cvicenie3

IP xxx.xxx.xxx.xxx
prva 0.0.0.
     255.255.255.255




		____	     ___	 _
WWW--DSL ------ |PC1| <----->|PC2| ---- | |
     Router	____         ___	 _
     NAT		
		IP
		Maska


4 Skupiny IP : A,B,C,D

1.126
128..191
192..223
224..

Specialna adresa :

127.0.0.1 - localhost

10.0.00 - 10.255.255.250 -> privatne adresy
 
172.16.00 - 172.32.255.255 ->privatne adresy

192.168.0.0 - 192.168.255.255 ->privatne adresy

z vonku sa neda pripojit, pouzivaju ho napr firmy...



Proxi server
...



Ket gep osszekotese:

PC1-192.168.0.200 ,Maska 255.255.255.128 (ha ez lenne akkor a ip 192.168.128)
PC2-192.168.0.25  ,Maska 255.255.255.128 (ha ez lenne akkor a ip 192.168.0)

nem latnak egymast



PC1-192.168.0.200 ,Maska 255.255.255.128 (ha ez lenne akkor a ip 192.168.128)
PC2-192.168.0.201  ,Maska 255.255.255.128 (ha ez lenne akkor a ip 192.168.128)



rozdiel siete

2 casti - 1 000 000 | 128
4 casti - 1 100 000 | 192
8 casti - 1 110 000 | 224


priklad

rozdelit na 3 siete

192.168.96.0
192.168.96.255
255.255.255.0




 	 -ET1 192.168.96.0        od 192.168.96.2 do 192.168.96.62  192.168.96.0 -adresa siete ,192.168.96.63 broadcast
-------- -ET2 192.168.96.64       	 / 255.255.255.192
	 -ET3 192.168.96.128



    H  192.168.96.0 - adresa siete
A - B  192.168.96.63- broadcast
    M  255.255.255.192- maska
    GW 192.168.96.1  - getaway



    H  192.168.96.64
B - B  192.168.96.127
    M  255.255.255.192
    GW 192.168.96.65 



    H  192.168.96.128
B - B  192.168.96.255
    M  255.255.255.128
    GW 192.168.96.129 







prikald 2


192.168.96.0
192.168.96.127
255.255.255.128






 	 -ET1 192.168.96.0    / 255.255.255.192       
-------- -ET2 192.168.96.64   / 255.255.255.224
	 -ET3 192.168.96.96   / 255.255.255.224









www.subnet-calculator.com
http://www.yougetsignal.com/