Pool

This dialog allows you to closely control the allocation of IP addresses. You can activate or deactivate the DHCP server for each port or for each VLAN. For this purpose, the DHCP server provides what is known as an IP address pool (in short “pool”) from which it allocates IP addresses to clients. The pool consists of a list of entries. An entry can define a specific IP address or a connected IP address range.
You can choose between dynamic and static allocation.

The table shows you the configured entries of the DHCP server pool. You have the option to create a new entry, edit an existing entry or delete entries.

You have the option to create up to 128 pool entries.

Click “Create” to create a new entry. Fill in the fields you require, then click “Set”.

Tab. DHCP server pool settings, IP address basic settings

Parameter

Meaning

Value range

Default setting

Index

Shows a sequential number to which the table entry relates. The device automatically defines this number.

0, 1, 2, ...

Active

Activates or deactivates the pool entry.

On, Off

Off

IP Address

  • For a dynamic address entry: the 1st address of the IP address pool that the DHCP server allocates to a client.

  • For a static address entry: the IP address that the server each time allocates to the same client.

Valid IPv4 address

-

Last IP Address

For a dynamic address entry: the last address of the IP address pool that the DHCP server allocates to a client.

Valid IPv4 address

-

Port

Module and port numbers to which this entry applies.

  • For a dynamic address entry select all.

  • For a static address entry select all or one valid module and port number.

Valid module and port number or all.

all

VLAN

VLAN number to which this entry applies.

Note: This column is available on the MS, Octopus, RS, RSR, MACH102, and MACH1020/10130 devices.

Valid VLAN No.

-

MAC Address

For a static address entry:

MAC address with which the client identifies itself.

MAC address of the client that contains the static IP address

-

DHCP Relay

IP address of the DHCP relay via which the client makes its request.
If the DHCP server receives a request via another DHCP relay, it ignores this.
If there is no DHCP relay between the client and the DHCP server, leave these fields empty.

IPv4 address of the DHCP relay.

-

Client ID

For a static address entry:

Client ID with which the client identifies itself.

Client ID of the client that contains the static IP addressa

-

Remote ID

For a static address entry:

Remote ID with which the client identifies itself.

Remote ID of the client that contains the static IP addressa

-

Circuit ID

For a static address entry:

Circuit ID with which the client identifies itself.

Circuit ID of the client that contains the static IP addressa

-

Hirschmann Device

Activate this setting if the device from this entry only serves devices from Hirschmann.

On

Off

Off

Configuration URL

TFTP URL, from which the client can obtain additional configuration information. Enter the URL in the form tftp://server name or ip address/directory/file.

Valid TFTP URL

-

Lease time [s]

Time in s for which the DHCP server allocates the address to the client. Within the lease time, the client can apply for an extension.
If the client does not apply for an extension, after it has elapsed the DHCP server takes the IP address back into the pool and allocates it to any client that requires it.

1 s - 4294967295 s (232-1 s)

86400 s (1 day)

Default gateway

Default gateway entry for the client.

Valid IPv4 address

-

Netmask

Netmask entry for the client.

Valid IPv4 netmask

-

WINS Server

WINS (Windows Internet Name Service) entry for the client.

Valid IPv4 address

-

DNS Server

DNS server entry for the client.

Valid IPv4 address

-

Host name

Host name for the client. If this name is entered, it overwrites the system name of the client (refer System Data).

Max. 64 ASCII characters in the range 0x21 (!) - 0x7e (~).

- (no host name)

Vendor specific

Defines vendor-specific information entered as a hex string in a TLV (Type Length Value) format.

Note: For example: Vendor Specific Information,"f1 08 0a 7e 7e 02 0a 7f 7f 02". Represents a specific type of vendor f1, with a field length of 08. The next 8 octets contain the actual vendor data. If present, the device treats the next 2 octets as type and length fields. Therefore, enter a valid hex string containing the correct length values.

Valid hex string.

-


a A client, remote or circuit ID consists of 1 - 255 bytes in hexadecimal form (00 - ff), separated by spaces.

Buttons

Tab. Buttons (Forts.)

Button

Meaning

“Set”

Transfers the changes to the volatile memory (RAM) of the device. To permanently save the changes, open the Basic Settings:Load/Save dialog, select the location to save the configuration, and click “Save”.

“Reload”

Updates the fields with the values that are saved in the volatile memory (RAM) of the device.

“Create”

Adds a new table entry.

“Remove”

Removes the selected table entry.

“Help”

Opens the online help.