Differences

This shows you the differences between two versions of the page.

--- linux:netzwerk:bridge [2020/10/21 09:35] – ms
+++ linux:netzwerk:bridge [2023/11/02 22:58] (current) – ms
@@ Line 2: / Line 2: @@
 === Nötige Packete ===
 <code>
-apt-get install bridge-utils
+apt install bridge-utils
 </code>
 /etc/network/interfaces
 <code>
+auto lo br0
+iface lo inet loopback
 iface br0 inet static
-        address 192.123.12.2/24
+    bridge_ports eth0
-        gateway 192.123.12.1
+        address 192.168.12.2/24
-        dns-nameservers 192.123.12.1
+        gateway 192.168.12.1
-        dns-search domain.de
+#        dns-nameservers 192.168.12.1
-        bridge_ports eth0
         bridge_waitport 0
         bridge_maxwait 0
         bridge_df 0
         bridge_stp off
-auto net1
-iface net1 inet manual
-        pre-up ip tuntap add net1 mode tap
-        pre-up ip link set net1 up
-        pre-up ip link set net1 master br0
-auto net2
-iface net2 inet manual
-        pre-up ip tuntap add net2 mode tap
-        pre-up ip link set net2 up
-        pre-up ip link set net2 master br0
-auto net3
-iface net3 inet manual
-        pre-up ip tuntap add net3 mode tap
-        pre-up ip link set net3 up
-        pre-up ip link set net3 master br0
-auto net4
-iface net4 inet manual
-        pre-up ip tuntap add net4 mode tap
-        pre-up ip link set net4 up
-        pre-up ip link set net4 master br0
-auto net8
-iface net8 inet manual
-        pre-up ip tuntap add net8 mode tap
-        pre-up ip link set net8 up
-        pre-up ip link set net8 master br0
-auto net9
-iface net9 inet manual
-        pre-up ip tuntap add net9 mode tap
-        pre-up ip link set net9 up
-        pre-up ip link set net9 master br0
 </code>
 Bridged-Netzwerk manuell einrichten
@@ Line 59: / Line 25: @@
 ip link add name br0 type bridge
 ip link set eth0 master br0
-ip addr add 192.123.12.2/24 dev br0
+ip addr add 192.168.12.2/24 dev br0
 ip link set br0 up
+ip route add default via 192.168.12.1
-ip tuntap add dev tap0 mode tap user $(whoami)
-ip link set tap0 master br0
-ip link set dev br0 up
-ip link set dev tap0 up
-ip link set eth0 nomaster
-ip link delete br0 type bridge
-route add default gw 192.123.12.1
 </code>
 Kernel Parameter
@@ Line 81: / Line 38: @@
 Für QEMU VM
 <code>
-qemu-system-x86_64 -m 4096 -cpu host -machine type=pc,accel=kvm -hda /media/ramdisk/vm0.img -vga std -k de -net nic,macaddr=52:54:00:12:34:00 -net tap,ifname=net0,script=no,downscript=no -boot c
+qemu-system-x86_64 -m 4069 -cpu host -smp 2 -machine type=pc,accel=kvm \
+-hda /media/ramdisk/vm21.img -display none -k de \
+-netdev tap,id=net21,ifname=tap21,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown \
+-device e1000,netdev=net21,mac=52:54:00:12:34:21 \
+-boot c &
 </code>
+===== Systemd Networkd =====
+Alle Config-Files unter /etc/systemd/network/
+<code>
+ls -l
+-rw-r--r-- 1 root root 30 Nov  2 22:19 br0.netdev
+-rw-r--r-- 1 root root 98 Nov  2 22:20 br0.network
+-rw-r--r-- 1 root root 45 Nov  2 22:21 lan-eth0.network
+</code>
+<code>
+br0.netdev
+[NetDev]
+Name=br0
+Kind=bridge
+</code>
+<code>
+br0.network
+[Match]
+Name=br0
+[Network]
+Address=192.168.1.5/24
+Gateway=192.168.1.1
+DNS=8.8.8.8 192.168.1.1
+</code>
+<code>
+lan-eth0.network
+[Match]
+Name=eth0
+[Network]
+Bridge=br0
+</code>