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Network
Açıklama : Bir topoloji verilecek ve bu topolojinin Subnetting’i olu turulacaktır. Öncelikleş
bir kaç tane temel bilgiye ufak bir ekilde de inece iz.ş ğ ğ
Özel IPV4 Adresler
Bu adresler internete ba lı olmayan makinelerde ya da internet ba lantısını proxy serverğ ğ
ve ya NAT aracılı ıyla sa layan iç networkte bulunan makinelerde kullanılır. Yani buğ ğ
adresler yerel alan a larında kullanılmak üzere ayrılmı tır.ğ ş
10.0.0.0 - 10.255.255.255 (10.0.0.0/8 - 10.0.0.0 maske 255.0.0.0)
172.16.0.0 - 172.31.255.255 (172.16.0.0/12 - 172.16.0.0 maske 255.240.0.0)
192.168.0.0 - 192.168.255.255 (192.168.0.0/16 - 192.168.0.0 maske 255.255.0.0)
Subnet Mask : Bilgisayarın hangi a da oldu unu gösterir. Farklı a daki bilgisayarlarğ ğ ğ
birbirleri ile direkt bilgi alı veri inde bulunamazlar.(ş ş Subnet Maskları farklı) Bu yüzden bilgi
alı veri inde routerlar yani yönlendiriciler ile ileti im sa lanır.ş ş ş ğ 1
1
Not :
n = Hosbit Sayısı
2n
= Toplam IP Sayısı
2n
– 2 = Kullanilabilir IP Sayısı
32 – n = Network Sayısı
● Network’e dokunma hostbitler 0 Network ID→
● Network bitlerine dokunma hostbitler 1 Broadcast→
● Network bitleri 1 hostlar 0 Subnet Mask→
● Olu an network sayısı = 2ş çalınan bit sayısı
Uygulama 192.168.0.0 /
Açıklama : 192.168.0.0/ bir IP’li bir Network olu turalım. Bu network’te 3 tane routerş
bulunsun. Default her routerın 4 baca ı olur fakat daha fazla bacak sayısı olanğ
routerlarda olmaktadır bunu unutmamakta fayda var.2
2
Topoloji 192.168.0.0/
(8) Toplam IP : 512 (9) Toplam IP : 512
3
3
(4) Kullanılabilir IP : 127 (5) Toplam IP :252
(1) Toplam IP : 15
(2) Kullanılabilir IP : 12
(3) Kullanılabilir IP : 31
(6) Kullanılabilir IP : 1024 (7) Kullanılabilir IP : 2
(1) Network : 2n
= 15 n = 4
32 – 4 = 28 192.168.0.0 / 28
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.15 / 28→
HostMin : 192.168.0.1 / 28
HostMax : 192.168.0.14 / 28
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.240→
(2) Network : 2n
- 2 = 12 n = 4
32 – 4 = 28 192.168.0.0 / 28
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.15 / 28→
HostMin : 192.168.0.1 / 28
HostMax : 192.168.0.14 / 28
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.240→
(3) Network : 2n
- 2 = 31 n = 6
32 – 6 = 26 192.168.0.0 / 26
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.63 / 26→
HostMin : 192.168.0.1 / 26
HostMax : 192.168.0.62 / 26
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.192→
4
4
0 0 0 0 1 1 1 1
1 1 1 1 0 0 0 0
0 0 0 0 1 1 1 1
1 1 1 1 0 0 0 0
0 0 1 1 1 1 1 1
1 1 0 0 0 0 0 0
(4) Network : 2n
- 2 = 127 n = 8
32 – 8 = 24 192.168.0.0 / 24
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.255→
HostMin : 192.168.0.1 / 24
HostMax : 192.168.0.254 / 24
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→
(5) Network : 2n
= 252 n = 8
32 – 8 = 24 192.168.0.0 / 24
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.255 / 24→
HostMin : 192.168.0.1 / 24
HostMax : 192.168.0.254 / 24
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→
(6) Network : 2n
- 2 = 1024 n = 11
32 – 11 = 21 192.168.0.0 / 21
Broadcast : 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 192.168.7.255→
HostMin : 192.168.0.1 / 21
HostMax : 192.168.7.254 / 21
Subnet Mask : 255 . 255 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _
255.255.248.0→
5
5
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0
(7) Network : 2n
- 2 = 2 n = 2
32 – 2 = 30 192.168.0.0 / 30
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.3 / 30→
HostMin : 192.168.0.1 / 30
HostMax : 192.168.0.2 / 30
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.252→
(8) Network : 2n
= 2 n = 1
32 – 1 = 31 192.168.0.0 / 31
Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.1 / 31→
HostMin : 192.168.0.1 / 31
HostMax : 192.168.0.0 / 31
Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→
(9) Network : 2n
= 512 n = 9
32 – 9 = 23 192.168.0.0 / 23
Broadcast : 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 192.168.7.255→
HostMin : 192.168.0.1 / 31
HostMax : 192.168.0.0 / 31
Subnet Mask : 255 . 255 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _
255.255.254.0→
0 0 0 0 0 0 1 1
1 1 1 1 1 1 0 0
0 0 0 0 0 0 0 1
1 1 1 1 1 1 1 0
0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 12
1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0
Örnek : 192.168.10.0 / 24 blo unu 16 farklı network blo una bölünüz.ğ ğ
2n
= 16 n = 4 çalınan bit sayısı→
24 + 4 = 28 192.168.10.0 /28
! 4 farklı network olasılı ı varğ
Örnek : 192.168.10.0 / 24 blo unu 2 farklı network blo una bölünüz.ğ ğ
2n
= 2 n = 1 çalınan bit sayısı→
24 + 1 = 25 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.0 / 25→
! 2 farklı network olasılı ı varğ
a = 1 için 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.128.0 / 25→
a = 0 için 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.0 / 25→
Örnek : 192.168.10.0 / 24 blo unu 8 farklı network blo una bölünüz.ğ ğ
2n
= 8 n = 3 çalınan bit sayısı→
! 3 farklı network olasılı ı varğ
24 + 3 = 27 192.168.10.0 / 27
6
6
a /
1
0
Örnek : 192.168.128.0 / 20 blo unu 2 farklı network blo una bölünüz.ğ ğ
2n
= 2 n = 1 çalınan bit sayısı→
20 + 1 = 21 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _
192.168.128.0 / 21→
! 2 farklı network olasılı ı varğ
a = 1 için 192.168.136.0 / 21
a = 0 için 192.168.128.0 / 21
Örnek : 12.22.128.34 / 12 blo unu 8 farklı network blo una bölünüz.ğ ğ
2n
= 8 n = 3 çalınan bit sayısı→
12 + 3 = 15
12 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _
7
7
/a /
/a b c/
Network example

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Network example

  • 1. Network Açıklama : Bir topoloji verilecek ve bu topolojinin Subnetting’i olu turulacaktır. Öncelikleş bir kaç tane temel bilgiye ufak bir ekilde de inece iz.ş ğ ğ Özel IPV4 Adresler Bu adresler internete ba lı olmayan makinelerde ya da internet ba lantısını proxy serverğ ğ ve ya NAT aracılı ıyla sa layan iç networkte bulunan makinelerde kullanılır. Yani buğ ğ adresler yerel alan a larında kullanılmak üzere ayrılmı tır.ğ ş 10.0.0.0 - 10.255.255.255 (10.0.0.0/8 - 10.0.0.0 maske 255.0.0.0) 172.16.0.0 - 172.31.255.255 (172.16.0.0/12 - 172.16.0.0 maske 255.240.0.0) 192.168.0.0 - 192.168.255.255 (192.168.0.0/16 - 192.168.0.0 maske 255.255.0.0) Subnet Mask : Bilgisayarın hangi a da oldu unu gösterir. Farklı a daki bilgisayarlarğ ğ ğ birbirleri ile direkt bilgi alı veri inde bulunamazlar.(ş ş Subnet Maskları farklı) Bu yüzden bilgi alı veri inde routerlar yani yönlendiriciler ile ileti im sa lanır.ş ş ş ğ 1 1
  • 2. Not : n = Hosbit Sayısı 2n = Toplam IP Sayısı 2n – 2 = Kullanilabilir IP Sayısı 32 – n = Network Sayısı ● Network’e dokunma hostbitler 0 Network ID→ ● Network bitlerine dokunma hostbitler 1 Broadcast→ ● Network bitleri 1 hostlar 0 Subnet Mask→ ● Olu an network sayısı = 2ş çalınan bit sayısı Uygulama 192.168.0.0 / Açıklama : 192.168.0.0/ bir IP’li bir Network olu turalım. Bu network’te 3 tane routerş bulunsun. Default her routerın 4 baca ı olur fakat daha fazla bacak sayısı olanğ routerlarda olmaktadır bunu unutmamakta fayda var.2 2
  • 3. Topoloji 192.168.0.0/ (8) Toplam IP : 512 (9) Toplam IP : 512 3 3 (4) Kullanılabilir IP : 127 (5) Toplam IP :252 (1) Toplam IP : 15 (2) Kullanılabilir IP : 12 (3) Kullanılabilir IP : 31 (6) Kullanılabilir IP : 1024 (7) Kullanılabilir IP : 2
  • 4. (1) Network : 2n = 15 n = 4 32 – 4 = 28 192.168.0.0 / 28 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.15 / 28→ HostMin : 192.168.0.1 / 28 HostMax : 192.168.0.14 / 28 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.240→ (2) Network : 2n - 2 = 12 n = 4 32 – 4 = 28 192.168.0.0 / 28 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.15 / 28→ HostMin : 192.168.0.1 / 28 HostMax : 192.168.0.14 / 28 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.240→ (3) Network : 2n - 2 = 31 n = 6 32 – 6 = 26 192.168.0.0 / 26 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.63 / 26→ HostMin : 192.168.0.1 / 26 HostMax : 192.168.0.62 / 26 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.192→ 4 4 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0
  • 5. (4) Network : 2n - 2 = 127 n = 8 32 – 8 = 24 192.168.0.0 / 24 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.255→ HostMin : 192.168.0.1 / 24 HostMax : 192.168.0.254 / 24 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→ (5) Network : 2n = 252 n = 8 32 – 8 = 24 192.168.0.0 / 24 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.255 / 24→ HostMin : 192.168.0.1 / 24 HostMax : 192.168.0.254 / 24 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→ (6) Network : 2n - 2 = 1024 n = 11 32 – 11 = 21 192.168.0.0 / 21 Broadcast : 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 192.168.7.255→ HostMin : 192.168.0.1 / 21 HostMax : 192.168.7.254 / 21 Subnet Mask : 255 . 255 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 255.255.248.0→ 5 5 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0
  • 6. (7) Network : 2n - 2 = 2 n = 2 32 – 2 = 30 192.168.0.0 / 30 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.3 / 30→ HostMin : 192.168.0.1 / 30 HostMax : 192.168.0.2 / 30 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.252→ (8) Network : 2n = 2 n = 1 32 – 1 = 31 192.168.0.0 / 31 Broadcast : 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.1 / 31→ HostMin : 192.168.0.1 / 31 HostMax : 192.168.0.0 / 31 Subnet Mask : 255 . 255 . 255 . _ _ _ _ _ _ _ _ 255.255.255.0→ (9) Network : 2n = 512 n = 9 32 – 9 = 23 192.168.0.0 / 23 Broadcast : 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 192.168.7.255→ HostMin : 192.168.0.1 / 31 HostMax : 192.168.0.0 / 31 Subnet Mask : 255 . 255 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 255.255.254.0→ 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 12 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0
  • 7. Örnek : 192.168.10.0 / 24 blo unu 16 farklı network blo una bölünüz.ğ ğ 2n = 16 n = 4 çalınan bit sayısı→ 24 + 4 = 28 192.168.10.0 /28 ! 4 farklı network olasılı ı varğ Örnek : 192.168.10.0 / 24 blo unu 2 farklı network blo una bölünüz.ğ ğ 2n = 2 n = 1 çalınan bit sayısı→ 24 + 1 = 25 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.0 / 25→ ! 2 farklı network olasılı ı varğ a = 1 için 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.128.0 / 25→ a = 0 için 192 . 168 . 0 . _ _ _ _ _ _ _ _ 192.168.0.0 / 25→ Örnek : 192.168.10.0 / 24 blo unu 8 farklı network blo una bölünüz.ğ ğ 2n = 8 n = 3 çalınan bit sayısı→ ! 3 farklı network olasılı ı varğ 24 + 3 = 27 192.168.10.0 / 27 6 6 a / 1 0
  • 8. Örnek : 192.168.128.0 / 20 blo unu 2 farklı network blo una bölünüz.ğ ğ 2n = 2 n = 1 çalınan bit sayısı→ 20 + 1 = 21 192 . 168 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 192.168.128.0 / 21→ ! 2 farklı network olasılı ı varğ a = 1 için 192.168.136.0 / 21 a = 0 için 192.168.128.0 / 21 Örnek : 12.22.128.34 / 12 blo unu 8 farklı network blo una bölünüz.ğ ğ 2n = 8 n = 3 çalınan bit sayısı→ 12 + 3 = 15 12 . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ 7 7 /a / /a b c/