@Override
		protected PeerEurekaNode createPeerEurekaNode(String peerEurekaNodeUrl) {
			Jersey3ReplicationClient replicationClient = createReplicationClient(serverConfig, serverCodecs,
					peerEurekaNodeUrl, this.replicationClientAdditionalFilters.getFilters());

			String targetHost = hostFromUrl(peerEurekaNodeUrl);
			if (targetHost == null) {
				targetHost = "host";
			}
			return new PeerEurekaNode(registry, targetHost, peerEurekaNodeUrl, replicationClient, serverConfig);
		}
{@link PeerEurekaNodes} which updates peers when /refresh is invoked. Peers are
updated only if <code>eureka.client.use-dns-for-fetching-service-urls</code> is
<code>false</code> and one of following properties have changed.
<p>
</p>
<ul>
<li><code>eureka.client.availability-zones</code></li>
<li><code>eureka.client.region</code></li>
<li><code>eureka.client.service-url.&lt;zone&gt;</code></li>
</ul>
spring-cloud-netflix-eureka-server/src/main/java/org/springframework/cloud/netflix/eureka/server/EurekaServerAutoConfiguration.java