Should I use eno1 for cloudbr1 for public access then… and eno2 for private
network?
>From the documentation I see they're referring to "eth0" in both cases.
Am I misinterpreting something?
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet manual
auto eth0.200
iface eth0 inet manual
# management network
auto cloudbr0
iface cloudbr0 inet static
bridge_ports eth0
bridge_fd 0
bridge_stp off
bridge_maxwait 1
address 192.168.42.11
netmask 255.255.255.240
gateway 192.168.42.1
dns-nameservers 8.8.8.8 8.8.4.4
dns-domain lab.example.org
# guest network
auto cloudbr1
iface cloudbr1 inet manual
bridge_ports eth0.200
bridge_fd 0
bridge_stp off
bridge_maxwait 1
Sent from Outlook for Android<https://aka.ms/AAb9ysg>
________________________________
From: Wei ZHOU <[email protected]>
Sent: Thursday, February 1, 2024 5:40:35 PM
To: [email protected] <[email protected]>
Subject: Re: Why do the bridges kill the network witht this config?
Two bridges (cloudbr0/cloudbr1) with same interface (eno1) ?
在 2024年2月1日星期四,Javi Moncayo <[email protected]> 写道:
> Hi guys,
>
> I am using Ubuntu 20 I have two interfaces. One physical (eno1) with
> internet access, and eno2 is a vRack for the private network.
>
> On the configuration below, if I use eno2 as interface for both bridges, I
> can create VMs and they can ping each other but I do not have internet
> access. However, if I set the interface to eno1, the network crashes...
>
> What am I missing? How should my configuration look like?
>
> Thanks in advance!
>
> network:
> version: 2
> ethernets:
> eno2:
> dhcp4: no
> addresses:
> - 192.168.0.1/16
> eno1:
> accept-ra: false
> addresses:
> - xxxx:xxxx:xxx:xxxx::/56
> dhcp4: true
> match:
> macaddress: ac:1f:6b:df:50:78
> nameservers:
> addresses:
> - xxxx:xxxx:x:xxx::1
> bridges:
> cloudbr0:
> addresses: [192.168.1.1/16]
> gateway4: 192.168.255.255
> nameservers:
> addresses: [8.8.8.8]
> interfaces: [eno1]
> dhcp4: false
> dhcp6: false
> parameters:
> stp: false
> forward-delay: 0
> cloudbr1:
> interfaces: [eno1]
> dhcp4: false
> dhcp6: false
> parameters:
> stp: false
> forward-delay: 0
>
> eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet xx.xxx.xx.xxx netmask 255.255.255.0 broadcast xx.xxx.xx.xxx
> inet6 xxxx::xxxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20<link>
> inet6 xxxx:xxxx:xxx:xxxx:: prefixlen 56 scopeid 0x0<global>
> ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
> RX packets 441753 bytes 142093871 (142.0 MB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 425365 bytes 66792387 (66.7 MB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> eno2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 192.168.0.1 netmask 255.255.0.0 broadcast 192.168.255.255
> ether ac:1f:6b:df:50:79 txqueuelen 1000 (Ethernet)
> RX packets 29006 bytes 2390888 (2.3 MB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 24554 bytes 1715980 (1.7 MB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>