Type

‘10000110’B

Code

‘00000000’B

Checksum

Set by SS

Cur Hop Limit

‘00000000’B

M

Set by the SS

O

Set by the SS

H

‘0’B

Prf

Set by the SS

Prf

Set by the SS

P

Set by the SS

Reserved

‘00000’B

Router Lifetime

Set by the SS

Reachable Time

Set by the SS

Retrans Timer

Set by the SS

type

‘00000011’B

Length

‘00000100’B

Prefix length

Set by the SS

L

‘1’B

A

Set by the SS

Valid Lifetime

Set by the SS

Preferred Lifetime

Set by the SS

Prefix

Set according to specific message content

IPv4 Source Address

A1

UE IPv4 CoA (IPv4 address acquired by UE during network attachment)

IPv4 Destination Address

A1

IPv4 of Home Agent discovered during preamble

UDP header

A1

Source Port

A1

Set by UE

Destination port

A1

‘0001000001011111’B

IPv6 Source Address

A1, A2

IPv6 Home Address configured by the UE from Home Network Prefix assigned to UE during preamble

IPv6 Source Address

A3

UE IPv6 CoA (IPv6 address acquired by the UE during network attachment)

IPv6 Destination Address

IPv6 of Home Agent discovered during preamble

Destination Header

A3

IPv6 Home Address configured by the UE from Home Network Prefix assigned to the UE during preamble

Payload Proto

‘00111011’B

MH Type

‘00000101’B (Binding Update message)

Sequence Number

Any allowed value

Lifetime

Any allowed non-zero value

A

‘1’B

H

‘1’B

L

Not checked

K

‘1’B

M

‘0’B

R

‘1’B

P

‘0’B

F

‘0’B

IPv4 Home Address option

Set according to specific message content

Alternate Care-of Address Option

Set according to specific message content

A1

UE is in an IPv4 visited network (see RFC 5555)

A2

UE is in an IPv6 home network (see RFC 5555)

A3

UE is in an IPv6 visited network (see RFC 5555)

IPv4 Source Address

A1

IPv4 Home Agent address

IPv4 Destination Address

A1

Same value as UE IPv4 CoA in IP Source Address from Binding Update

UDP header

A1

Source Port

A1

‘0001000001011111’B

Destination port

A1

Same as Source port in Binding Update

IPv6 Source Address

IPv6 Home Agent address

IPv6 Destination Address

A3

Same value as UE IPv6 CoA in IP Source Address from Binding Update

IPv6 Destination Address

A1, A2

IPv6 Home Address

Routing Header

A3

Same value as UE IPv6 Home Address in Destination Header from Binding Update

Payload Proto

‘00111011’B

MH Type

‘00000110’B (Binding Acknowledgement message)

Status

‘00000000’B (Binding Update accepted)

K

Set by the SS

R

‘1’B

P

‘0’B

Sequence Number

Same value as that sent by the UE in the Binding Update

Lifetime

‘0000000010010110’B (10 min)

IPv4 Address Acknowledgement option

Optional: field present if IPv4 Home Address option was included by the UE in Binding Update at Step 2. Set to the IPv4 Home Address allocated to the UE

Binding Refresh Advice option

‘0000000010010110’B (10 min)

A1

UE is in an IPv4 visited network (see RFC 5555)

A2

UE is in an IPv6 home network (see RFC 5555)

A3

UE is in an IPv6 visited network (see RFC 5555)

IPv4 Source Address

A1

IPv4 Home Agent address

IPv4 Destination Address

A1

Same value as UE IPv4 CoA in IP Source Address from Binding Update

UDP header

A1

Source Port

A1

‘0001000001011111’B

Destination port

A1

Same as Source port in Binding Update

IPv6 Source Address

IPv6 Home Agent address

IPv6 Destination Address

A2

Same value as UE IPv6 CoA in IP Source Address from Binding Update

IPv6 Destination Address

A1

IPv6 Home Address

Routing Header

A2

Same value as UE IPv6 Home Address in Destination Header from Binding Update

B.R. Type

‘00000001’B (B.R.I)

Sequence Number

Set by the SS

Revocation Trigger

‘00000001’B

P

‘0’B

G

‘0’B

V

‘0’B

A1

UE is in an IPv4 visited network (see RFC 5555)

A2

UE is in an IPv6 visited network (see RFC 5555)

IPv4 Source Address

A1

UE IPv4 CoA (IPv4 address acquired by UE during network attachment)

IPv4 Destination Address

A1

IPv4 of Home Agent discovered during preamble

UDP header

A1

Source Port

A1

Set by UE

Destination port

A1

‘0001000001011111’B

IPv6 Source Address

A1

IPv6 Home Address configured by the UE from Home Network Prefix assigned to UE during preamble

IPv6 Source Address

A2

UE IPv6 CoA (IPv6 address acquired by the UE during network attachment)

IPv6 Destination Address

IPv6 of Home Agent discovered during preamble

Destination Header

A2

IPv6 Home Address configured by the UE from Home Network Prefix assigned to the UE during preamble

B.R. Type

‘00000010’B (B.R.A)

Sequence Number

Same value as Sequence Number sent by the SS in Binding Revocation Indication message

Status

‘00000000’B (Success)

P

‘0’B

G

‘0’B

V

‘0’B

A1

UE is in an IPv4 visited network (see RFC 5555)

A2

UE is in an IPv6 visited network (see RFC 5555)