hello,

i'm trying to set an etherip bridge between two OBSD VM which are inside
two ESXi servers.

I configured bridges and etherip interfaces as said in manual etherip(4).

private lan1 ----- host1 ---------------- host2 ----- private lan2

host1 public address : vmx0, 10.91.178.3
host2 public address : vmx0,  10.91.219.52

private lan1 address and private lan2 address are on vmx1 ​

​from host1, I can ping host2 (ping ​10.91.219.52) : ok
but, from another host in private lan1 (192.168.33.1), I cannot ping
another host in private lan2 (192.168.33.2).

I can see arp requests on host1 vmx1, but there is no traffic on bridge0,
neither on etherip0 or vmx0.

I do not see what is wrong in my configuration.

Thank you for your help.

on host1 :

OpenBSD 6.0

sysctl net.inet.ip.forwarding net.inet.etherip.allow
net.inet.ip.forwarding=1
net.inet.etherip.allow=1

ifconfig vmx0
vmx0: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST>
mtu 1500
        lladdr a0:36:9f:c0:05:b8
        index 1 priority 0 llprio 3
        media: Ethernet autoselect (10GbaseT)
        status: active
        inet 10.91.178.3 netmask 0xffffff80 broadcast 10.91.178.127

ifconfig vmx1
vmx1: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST>
mtu 1500
        lladdr 00:0c:29:15:34:56
        index 2 priority 0 llprio 3
        media: Ethernet autoselect (10GbaseT)
        status: active
        inet 192.168.33.254 netmask 0xffffff00 broadcast 192.168.33.255

ifconfig etherip0
etherip0: flags=8902<BROADCAST,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        lladdr fe:e1:ba:d0:7e:f0
        index 6 priority 0 llprio 3
        groups: etherip
        media: Ethernet autoselect
        status: active
        tunnel: inet 10.91.178.3 -> 10.91.219.52

ifconfig bridge0
bridge0: flags=0<>
        index 7 llprio 3
        groups: bridge
        priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto
rstp
        designated: id 00:00:00:00:00:00 priority 0
        etherip0 flags=3<LEARNING,DISCOVER>
                port 6 ifpriority 0 ifcost 0
        vmx1 flags=3<LEARNING,DISCOVER>
                port 2 ifpriority 0 ifcost 0
        Addresses (max cache: 100, timeout: 240):

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