>  MP> I have a few questions about running a linux distro in a vm on a
>  MP> linux box. I have read up about how to get Ethernet working over a
>  MP> bridge,

> Hopefully those manuals didn't contain the brctl command...
> `man ip` (or `man ip-link`) will guide you in the right direction.

Well, I did try brctl and got a little farther than with ip.  I tried the
steps for ip listed in this website:

https://alberand.github.io/host-only-networki...

Got all the way to this one before I got an error:

sudo dnsmasq --interface=br0 --bind-interfaces
--dhcp-range=192.168.0.3,192.168.

dnsmasq: failed to create listening socket for 192.168.0.17: Cannot assign
reque

However I think the issue might be right before that:

sudo ip link set dev br0 up
sudo ip link set dev tap0 up

These did not return any eror messages, but when I run ip addr, it tells me
that both br0 and tap0 are "state DOWN"?  I think they should be UP, right??

FYI, here is what ip addr returns:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
defaul
    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: enp1s0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
s
    link/ether 00:07:32:4f:05:91 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.11/24 brd 192.168.0.255 scope global dynamic enp1s0
       valid_lft 82309sec preferred_lft 82309sec
    inet6 fe80::7534:df0a:13f:4256/64 scope link
       valid_lft forever preferred_lft forever
3: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast master
br
    link/ether 06:fc:5e:fd:6d:bb brd ff:ff:ff:ff:ff:ff
4: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN
gr
    link/ether 06:fc:5e:fd:6d:bb brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.0/24 brd 192.168.0.255 scope global br0
       valid_lft forever preferred_lft forever
    inet 192.168.0.17/24 brd 192.168.0.255 scope global secondary br0
       valid_lft forever preferred_lft forever
    inet 192.168.0.11/24 brd 192.168.0.255 scope global secondary br0
       valid_lft forever preferred_lft forever

For good measure, here is what my interfaces file looks like:

/etc/network/interfaces

auto br0
iface br0 inet dhcp
   pre-up ip tuntap add dev tap0 mode tap user bbs
   pre-up ip link set tap0 up
   bridge_ports all tap0
   bridge_stp off
   bridge_maxwait 0
   bridge_fd      0
   post-down ip link set tap0 down
   post-down ip tuntap del dev tap0 mode tap

FYI, this is all on the HOST... I have yet to get to setting up the vm
guest.

I did a lot of searches on the error message I got, and variations, and did
not find anything that gave me a hint as to what the issue might be.

Mike

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