On Wed, Dec 11, 2024 at 07:49:13PM +0100, ASV wrote: > Hi everyone, > I'm stuck on trying to use an alias from a VM. Everything works from > its main ip address 10.0.0.53 but from an alias, in this case > 172.16.20.1, I can't manage to make comms going out from it. > > For example with "ping -I 172.16.20.1 <whatever-ip>" or openvpn binding > from it. There's no firewall active and there is no block from the > border firewall for that IP address. At this point I'm wondering if > that could work at all. > > For the record the configuration of the VM is pretty much based on the > "Option 4" of the official OpenBSD guide at > https://www.openbsd.org/faq/faq16.html#VMMnet > > any hing would be appreciated. > Thank you. > > > > *** VSWITCH configuration > veb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> > description: switch1-SWITCH01 > index 7 llprio 3 > groups: veb > em1 flags=3<LEARNING,DISCOVER> > port 2 ifpriority 0 ifcost 0 > vport0 flags=3<LEARNING,DISCOVER> > port 8 ifpriority 0 ifcost 0 > tap0 flags=3<LEARNING,DISCOVER> > port 11 ifpriority 0 ifcost 0 > vport0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu > 1500 > lladdr fe:e1:ba:d0:fa:31 > description: INTERNAL > index 8 priority 0 llprio 3 > groups: vport > inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255 > > *** VM configuration > switch "SWITCH01" { > interface veb0 > } > vm "VM-01" { > memory 800M > enable > disk /root/VM-01.qcow2 > interfaces 1 > interface { switch "SWITCH01" } > } > > *** VM NIC output > vio0: > flags=808b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST,AU > TOCONF4> mtu 1500 > lladdr fe:e1:bb:d1:0a:30 > index 1 priority 0 llprio 3 > groups: egress > media: Ethernet autoselect > status: active > inet 10.0.0.53 netmask 0xffffff00 broadcast 10.0.0.255 > inet 172.16.20.1 netmask 0xffffffff >
That alias's netmask doesn't look right to me. Also, does the VM host have an appropriate routing rule for that subnet? What does "route get 172.16.20.1" say? --
