If vRtrLdpStaticFecNHType is set to 'ipAddress', the value
of vRtrLdpStaticFecNHIpAddr specifies the IP address of
the next-hop. In this case, this variable must be set to
a valid value before the row be placed in an active state.
If vRtrLdpStaticFecNHType is set to 'pop', this value of
vRtrLdpStaticFecNHIpAddr will be 0.0.0.0