Vernetzung mittels TCP/IP Linux Beispiel: Unterschied zwischen den Versionen
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*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
*'''iptables -t nat -I POSTROUTING -o eth0 -j MASQUERADE''' | *'''iptables -t nat -I POSTROUTING -o eth0 -j MASQUERADE''' | ||
| + | *'''hostnamectl set-hostname r1.kit.lab''' | ||
==r2== | ==r2== | ||
*'''ip addr add 172.18.43.2/24 dev eth0''' | *'''ip addr add 172.18.43.2/24 dev eth0''' | ||
| Zeile 23: | Zeile 24: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname r2.kit.lab''' | |
==r3== | ==r3== | ||
*'''ip addr add 172.18.43.3/24 dev eth0''' | *'''ip addr add 172.18.43.3/24 dev eth0''' | ||
| Zeile 32: | Zeile 33: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname r3.kit.lab''' | |
==r4== | ==r4== | ||
*'''ip addr add 172.19.44.34/27 dev eth0''' | *'''ip addr add 172.19.44.34/27 dev eth0''' | ||
| Zeile 40: | Zeile 41: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname r4.kit.lab''' | |
==s1== | ==s1== | ||
*'''ip addr add 172.19.44.41/27 dev eth0''' | *'''ip addr add 172.19.44.41/27 dev eth0''' | ||
| Zeile 46: | Zeile 47: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname s1.kit.lab''' | |
==s2== | ==s2== | ||
*'''ip addr add 192.168.77.12/24 dev eth0''' | *'''ip addr add 192.168.77.12/24 dev eth0''' | ||
| Zeile 52: | Zeile 53: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname s2.kit.lab''' | |
==w1== | ==w1== | ||
*'''ip addr add 192.168.22.67/24 dev eth0''' | *'''ip addr add 192.168.22.67/24 dev eth0''' | ||
| Zeile 58: | Zeile 59: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| − | + | *'''hostnamectl set-hostname w1.kit.lab''' | |
==w2== | ==w2== | ||
*'''ip addr add 192.168.22.68/24 dev eth0''' | *'''ip addr add 192.168.22.68/24 dev eth0''' | ||
| Zeile 64: | Zeile 65: | ||
*'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | *'''echo "nameserver 172.19.44.41/27" > /etc/resolv.conf''' | ||
*'''echo "search kit.lab" >> /etc/resolv.conf''' | *'''echo "search kit.lab" >> /etc/resolv.conf''' | ||
| + | *'''hostnamectl set-hostname w2.kit.lab''' | ||
Version vom 14. Februar 2023, 14:32 Uhr
Beispiel Netz
- Jeder Rechner soll jeden erreichen.
- Der Router r1 soll maskieren.
- Der server s1 soll als Nameserver fungieren.
![Bearbeiten](javascript:editDrawio("933961447", "Vernetzung mittels TCP-IP Linux Beispiel 1.drawio.png", "png", false, false, false, true, "https://embed.diagrams.net")){kind=link}
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