80
RX3141 -
RX
IP
A 10.30.6.125( = 10 = 30.6.125)
B
129.88.16.49( = 129.88 = 16.49)
C 192.60.201.11( = 192.60.201 = 11)
12.3
A B C
D
A 1600
126
WAN
ISP
B A
65,000 16,384 B
C 254
2 2,097,152
C
IP
1 = 1-126 A
1 = 128-191 B
1 = 192-223 C
( 1 )
ID 0 255
12.4
IP
IP ID
ID 1 ID
0 ID
