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TIBCO iProcess® Engine 11.9.1

# port_range

The `port_range` table contains the firewall data about individual port/RPC numbers that lie within port range configurations defined on this iProcess Engine.

## Structure

The `port_range` table has the following structure:

    TABLE port_range (
    	port_range_id			NUMERIC(10)	NOT NULL,
    	slot_number			NUMERIC(10)	NOT NULL,
    	rpc_number			NUMERIC(10)	NOT NULL,
    	port_number			NUMERIC(10)	NOT NULL,
    	status				NUMERIC(10)	NOT NULL,
    	logical_machine_id		NUMERIC(10)	NULL,
    	logical_process_name		VARCHAR(10)	NULL,
    	logical_process_instance	NUMERIC(10)	NULL)

Column | Description
`port_range_id` | Unique ID of the port range configuration that this port/RPC number belongs to, as defined in the port_range_conf table.
`slot_number` | Internal slot in memory used by this port/RPC number.
`rpc_number` | RPC number.
`port_number` | Port number.
`status` | Defines whether this port/RPC number is available or in use by a process. One of the following values:
| • | `-2` Reserved for future use.
| • | `-1` Unobtainable. (A process tried to use the port but found that it was already in use.)
| • | `0` Unallocated.
| • | `1` Allocated to the process defined by the `logical_machine_id`, `logical_process_name` and `logical_process_instance` columns.
`logical_machine_id` | Either:
| • | ID of the server where the process instance that this port/RPC number has been allocated to runs, as defined in the node_cluster table.
| • | `0`, if the port/RPC number has not been allocated to a process.
`logical_process_name` | Logical name of the process instance that this port/RPC number has been allocated to.
`logical_process_instance` | Unique ID of the process instance that this port/RPC number has been allocated to.

## Primary Key

The following primary key is defined for this table.

Key Name | Column(s)
`pk_port_range` | `port_range_id`, `slot_number`

## Foreign Keys

The following foreign key is defined for this table.

Key Name | Column(s) | Referenced in Table...
`fk_port_range` | `port_range_id` | port_range_conf

## Indexes

None.

## Table Activity

The `port_range` table contains one row per port/RPC number used by the iProcess Engine (if you are using iProcess on a network with a firewall and using port range filtering or RPC filtering).

Rows are added, updated and deleted in the following situations.

A row is... | When...
added | a user defines a new port range configuration, that is, a new record in the port_range_conf table, or modifies the range of an existing port range configuration, using the `SWDIR``\util\swadm` utility.
updated | a process is assigned a slot, or frees up a slot.
deleted | a user deletes a port range configuration, that is, a record in the port_range_conf table, using the `SWDIR``\util\swadm` utility.

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TIBCO iProcess® Engine