buonic dhcllent.conf issue

[Tom H]

On Mon, Feb 24, 2020 at 6:10 PM Ignazio Cassano
<ignaziocassano at gmail.com> wrote:
> Il Lun 24 Feb 2020, 17:09 Little Girl <littlergirl at gmail.com> ha
> scritto:
>> Ignazio Cassano wrote:
>>
>>> I am configuring some bionic virtual machines .
>>> Each virtual machine had one only interface and receive static
>>> routes from dhcp.
>>> I tried to modify /etc/dhcp/dhclient.conf removing from request the
>>> entry rfc3442-classless-static-routes.
>>> It does not take any effect.
>>> Vm continues to receive all static routes.
>>>
>>> Any help, please ?
>>
>> You might find this page useful:
>>
>> https://blogs.oracle.com/scoter/networking-in-virtualbox-v2
>>
>> It does a great job of describing the different networking options
>> in VirtualBox.
>
> Thanks, but it does not help me.
> I think the problem is the new networking model on ubuntu 18.
> On centos and ubuntu 16 work fine.

By "new networking model" you must mean netplan.

If yes, are you sure that you're using NM and dhclient and not using
networkd (and its inbuild dhcp client)?