A circle in front of each peer on your Hamachi list is a status
Note: This functionality is not available on Linux.
The color of this indicator reflects the status of the connection
between you and a peer.
The peer is offline.
The client is trying to establish connection
to the peer.
There is a direct link between the client and
There is a relay tunnel between the client
and the peer. You may have to set a static TCP or UDP port for Hamachi to use.
This is generally necessary when you have a computer behind a router or NAT
device and its support of NAT is poor. In this case, you should set up a static
port forward on the router/NAT, and then fix a static port in Hamachi. For
information about setting up a port forward rule, see
Traffic is blocked between the client and the
peer. Right-click on the peer to find out why communication is blocked.