The DHCP mode configured by the
administrator.
If 'true' the DHCP is enabled. In which
case an IP address is requested in DHCP.
This is in addition to any that are
configured by the administrator in
'ciiIPAddressTable' or 'ciiIPIfAddressTable'
in CISCO-IP-IF-MIB.
If 'false' the DHCP is disabled. In which
case all IP addresses are configured by the
administrator in 'ciiIPAddressTable' or
'ciiIPIfAddressTable'.
For interfaces, for which DHCP cannot be or
is not supported, then this object has the
value 'false'.