unable to install VM . Your network is probably not using DHCP

I

IT_dumbo

New Member
Jul 25, 2019
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Hi,

I have installed PVE on my Intel NUC and have managed to obtain access to the management console. I am trying to create a ubuntu VM but the installation fails at network configuration. I'm getting the following error "Your network is probably not using the DHCP protocol " This error is preventing VM from getting an IP from the host DHCP. Any help is much appreciated

Code: 
root@pve:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 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_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 94:c6:91:14:86:91 brd ff:ff:ff:ff:ff:ff
3: wlp58s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 88:b1:11:99:66:00 brd ff:ff:ff:ff:ff:ff
    inet 192.168.178.24/24 brd 192.168.178.255 scope global wlp58s0
       valid_lft forever preferred_lft forever
    inet6 fe80::8ab1:11ff:fe99:6600/64 scope link
       valid_lft forever preferred_lft forever
4: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 82:bb:d1:2c:ff:ff brd ff:ff:ff:ff:ff:ff
    inet 10.10.10.1/24 brd 10.10.10.255 scope global vmbr0
       valid_lft forever preferred_lft forever
    inet6 fe80::2c64:82ff:feb8:c377/64 scope link
       valid_lft forever preferred_lft forever
5: tap100i0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UNKNOWN group default qlen 1000
    link/ether 82:bb:d1:2c:ff:ff brd ff:ff:ff:ff:ff:ff

Code: 
auto lo
iface lo inet loopback

iface enp0s20f0u1 inet manual

auto wlp58s0
iface wlp58s0 inet static
        address 192.168.178.24
        netmask 255.255.255.0
        gateway 192.168.178.1
        wpa-ssid SSID
        wpa-psk PASSWORD

auto vmbr0
iface vmbr0 inet static
        address 10.10.10.1
        netmask 255.255.255.0
        bridge_ports none
        bridge_stp off
        bridge_fd 0

        post-up echo 1 > /proc/sys/net/ipv4/ip_forward
        post-up iptables -t nat -A POSTROUTING -s '10.10.10.0/24' -o wlp58s0 -j MASQUERADE
        post-up iptables -t nat -D POSTROUTING -s '10.10.10.0/24' -o wlp58s0 -j MASQUERADE

iface eno1 inet manual
 
If you do NAT then you either need a DHCP server on that private network (eg. 10.10.10.0/24) or use static IPs.
 
I tried dhcp but didn't work but was able to get it work through static ip. Thanks again for your help
 
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