Bridge utils config für Virtualbox Debian: Unterschied zwischen den Versionen

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=Networkconfig=
+
=Installation=
==Lan Bridge==
+
*apt install bridge-utils iptables dnsmasq
*/etc/network/interfaces
+
=Muss in die /etc/network/interfaces=
 
<pre>
 
<pre>
auto eth0
+
auto dummy0
iface eth0 inet manual
+
iface dummy0 inet manual
 +
pre-up modprobe dummy numdummies=1
  
 
auto vmbr0
 
auto vmbr0
 
iface vmbr0 inet static
 
iface vmbr0 inet static
     address 10.82.1.89
+
     address 192.168.16.254
     netmask 255.255.0.0
+
     netmask 255.255.255.0
    gateway 10.82.0.1
+
     bridge_ports dummy0
    dns-nameservers 10.80.0.2 10.82.0.3
 
    dns-search xinux.org
 
     bridge_ports eth0
 
 
     bridge_fd 5
 
     bridge_fd 5
 
     bridge_stp no
 
     bridge_stp no
 +
    post-up iptables -t nat -j POSTROUTING -s 192.168.16.0/24 -j MASQUERADE
 +
    post-up echo 1 > /proc/sys/net/ipv4/ip_forward
 
</pre>
 
</pre>
  
==Handling==
+
=Danach=
===Bridge up===
+
*ifup -v vmbr0
*ifup -v vimbr0
+
=DNS und DHCP für das Netz=
===Bridge down===
+
;Konfiguration
*ifdown -v vimbr0
+
*vi /etc/dnsmasq.conf
 
+
interface=vmbr0
 
+
bind-interfaces
=Bridge mit dummy interface=
+
dhcp-range=192.168.16.100,192.168.16.110,255.255.255.0,12h
*[[Bridge mit dummy interface]]
+
dhcp-option=3,192.168.16.254
 +
dhcp-option=6,192.168.16.254
 +
  server=8.8.8.8
 +
log-queries
 +
log-dhcp
 +
;Starten und Enablen
 +
*systemctl restart  dnsmasq

Aktuelle Version vom 8. April 2026, 12:09 Uhr

Installation

  • apt install bridge-utils iptables dnsmasq

Muss in die /etc/network/interfaces

auto dummy0
iface dummy0 inet manual
pre-up modprobe dummy numdummies=1

auto vmbr0
iface vmbr0 inet static
    address 192.168.16.254
    netmask 255.255.255.0
    bridge_ports dummy0
    bridge_fd 5
    bridge_stp no
    post-up iptables -t nat -j POSTROUTING -s 192.168.16.0/24 -j MASQUERADE 
    post-up echo 1 > /proc/sys/net/ipv4/ip_forward

Danach

  • ifup -v vmbr0

DNS und DHCP für das Netz

Konfiguration
  • vi /etc/dnsmasq.conf
interface=vmbr0
bind-interfaces
dhcp-range=192.168.16.100,192.168.16.110,255.255.255.0,12h
dhcp-option=3,192.168.16.254
dhcp-option=6,192.168.16.254
server=8.8.8.8
log-queries 
log-dhcp
Starten und Enablen
  • systemctl restart dnsmasq