We recommend that you verify network connectivity and resolve any
issues before proceeding further. Following the external network
subnet example using 203.0.113.0/24, the tenant
router gateway should occupy the lowest IP address in the floating
IP address range, 203.0.113.101. If you configured
your external physical network and virtual networks correctly, you
you should be able to ping this IP address from any
host on your external physical network.
![]() | Note |
|---|---|
If you are building your OpenStack nodes as virtual machines, you must configure the hypervisor to permit promiscuous mode on the external network. |
To verify network connectivity
Ping the tenant router gateway:
$ ping -c 4 203.0.113.101 PING 203.0.113.101 (203.0.113.101) 56(84) bytes of data. 64 bytes from 203.0.113.101: icmp_req=1 ttl=64 time=0.619 ms 64 bytes from 203.0.113.101: icmp_req=2 ttl=64 time=0.189 ms 64 bytes from 203.0.113.101: icmp_req=3 ttl=64 time=0.165 ms 64 bytes from 203.0.113.101: icmp_req=4 ttl=64 time=0.216 ms --- 203.0.113.101 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 2999ms rtt min/avg/max/mdev = 0.165/0.297/0.619/0.187 ms

![[Note]](../common/images/admon/note.png)
