The type of table entry for this M013 Serivce.
A static entry is one that is stored in non-volatile
memory.
A dynamic entry is one that is automatically created
for an unconfigured virtual circuit based on the
the type of service (bridging or trunking) and whether
a default VLAN is defined for the type of service.
Changing the value via a write command from dynamic
to static will cause the table entry to be stored
into non-volatile memory. Setting a value of dynamic
is not allowed.