Show router status, that is BIRD version, uptime and time from last
reconfiguration.
+ <tag><label id="cli-show-status">show memory</tag>
+ Show BIRD memory. BIRD does not stop other computations in order to measure
+ the used memory, hence the measured memory usage may differ from the real memory usage.
+
<tag><label id="cli-show-interfaces">show interfaces [summary]</tag>
Show the list of interfaces. For each interface, print its type, state,
MTU and addresses assigned.