✁ ✆ ✆
123 '4& #5+ %& ' ( 67 89: : : ; &< =>
.A6 A.>
#$ N1D O N&6+&0FA 1A D@0 A + >
B 255.255.0.0 6
3
255.255.224.0 8
8190
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 3C
K
P
Q
S
X< * %& ' ( U ' '*' +/ 0% # 2+ Y<Z
U
8 Z9PZ SZ=9Z ZC >
U C
8 Z9PZ SZ= Z [ZKK>
U6+ A6 A6 A6
&+F A6 A6
\A0 A6 A6
130.2.0.0
130.2.32.0
130.2.64.0
130.2.96.0
130.2.128.0
130.2.160.0
130.2.192.0
130.2.224.0
130.2.0.1 - 130.2.31.254 130.2.32.1 -130.2.63.254 130.2.64.1 - 130.2.95.254 130.2.96.1 - 130.2.187.254 130.2.128.1 - 130.2.159.254 130.2.160.1 - 130.2.191.254 130.2.192.1 - 130.2.223.254 130.2.224.1 - 130.2.255.254
130.2.31.255 130.2.63.255 130.2.95.255 130.2.127.255 130.2.159.255 130.2.191.255 130.2.223.255 130.2.255.255
130.2.0.0/19
130.2.32.0/19
0.0.0.0/0
130.2.128.0/19
130.2.160.0/19
130.2.64.0/19
130.2.96.0/19
0 0 1 1 2 1 1
Port: Eo - connected Port: S1 - connected Port: Eo - Next hop: 130.2.0.1 Port: Eo - Next hop: 130.2.0.3 Port: Eo - Next hop: 130.2.0.3 Port: S1 - Next hop: 130.2.32.2 Port: S1 - Next hop: 130.2.32.2
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
?
Trang 4"+ e U C 8P I 0f 6E 07 # 2+>
A&#A6 '4& V+ U
0A:11:17:12:8E:27 00:A5:17:EC:18:44
DST MAC SRC MAC
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 5123 '4& #5+ %& ' ( 67 89: : : ; &< =>
.A6 A.>
#$ N1D O N&6+&0FA 1A D@0 A + >
B 255.255.0.0
6 3 255.255.240.0
8 8190
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 6C
K
P
Q
S
X< * %& ' ( U ' '*' +/ 0% # 2+ Y<Z
U
8 Z9PZ SZ=9Z ZC >
U C
8 Z9PZ SZ= Z [ZKK>
U6+ A6 A6 A6
&+F A6 A6
\A0 A6 A6
170.5.0.0
170.5.32.0
170.5.64.0
170.5.96.0
170.5.108.0
170.5.160.0
170.5.192.0
170.5.224.0
170.5.0.1 - 170.5.31.254 170.5.32.1 - 170.5.63.254 170.5.64.1 - 170.5.95.254 170.5.96.1 - 170.5.127.254 170.5.108.1 - 170.5.159.254 170.5.160.1 - 170.5.191.254 170.5.192.1 - 170.5.223.254 170.5.224.1 - 170.5.225.254
170.5.31.255 170.5.63.255 170.5.95.255
170.5.159.255 170.5.191.255 170.5.223.255 170.5.127.255
170.5.255.255
170.5.32.0/19
170.5.64.09
170.5.96/19
170.5.0./19
170.5.128.0/19
170.5.160.0/19
0.0.0.0/0
0 0 0 1 2 3 2
Connected Connected Connected Port: So - Nexthop : 170.5.32.1 Port: So - Nexthop : 170.5.32.1 Port: So - Nexthop : 170.5.32.1 Port: So - Nexthop : 170.5.32.1
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 7A&#A6 '4& V+ U
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 8[
Trang 9D
2 3
A C D
1 2 3
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 10✞ ✟
C D A
2 3 1
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.
Trang 11✁ ✆ ✆
o p%& ' ( 67 @n' F23 %& ' ( U - g
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjk
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjk
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkk
3 < +'&F A.l 6B> 6 6 i %& ' ( '4& -< F- k X< 65 Fi+ '*' 'Y@ f+ &@Z
o @0 A & B '4& +c %& ' ( 67 k
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkk
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkk
o N2+ @0 A & B 67 'V ) * %& ' ( 0& +7@ @0 A - E *< E+ & 67 T+ @0 A F-0& +7@g
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkk
Dia chi tren thuoc lop C
Tong so may khoang 90 -> subnet mask la: 255.255.255.128
Voi subnet mark 255.255.255.128 ta co the chia 2 mang con
Netmask cua lop C goc: 255.255.255.0
Subnet IP la 0100 -> muon 4 bit de chia
subnet ip la 0100 phan host ID co 4 bit -> vecto cuoi co gia tri tu 01000000-01001111 hay 64-89 -> dia chi 213.34.23.129 khong thuoc subnet
muon 4bit de chia subnet -> co the chia toi 2^4=16 subnet va moi subnet co 4 bit de danh dau host -> moi subnet co toi da 2^4-2= 14 host
Edited by Foxit Reader Copyright(C) by Foxit Corporation,2005-2009 For Evaluation Only.