tomize the <code>spec.externalIPs</code> section of the Service to manually give the Gateway an IP reachable
from outside the cluster.</p><p>If the external IP is present, check that the Service includes a <code>topology.istio.io/network</code> label with the correct
value. If that is incorrect, reinstall the gateway and make sure to set the &ndash;network flag on the generation script.</p><p><strong>The network of either the client or server cannot be determined.</strong></p><p>On the source pod, check the