{code}
 NO_DNS = TRUE
 ENABLE_IPV6 = TRUE
-#NETWORK_INTERFACE = 2607:f388:1086:0:21b:24ff:fedf:b520
+NETWORK_INTERFACE = 2607:f388:1086:0:21b:24ff:fedf:b520
 DEFAULT_DOMAIN_NAME = example.com
 #CONDOR_HOST = 2607-f388-1086-0-21e-68ff-fe0f-6462.example.com
 COLLECTOR_HOST = 2607-f388-1086-0-21e-68ff-fe0f-6462.example.com
 ALLOW_WRITE=$(ALLOW_WRITE),2607-f388-1086-0-21b-24ff-fedf-b520.example.com
 ALLOW_NEGOTIATOR=$(ALLOW_NEGOTIATOR),2607-f388-1086-0-21e-68ff-fe0f-6462.example.com
 {endcode}
+
+NETWORK_INTERFACE is required; used for detection of scope ids.