Update Debian config example.

Author: brocaar

packaging/debian/chirpstack-packet-multiplexer.toml

@@ -39,10 +39,35 @@
   #   # If not set, data of all gateways will be forwarded. If set, only data
   #   # from gateways with a matching Gateway ID will be forwarded.
   #   #
-  #   # Examplex:
+  #   # Example:
   #   # * "0102030405060708/32": Exact match (all 32 bits of the filter must match)
   #   # * "0102030400000000/16": All gateway IDs starting with "01020304" (filter on 16 most significant bits)
   #   gateway_id_prefixes=[]
+  #
+  #   # Filter configuration.
+  #   [multiplexer.server.filters]
+
+  #     # DevAddr prefix filters.
+  #     #
+  #     # Example configuration:
+  #     # dev_addr_prefixes=["0000ff00/24"]
+  #     #
+  #     # The above filter means that the 24MSB of 0000ff00 will be used to
+  #     # filter DevAddrs. Uplinks with DevAddrs that do not match any of the
+  #     # configured filters will not be forwarded. Leaving this option empty
+  #     # disables filtering on DevAddr.
+  #     dev_addr_prefixes=[]
+
+  #     # JoinEUI prefix filters.
+  #     #
+  #     # Example configuration:
+  #     # join_eui_prefixes=["0000ff0000000000/24"]
+  #     #
+  #     # The above filter means that the 24MSB of 0000ff0000000000 will be used
+  #     # to filter JoinEUIs. Uplinks with JoinEUIs that do not match any of the
+  #     # configured filters will not be forwarded. Leaving this option empty
+  #     # disables filtering on JoinEUI.
+  #     join_eui_prefixes=[]
 
 
 # Monitoring configuration.