:fe92:953f) Mobile IPv6
    Payload protocol: IPv6 no next header (0x3b)
    Header length: 2 (24 bytes)
    Mobility Header Type: Binding Error (7)
    Reserved: 0x00
    Checksum: 0xafac
    Binding Error
        Status: Unknown binding for Home Address destination option (1)
        Home Address: 3ffe:400:190:46:203:47ff:fe92:953f \
(3ffe:400:190:46:203:47ff:fe92:953f)

when it receives an BU from a MN like this:

Frame 57 (94 bytes on wire, 94 bytes captured)
    Arrival Time: Aug 17, 2004 15:12:10.476266000
    Time delta from previous packet: 0.000032000 seconds
    Time since reference or first frame: 124.453316000 seconds
    Frame Number: 57
    Packet Length: 94 bytes
    Capture Length: 94 bytes
Ethernet II, Src: 00:03:47:92:95:3f, Dst: 00:01:02:b8:25:7f
    Destination: 00:01:02:b8:25:7f (3com_b8:25:7f)
    Source: 00:03:47:92:95:3f (Intel_92:95:3f)
    Type: IPv6 (0x86dd)
Internet Protocol Version 6
    Version: 6
    Traffic class: 0x00
    Flowlabel: 0x00000
    Payload length: 40
    Next header: IPv6 destination option (0x3c)
    Hop limit: 255
    Source address: 3ffe:400:190:51:203:47ff:fe92:953f \
(3ffe:400:190:51:203:47ff:fe92:953f)  Destination address: \
3ffe:400:190:46:210:4bff:feb6:32ba (3ffe:400:190:46:210:4bff:feb6:32ba) Destination \
Option Header  Next header: Mobile IPv6 (old) (0x3e)
    Length: 2 (24 bytes)
    PadN: 4 bytes
    Option Type: 201 (0xc9) - Home Address Option
    Option Length : 16
    Home Address : 3ffe:400:190:46:203:47ff:fe92:953f \
(3ffe:400:190:46:203:47ff:fe92:953f) Mobile IPv6
    Payload protocol: IPv6 no next header (0x3b)
    Header length: 1 (16 bytes)
    Mobility Header Type: Binding Update (5)
    Reserved: 0x00
    Checksum: 0x15a9
    Binding Update
        Sequence number: 0
        1... .... = Acknowledge (A) flag: Binding Acknowledgement requested
        .1.. .... = Home Registration (H) flag: Home Registration
        ..0. .... = Link-Local Compatibility (L) flag: No Link-Local Address \
                Compatibility
        ...0 .... = Key Management Compatibility (K) flag: No Key Management Mobility \
Compatibility  Lifetime: 7 (28 seconds)
    Mobility Options
        PadN: 4 bytes

the HA is an:

bash-2.04# uname -a
FreeBSD balcmeg 4.9-RELEASE FreeBSD 4.9-RELEASE #1: Wed Jun 23 18:46:37 CEST 2004     \
torsten@balcmeg:/usr/src/kame20040322/kame/freebsd4/sys/compile/MIP6_balcmeg  i386

and the MN is an linux:
Linux 2.4.22 #1 Fri May 7 16:44:19 CEST 2004
i686 i686 i386 GNU/Linux

having the patch / module mipv6-1.0-v2.4.22 for mobile-ip6 stuff. 

thanks!
bye now!
cristian

-- 
 _          | There are many people who use UNIX or Linux  
(_'_        | who IMHO do not understand UNIX.
  (_'rist   |              --David Korn  
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