Fix comments for txpower settings in master.cfg

wfb_ng/conf/master.cfg

@@ -62,8 +62,12 @@ nodes = {
           # If ssh_user or ssh_port is set to None then node will not be automatically initialized in ssh mode.
           # If ssh_key is None, then ssh_agent will be used.
 
-          #'127.0.0.1': { 'wlans': ['wlan1', 'wlan2'], 'wifi_txpower': None},
-          #'10.5.1.1' : { 'wlans': ['wlan0', 'wlan1']},
+          # Local cards (use driver-default txpower settings):
+          #'127.0.0.1': { 'wlans': ['wlan1', 'wlan2'], 'wifi_txpower': None, 'server_address': '127.0.0.1' },
+
+          # Remote cards:
+          #'192.168.1.123' : { 'wlans': ['wlan0', 'wlan1'], 'wifi_txpower': 'off'},    # rx-only node
+          #'192.168.1.155' : { 'wlans': ['wlan0', 'wlan1']},     # rx/tx node
         }
 
 # Cluster init can be auto (--cluster ssh) or manual (--cluster manual)
@@ -77,6 +81,8 @@ custom_init_script = None # Do some custom command inside of node init script be
                           # You can specify any bash snippet here
 
 server_address = None     # Set to IP address which is reachable from all cluster nodes
+                          # For local cards need to override it to 127.0.0.1 in the node attributes!
+
 base_port_server = 10000  # UDP ports allocated on server
 base_port_node = 11000    # UDP ports allocated on nodes