ip 192.168.0.xxx(214)<br>
/24(서브넷마스크)<br>
255.255.255.0
<br><br>
192.168.0.214<br>
192.168.0.1(게이트웨이)<br>
<br><br>
DNS<br>
192.168.0.99<br>
168.126.63.1
<br>
<br>
<br>
<br>
GNS<br>
\\192.168.0.102(공유폴더)<br>
<br>
tools 中<br>
winpcap<br>
intel<br>
virtviewer...all check<br>
<br>
전송 --- utp 케이블 --- 수신<br>
  *ip(4294967296개), 서브넷마스크, 게이트웨이, dns*<br>
<br>
사설ip<br>
A CLASS  10.0.0.0 ~10.255.255.255<br>
B CLASS  172.16.0.0 ~172.31.255.255<br>
C CLASS  192.168.0.0 ~ 192.168.255.255<br>
<br>
내 아이피<br>
125.246.95.152<br>
<br>
NAT기능 (공인IP < - > 사설IP (공유기))<br>
<br>
숙제 : 집에서 쓰는 가짜IP, 진짜IP 찾아오기
<br>
<br>
<br>
<br>
new project 20241217001<br>
pc1 > ? > ip ?<br>
PC1> ip 192.168.0.1 255.255.255.0 192.168.0.254<br>
PC1 : 192.168.0.1 255.255.255.0 gateway 192.168.0.254<br>
<br>
[사용가능 명령어 정리]<br>
virtural pc &nbsp;&nbsp;vs. &nbsp;&nbsp;&nbsp;&nbsp;my pc<br>
arp &nbsp;&nbsp;&nbsp;o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;o<br>
dhcp &nbsp;o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(서버필요)<br>
ip &nbsp;&nbsp;&nbsp;&nbsp;o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x<br>
ping &nbsp;&nbsp;o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;o<br>
rlogin o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x<br>
trace &nbsp;o &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(tracert)<br>
<br>
arp table 채우기 ; 우선적으로 ping(접촉) 필요<br>
ping 192.168.0.1<br>
arp ; mac 주소 확인 가능 (5분 후 휘발되는 성질)<br>
<br>
new project 20241217002<br>
pc1 ><br>
ip 192.168.0.1 255.255.255.0 192.168.0.254<br>
ping 192.168.0.2<br>
ping 192.168.0.3<br>
pc2 ><br>
ip 192.168.0.2 255.255.255.0 192.168.0.254<br>
pc3 ><br>
ip 192.168.0.3 255.255.255.0 192.168.0.254<br>
<br>