Thomas Kunz
Systems and Computer Engineering
19
type = 16
length = 6 + 4 * #COAs
R: registration required
B: busy, no more
registrations
H: home agent
F: foreign agent
M: minimal encapsulation
G: GRE encapsulation
r: =0, ignored (former Van
Jacobson compression)
T: FA supports reverse
tunneling
reserved: =0, ignored
Agent Advertisement
preference level 1
router address 1
#addresses
type
addr. size
lifetime
checksum
COA 1
COA 2
type = 16
sequence number
length
0
7
8
15
16
31
24
23
code
preference level 2
router address 2
. . .
registration lifetime
. . .
R
B
H
F
M
G
r
reserved
T