def get_nexusport_binding(port_id, vlan_id, switch_ip, instance_id):
LOG.debug("<STR_LIT>")<EOL>return _lookup_all_nexus_bindings(port_id=port_id,<EOL>vlan_id=vlan_id,<EOL>switch_ip=switch_ip,<EOL>instance_id=instance_id)<EOL>
Lists a nexusport binding.