How to fix enp0s20 unknown

Farhan

New Member
Jul 14, 2020
6
0
1
28
Can you help me, my problem is not connect internet because enp0s20 : master vmbr0 state UNKNOWN mode DEFAULT
 
Hi,

Please post your network config cat /etc/network/interfaces and output of ip a
Hi,

Please post your network config cat /etc/network/interfaces and output of ip a

root@nms:~# cat /et/network/interfaces
auto lo
iface lo inetloopback

iface enp0s20f0u1u6 inet manual

auto vmbr0
iface vmbr0 inet static
address 1xx.xxx.130
netmask xxx.xxx.xxx.xxx
gateway xxx.xxx.xxx
bridge_port enp0s20f0u1u6
bridge_stp off
bridge_fd 0

iface eno1 inet manual

iface eno 2 inet manual

root@nms: ip a
I dont upload foto because my foto so large size, but enp0,s20f0u1u6 unknown and vmbr0 state up group
 
Ifreload -a
Command not found

#Ip a
- lo: <LOOPBACK, UP, LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default glen 1000
Link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 Inet 127.0.0.1/8 scope host lo
valid 1ft forever preferred_Lft forever Inet6 ::1/128 scope host
valid ift forever preferred Ift forever
- eno1: <NO-CARRIER, BRORDCAST, MULTICAST, UP> mtu 1500. qdisc mq state DOWN group default qlen 1000 link/ether 08:94:ef:a3:48:64 brd ff:ff:ff:ff:ff:ff
- eno2: <BROADCAST, MULTICAST> mtu 1500 adisc noop state DOWN group default qlen 1000
link/ether 08:94:ef:a3:4B:65 brd ff:ff:ff:ff:ff:ff
- enp0s20f0u1u6: <BROADCAST, MULTICAST,UP.LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UNKNOWN group default qlen 1000 linkether 0a:94:ef:83:3b:e5 brd ff:ff:ft:ff:ff:ff
- eno0 :< BROADCAST, MULTICAST. UP.LOWER UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
linkether 62:46:ed:42:12:59 brd ff:ff:ff:ff:ff:ff
inet xxx.xxx.130/28 brd xxx.xxx.143 scope global eno0
validity forever preferred it forever
- vmbr0 : < BROADCAST, MULTICAST. UP.LOWER UP> mtu 1500 qdisc noqueue state Up group default qlen 1000
Link/ether 0a:94:ef :a3:3b:e5 brd ff:ff:ff:ff:ff:ff
 
root@nms:~# cat /et/network/interfaces
auto lo
iface lo inetloopback

iface enp0s20f0u1u6 inet manual

Did you write that or you made copy paste?
if copy paste there a syntax mistakes on inetloopback should to be inet loopback
 
Sorry sir o_Oo_O, i false write and this true :

root@nms:~# cat /et/network/interfaces
auto lo
iface lo inet loopback

iface enp0s20f0u1u6 inet manual

auto vmbr0
iface vmbr0 inet static
address 1xx.xxx.130
netmask xxx.xxx.xxx.xxx
gateway xxx.xxx.xxx
bridge_port enp0s20f0u1u6
bridge_stp off
bridge_fd 0

iface eno1 inet manual

iface eno2 inet manual

But internet not connected in my server, how to fix this problem sir?
 
Last edited:

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!