Vernetzung mittels TCP/IP Linux Beispiel: Unterschied zwischen den Versionen

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Zeile 20: Zeile 20:
 
*'''hostnamectl set-hostname r1.kit.lab'''
 
*'''hostnamectl set-hostname r1.kit.lab'''
 
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−
 
+
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==r2==
 
==r2==
 +
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*'''ip addr add 172.18.43.2/24 dev eth0'''
 
*'''ip addr add 172.18.43.2/24 dev eth0'''
 
*'''ip addr add 192.168.77.1/24 dev eth1'''
 
*'''ip addr add 192.168.77.1/24 dev eth1'''
Zeile 29: Zeile 30:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname r2.kit.lab'''
 
*'''hostnamectl set-hostname r2.kit.lab'''
 +
</div></div>
 +
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==r3==
 
==r3==
 +
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*'''ip addr add 172.18.43.3/24 dev eth0'''
 
*'''ip addr add 172.18.43.3/24 dev eth0'''
 
*'''ip addr add 172.19.44.33/27 dev eth1'''
 
*'''ip addr add 172.19.44.33/27 dev eth1'''
Zeile 38: Zeile 42:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname r3.kit.lab'''
 
*'''hostnamectl set-hostname r3.kit.lab'''
 +
</div></div>
 +
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==r4==
 
==r4==
 +
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*'''ip addr add 172.19.44.34/27 dev eth0'''
 
*'''ip addr add 172.19.44.34/27 dev eth0'''
 
*'''ip addr add 192.168.22.1/24 dev eth1'''
 
*'''ip addr add 192.168.22.1/24 dev eth1'''
Zeile 46: Zeile 53:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname r4.kit.lab'''
 
*'''hostnamectl set-hostname r4.kit.lab'''
 +
</div></div>
 +
<div class="toccolours mw-collapsible mw-collapsed">
 
==s1==
 
==s1==
 +
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*'''ip addr add 172.19.44.41/27 dev eth0'''
 
*'''ip addr add 172.19.44.41/27 dev eth0'''
 
*'''ip route add default via 172.19.44.33'''
 
*'''ip route add default via 172.19.44.33'''
Zeile 52: Zeile 62:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname s1.kit.lab'''
 
*'''hostnamectl set-hostname s1.kit.lab'''
 +
</div></div>
 +
<div class="toccolours mw-collapsible mw-collapsed">
 
==s2==
 
==s2==
 +
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*'''ip addr add 192.168.77.12/24 dev eth0'''
 
*'''ip addr add 192.168.77.12/24 dev eth0'''
 
*'''ip route add default via 192.168.77.1'''
 
*'''ip route add default via 192.168.77.1'''
Zeile 58: Zeile 71:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname s2.kit.lab'''
 
*'''hostnamectl set-hostname s2.kit.lab'''
 +
</div></div>
 +
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==w1==
 
==w1==
 +
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*'''ip addr add 192.168.22.67/24 dev eth0'''
 
*'''ip addr add 192.168.22.67/24 dev eth0'''
 
*'''ip route add default via 192.168.22.1'''
 
*'''ip route add default via 192.168.22.1'''
Zeile 64: Zeile 80:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname w1.kit.lab'''
 
*'''hostnamectl set-hostname w1.kit.lab'''
 +
</div></div>
 +
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==w2==
 
==w2==
 +
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*'''ip addr add 192.168.22.68/24 dev eth0'''
 
*'''ip addr add 192.168.22.68/24 dev eth0'''
 
*'''ip route add default via 192.168.22.1'''
 
*'''ip route add default via 192.168.22.1'''
Zeile 70: Zeile 89:
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''echo "search kit.lab" >> /etc/resolv.conf'''
 
*'''hostnamectl set-hostname w2.kit.lab'''
 
*'''hostnamectl set-hostname w2.kit.lab'''
 +
</div></div>

Version vom 14. Februar 2023, 15:57 Uhr

Beispiel Netz

  • Jeder Rechner soll jeden erreichen.
  • Der Router r1 soll maskieren.
  • Der server s1 soll als Nameserver fungieren.

Manuelle Konfiguration

r1

  • ip addr add 212.88.34.67/24 dev eth0
  • ip addr add 172.18.43.1/24 dev eth1
  • ip route add default via 212.88.34.1
  • ip route add 192.168.77.0/24 via 172.18.43.2
  • ip route add 172.19.44.32/27 via 172.18.43.3
  • sysctl -w net.ipv4.ip_forward=1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • iptables -t nat -I POSTROUTING -o eth0 -j MASQUERADE
  • hostnamectl set-hostname r1.kit.lab

r2

  • ip addr add 172.18.43.2/24 dev eth0
  • ip addr add 192.168.77.1/24 dev eth1
  • ip route add default via 172.18.43.1
  • sysctl -w net.ipv4.ip_forward=1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname r2.kit.lab

r3

  • ip addr add 172.18.43.3/24 dev eth0
  • ip addr add 172.19.44.33/27 dev eth1
  • ip route add default via 172.18.43.1
  • ip route add 192.168.22.0/24 via 172.19.44.34
  • sysctl -w net.ipv4.ip_forward=1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname r3.kit.lab

r4

  • ip addr add 172.19.44.34/27 dev eth0
  • ip addr add 192.168.22.1/24 dev eth1
  • ip route add default via 172.19.44.33
  • sysctl -w net.ipv4.ip_forward=1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname r4.kit.lab

s1

  • ip addr add 172.19.44.41/27 dev eth0
  • ip route add default via 172.19.44.33
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname s1.kit.lab

s2

  • ip addr add 192.168.77.12/24 dev eth0
  • ip route add default via 192.168.77.1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname s2.kit.lab

w1

  • ip addr add 192.168.22.67/24 dev eth0
  • ip route add default via 192.168.22.1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname w1.kit.lab

w2

  • ip addr add 192.168.22.68/24 dev eth0
  • ip route add default via 192.168.22.1
  • echo "nameserver 172.19.44.41/27" > /etc/resolv.conf
  • echo "search kit.lab" >> /etc/resolv.conf
  • hostnamectl set-hostname w2.kit.lab
Abgerufen von „http://wiki.ixheim.de/index.php?title=Vernetzung_mittels_TCP/IP_Linux_Beispiel&oldid=41418“