Unable to access OpenStack instance from other devices


Billa Yahya

I have done a DevStack installation of OpenStack on the server.

I have added ICMP and SSH rules to the security group. And made an example above.

I can ssh and ping these instances from the host.

The problem now is that I can't ssh or even ping my instance from other machines on this network. Interestingly, these instances can ssh/ping other machines and even ping my other server and the ssh VM on that server.

I hope I made sense, but let me know if you have more to ask

Billa Yahya

this works fine for me

echo 1 > /proc/sys/net/ipv4/ip_forward

iptables -t nat -A POSTROUTING -o eno1 -j masquerading

echo 1 > /proc/sys/net/ipv4/conf/eno1/proxy_arp

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