How to use two network cards at the same time?

Question

linux

I have two network cards:

enp4s0f1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.180  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::2b14:8e31:6d4b:d724  prefixlen 64  scopeid 0x20<link>
        ether a8:1e:84:8c:fb:38  txqueuelen 1000  (Ethernet)
        RX packets 2352125  bytes 3392624997 (3.3 GB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 885625  bytes 61615312 (61.6 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Локальная петля (Loopback))
        RX packets 3142  bytes 300770 (300.7 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3142  bytes 300770 (300.7 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.117  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::83ef:eb3d:58c0:8c3c  prefixlen 64  scopeid 0x20<link>
        ether 3c:a0:67:fa:be:8d  txqueuelen 1000  (Ethernet)
        RX packets 945335  bytes 1230791402 (1.2 GB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 178906  bytes 23943428 (23.9 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

I want them to work at the same time, but right now they use the same subnet 192.168.0.0.
In the NM settings, I wrote the following and wlp3s0 refused to work in principle:

source-directory /etc/network/interfaces.d

auto lo
iface lo inet loopback

auto enp4s0f1
iface enp4s0f1 inet dhcp

auto wlp3s0
iface wlp3s0 inet static
address 192.168.1.117
netmask 255.255.255.0

What am I missing or doing wrong?

Answer 1

The right question contains the answer.
What do you mean "use two network cards at the same time"?
What do you want from them?

Answer 2

First, it would be good to decide on which interface the traffic will go to the gateway. Then - consider whether it turns out that the response to the packet through one interface will leave through the second - in many distributions this behavior is not handled by default.

Answer 3

Wired and wireless cannot be combined into one bond. That is, it is possible, but it will work poorly, a lot of incomprehensible glitches.
If addresses from the same subnet are simply registered, then only one interface will be used, as a rule, the one that rose last.