1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py
index fc06a7b053..02ab5b66ea 100644
--- a/synapse/replication/tcp/client.py
+++ b/synapse/replication/tcp/client.py
@@ -31,6 +31,7 @@ from .commands import (
     Command,
     FederationAckCommand,
     InvalidateCacheCommand,
+    RemoteServerUpCommand,
     RemovePusherCommand,
     UserIpCommand,
     UserSyncCommand,
@@ -210,6 +211,9 @@ class ReplicationClientHandler(AbstractReplicationClientHandler):
         cmd = UserIpCommand(user_id, access_token, ip, user_agent, device_id, last_seen)
         self.send_command(cmd)
 
+    def send_remote_server_up(self, server: str):
+        self.send_command(RemoteServerUpCommand(server))
+
     def await_sync(self, data):
         """Returns a deferred that is resolved when we receive a SYNC command
         with given data.