DHCP Server Help

Help for DHCP Server Global Configuration

Configurable Data

• Admin Mode - Specifies if the DHCP Service is to be Enabled or Disabled. Default value is Disable.
• Ping Packet Count - Specifies the number of packets a server sends to a Pool address to check for duplication as part of a ping operation. Default value is 2. Valid Range is (0, 2 to 10). Setting the value to 0 will disable the function.
• Conflict Logging Mode - Specifies if conflict logging on a DHCP Server is to be Enabled or Disabled. Default value is Enable.
• Bootp Automatic Mode - Specifies if Bootp for dynamic pools is to be Enabled or Disabled. Default value is Disable.
• Add Excluded Addresses - Specifies the IP addresses that the server should not assign to the client.
  • From - Specifies the low address in case the user wants to exclude a range of addresses. Specifies the address to be Excluded in case the user wants to exclude a single address.
  • To - Specifies the high address in case the user wants to exclude a range of addresses. To exclude a single addres you may enter the same IP address as specified in From or leave as 0.0.0.0.
• Delete Excluded Addresses - Lists the Excluded Address ranges with a checkbox against each. One or more checkbox(es) can be selected (checked) in order to delete the listed Excluded Addresses.

Command Buttons

• Submit - Sends the updated configuration to the switch. Configuration changes take effect immediately.

Help for DHCP Server Pool Configuration

Configurable Data

• Pool Name* - For a user with readwrite permission, this field would show names of all the existing pools along with an additional option "Create". When the user selects "Create" another text box "Pool Name" appears where the user may enter name for the Pool to be created.For a user with readonly permission, this field would show names of the existing pools only.
• Pool Name - This field appears when the user with read-write permission has selected "Create" in the Drop Down list against Pool Name*.Specifies the Name of the Pool to be created. Pool Name can be upto 31 characters in length.
• Type of Binding - Specifies the type of binding for the pool.
  • Unallocated
  • Dynamic
  • Manual
• Network Number - Specifies the subnet number for a DHCP address of a dynamic pool.
• Network Mask - Specifies the subnet number for a DHCP address of a dynamic pool. Either Network Mask or Prefix Length can be configured to specify the subnet mask but not both.
• Prefix Length - Specifies the subnet number for a DHCP address of a dynamic pool. Either Network Mask or Prefix Length can be configured to specify the subnet mask but not both. Valid Range is (0 to 32)
• Client Name - Specifies the Client Name for DHCP manual Pool.
• Hardware Address - Specifies the MAC address of the hardware platform of the DHCP client.
• Hardware Address Type - Specifies the protocol of the hardware platform of the DHCP client. Valid types are ethernet and ieee802. Default value is ethernet.
• Client ID - Specifies the Client Identifier for DHCP manual Pool.
• Host Number - Specifies the IP address for a manual binding to a DHCP client. Host can be set only if at least one among of Client Identifier or Hardware Address is specified. Deleting Host would delete Client Name, Client ID, Hardware Address for the Manual Pool and set the Pool Type to Unallocated.
• Host Mask - Specifies the subnet mask for a manual binding to a DHCP client. Either Host Mask or Prefix Length can be configured to specify the subnet mask but not both.
• Prefix Length - Specifies the subnet mask for a manual binding to a DHCP client. Either Host Mask or Prefix Length can be configured to specify the subnet mask but not both. Valid Range is (0 to 32)
• Lease Time - Can be selected as "Infinite" to specify lease time as Infinite or "Specified Duration" to enter a specific lease period. In case of dynamic binding infinite implies a lease period of 60 days and In case of manual binding infinite implies indefinite lease period. Default Value is "Specified Duration".
• Days - Specifies the Number of Days of Lease Period. This field appears only if the user has specified "Specified Duration" as the Lease time. Default Value is 1. Valid Range is (0 to 59)
• Hours - Specifies the Number of Hours of Lease Period. This field appears only if the user has specified "Specified Duration" as the Lease time. Valid Range is (0 to 1439)
• Minutes - Specifies the Number of Minutes of Lease Period. This field appears only if the user has specified "Specified Duration" as the Lease time. Valid Range is (0 to 86399)
• Default Router Addresses - Specifies the list of Default Router Addresses for the pool. The user may specify upto 8 Default Router Addresses in order of preference.
• DNS Server Addresses - Specifies the list of DNS Server Addresses for the pool. The user may specify upto 8 DNS Server Addresses in order of preference.
• NetBIOS Name Server Addresses - Specifies the list of NetBIOS Name Server Addresses for the pool. The user may specify upto 8 NetBIOS Name Server Addresses in order of preference.
• NetBIOS Node Type - Specifies the NetBIOS node type for DHCP clients.
  • b-node Broadcast
  • p-node Peer-to-Peer
  • m-node Mixed
  • h-node Hybrid
• Next Server Address - Specifies the Next Server Address for the pool.
• Domain Name - Specifies the domain name for a DHCP client. Domain Name can be upto 255 characters in length.
• Boot File - Specifies the name of the default boot image for a DHCP client. File Name can be upto 128 characters in length.
• Option Code - Specifies the DHCP option code. Valid Range is (1 to 254)
• Option Ascii - Specifies an NVT ASCII character string.
• Option Hex - Specifies dotted hexadecimal data. Each byte in hexadecimal character strings is 2 hexadecimal digits. Each byte can be separated by a colon or white space. A period separates 2 bytes/4 hexadecimal digits.
• Option IP Address - Specifies the Option IP addresses.

Command Buttons

• Submit - Creates/Modifies the Pool Configuration. Sends the updated configuration to the switch. Configuration changes take effect immediately.
• Delete - Deletes the Pool. This field is not visible to a user with readonly permission.

Help for DHCP Server Pool Options

Selection Criteria

• Pool Name - Shows all the existing Pool Names.

Non-Configurable Data

• Option Code - Specifies the Option Code configured for the selected Pool.
• Option Type - Specifies the Option Type against the Option Code configured for the selected pool.
  • Ascii
  • Hex
  • IP Address
• Option Value - Specifies the Value against the Option Code configured for the selected pool.

Configurable Data

• Delete Option Code - Specifies the Option Code to be deleted for the selected Pool. This field is not visible to a user with readonly permission.

Command Buttons

• Delete - Deletes the Option Code for the selected Pool. This field is not visible to a user with readonly permission.

Help for DHCP Server Reset Configuration

Selection Criteria

• Clear - Specifies whether All Dynamic Bindings/Specific Dynamic Binding/All Address Conflicts/Specific Address Conflict is to be deleted.
• Clear IP Address - IP Address against the Binding/Address Conflict to be cleared.This field appears only if the user has selected "Specific Dynamic Binding/Specific Address Conflict" in Clear.

Command Buttons

• Clear - Clears/Removes the Dynamic Binding/Address Conflict.

Help for DHCP Server Bindings Information.

Selection Criteria

• DHCP Binding - Specifies whether information is to be displayed for All/Specific Binding.
• Binding IP Address - IP Address against the Binding for which information is to be displayed. This field appears only if the user has selected "Specific Binding" in DHCP Binding.

Non-Configurable Data

• IP Address - Specifies the Client's IP Address.
• Hardware Address - Specifies the Client's Hardware Address.
• Lease Time - Specifies the Lease time left in Days, Hours and Minutes dd:hh:mm format.
• Type - Specifies the Type of Binding: Dynamic / Manual.

Command Buttons

• Submit - Displays information for chosen Bindings.

Help for DHCP Server Statistics

Non-Configurable Data

• Automatic Bindings - Specifies the number of Automatic Bindings on the DHCP Server.
• Manual Bindings - Specifies the number of Manual Bindings on the DHCP Server.
• Expired Bindings - Specifies the number of Expired Bindings on the DHCP Server.
• Malformed Messages - Specifies the number of the malformed messages.
• DHCPDISCOVER - Specifies the number of DHCPDISCOVER messages received by the DHCP Server.
• DHCPREQUEST - Specifies the number of DHCPREQUEST messages received by the DHCP Server.
• DHCPDECLINE - Specifies the number of DHCPDECLINE messages received by the DHCP Server.
• DHCPRELEASE - Specifies the number of DHCPRELEASE messages received by the DHCP Server.
• DHCPINFORM - Specifies the number of DHCPINFORM messages received by the DHCP Server.
• DHCPOFFER - Specifies the number of DHCPOFFER messages sent by the DHCP Server.
• DHCPACK - Specifies the number of DHCPACK messages sent by the DHCP Server.
• DHCPNAK - Specifies the number of DHCPNAK messages sent by the DHCP Server.

Command Buttons

• Refresh - Refresh the data on the screen to the latest state.
• Clear Server Statistics - Reset DHCP Server Statistics.

Help for DHCP Server Conflicts Information

Selection Criteria

• DHCP Conflict - Specifies whether information is to be displayed for a Specific Address Conflict or for All Address Conflicts.
• Conflict IP Address - IP Address of the conflict to be shown. This field appears only if the user has selected "Specific Address Conflict" in DHCP Conflict.

Non-Configurable Data

• IP Address - Specifies the IP Address of the host as recorded on the DHCP server.
• Detection Method - Specifies the manner in which the IP address of the hosts were found on the DHCP Server.
• Detection Time - Specifies the time when the conflict was detected in N days NNh:NNm:NNs format with respect to the system up time.

Command Buttons

• Submit - Displays information about the chosen conflict(s).