The settings stored in the The settings stored in the loopback configuration tree branch are used by EcoNAT to send ICMP messages to subscribers. configuration tree branch are used by EcoNAT to send ICMP messages to subscribers.. In the current version of the software these messages are generated by EcoNAT only in one case – if the user for some reason cannot allocate another port on the global address. EcoNAT sends ICMP error type = 3, code = 13 (Destination unreachable (Communication administratively filtered)).
The loopback settings are available in the system loopback branch of the configuration. For loopback, it is possible to specify the displayed IP address and MAC. If the IP address for the loopback is not set, then it will be 100.64.97.116 by default.
EcoNAT:1:system.loopback# show
ip 0.0.0.0
mac 00:00:00:00:00:00
EcoNAT:2:system.loopback# ip 1.1.1.1
EcoNAT:3:system.loopback# show
ip 1.1.1.1
mac 00:00:00:00:00:00
EcoNAT:3:system.loopback#