hi ,
this is the IPv6 packet containing bindig update.
Note: In none of the packet below there is no Authentication Header ,
because the home agent i am using is not impementing AH or ESP
60 00 00 00 version(4 bit) , priority(4bit) and flow(24bit)
00 28 3c40 payload(2byte),next header(1byte),hoplimit(1 byte)
3f fe 0b 00 0c 18 1f ff 02 00 e2 ff fe 3a c0 6b care-of-address (16
byte)
fe c0 00 00 00 00 00 01 02 03 47 ff fe 40 64 2d homeagent address (16 byte)
3b 04 next header(1 byte) and header extension length (1byte)
01 02 00 00 padN option (4 byte)
c6 08 c0 00 00 01 00 00 00 ff Binding update option (10 byte)
01 04 00 00 00 00 padN option (6 byte)
c9 10 fe c0 00 00 00 00 00 00 02 00 e2 ff fe 3a c0 6b Home address
option ( 18 byte)
Below is another IPv6 packet in which home address option is included as a
seperate destination option header
60 00 00 00 version(4 bit) , priority(4bit) and flow(24bit)
00 28 3c 3f payload(2byte),next header(1byte),hoplimit(1 byte)
3f fe 0b 00 0c 18 1f ff 02 00 e2 ff fe 3a c0 6b care-of-address (16
byte)
fe c0 00 00 00 00 00 01 02 03 47 ff fe 40 64 2d homeagent address (16
byte)
3c 02 next header(1 byte) and header extension length (1byte)
01 02 00 00 padN option (4 byte)
c9 10 fe c0 00 00 00 00 00 00 02 00 e2 ff fe 3a c0 6b Home address option
18 byte)
3b 01 next header(1 byte) and header extension length (1byte)
01 02 00 00 padN option (4 byte)
c6 08 c0 00 00 01 00 00 00 ff Binding update option (10 byte)
please let me no in which part there is ERROR.
regards,
Shiv Shankar
Senior Systems Enginner
Telecom & Inter Networking Solutions
Wipro Technologies
Gurgaon
Ph. 0124-6398465-69 Ext 2006
----- Original Message -----
From: Keiichi SHIMA <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 03, 2001 8:23 AM
Subject: Re: need urgent help
> Hi,
>
> Shiv Shankar wrote:
> >
> > i am working on mobile ip and struc at one palce. ie. i have
been
> > build a binding update header and sending it to the home agent. home
agent is
> > proccessing it and increasing variable "Bindupdtrecvd" by one but it is
not
> > updateng other information like bindingupdate list ( home address,
> > careofaddress, lifetime,type). and also not returning any error. so
please
> > tell me where could be mistake.
>
> did you see the binding ack from the HA in response to the binding
> update you sent? if not, your binding update might have some wrong
> parts. if you could show the dump of packets between MN and HA,
> someone (maybe I) can tell you the packet format and the sequence was
> correct or not.
>
> > destination header is like this below
> > 1byte -> nextheader
> > 1byte->headerlength
> > 1byte->option type
> > 1byte->option length
> > 8 byte-> option data
> > 4byte->padding
> >
> > i will prefer if you can send me the complete destination option header
for
> > binding update.
>
> here is a sample IPv6 packet that includes a binding update dest opt.
> this packet format is based on the draft-13.
>
> 6000 0000 0040 3c3f 2001 the_ care of__
> addr of__ MN__ ____ 2001 the_ addr of__
> home agnt ____ ____ 3302 0102 0000 c910
> ^^^^^^^^^^^^^^^^^^^ <= home address dest opt
> 2001 the_ home addr of__ MN__ ____ ____
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 3c04 0000 0000 05dc 0000 0005 ad2a 36c2
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <= authtication header
> 6f43 f189 a001 3719 3b01 c608 c000 0005
> ~~~~~~~~~~~~~~~~~~~ ^^^^^^^^^^^^^^^^^^^ <= binding update dest opt
> 0000 ffe7 0102 0000
> ^^^^^^^^^ ~~~~~~~~~ <= padding of dest opt
>
> in this case, the binding update dest opt includes following
> infomation.
>
> next header(1) 0x3b (no next header)
> length(1) 1 (16 bytes)
> opt type(1) 0xc6 (binding update)
> opt len(1) 8
> flags(1) 0xc0 (ack request, home registration)
> prefix len(1) 0
> seq no(2) 5
> lifetime(4) 0x0000ffe7
>
> does this help you?
>
> ---
> Keiichi SHIMA <[EMAIL PROTECTED]>
> IIJ Research Laboratory
> Internet Initiative Japan, Inc.
>
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