[support] Destination unreachable from HA on BU???

[Romain KUNTZ]

Hi,

On 2009/03/25, at 11:34, Mattias Blomqvist wrote:
> Tcpdump of a received BU:
> HA:~# tcpdump -vvv -x -i eth0 -s 200 host xxxx:xxxx::1
> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture  
> size 200 bytes
> 12:16:42.450564 IP6 (hlim 63, next-header IPv6 (41)

Next header should be destination option header (0x3c)

> payload length:
> 72) yyyy:yyyy::13 > xxxx:xxxx::1: IP6 (hlim 64, next-header Mobility
> (135) payload length: 32) xxxx:xxxx:0:1300::1 > xxxx:xxxx::1:

Your BU seems encapsulated in IPv6, it has 2 IPv6 headers. You should  
check your MN.

> mobility: BU seq#=18685 AH lifetime=262140(padn)(alt-CoA:
> yyyy:yyyy::13)
> 0x0000:  6000 0000 0048 293f yyyy yyyy 0000 0000
> 0x0010:  0000 0000 0000 0013 xxxx xxxx 0000 0000
> 0x0020:  0000 0000 0000 0001 6000 0000 0020 8740
> 0x0030:  xxxx xxxx 0000 1300 0000 0000 0000 0001
> 0x0040:  xxxx xxxx 0000 0000 0000 0000 0000 0001
> 0x0050:  3b03 0500 020a 48fd c000 ffff 0100 0310
> 0x0060:  yyyy yyyy 0000 0000 0000 0000 0000 0013


Cheers,
romain