Lease User Manual

Warning

This document is still a work-in-progress. Large parts of it may be inaccurate, and it may mention programs, features and configuration options that do not exist in Lease. This warning will be removed when the manual is known to be correct.

Contents

• 1. Programs
  • 1.1. dhcpd --- DHCP server
    • 1.1.1. Synopsis
    • 1.1.2. Description
    • 1.1.3. Operation
    • 1.1.4. Command line
    • 1.1.5. Options
    • 1.1.6. UDP and TCP ports
    • 1.1.7. Configuration
      • 1.1.7.1. Subnets
      • 1.1.7.2. Lease time
      • 1.1.7.3. BOOTP support
      • 1.1.7.4. Options
    • 1.1.8. OMAPI
      • 1.1.8.1. The lease object
      • 1.1.8.2. The host object
      • 1.1.8.3. The group object
      • 1.1.8.4. The control object
      • 1.1.8.5. The failover-state object
    • 1.1.9. Signals
    • 1.1.10. Files
    • 1.1.11. See also
    • 1.1.12. Copyright
  • 1.2. dhclient --- DHCP client
    • 1.2.1. Synopsis
    • 1.2.2. Description
    • 1.2.3. Operation
    • 1.2.4. Command line
    • 1.2.5. Options
      • 1.2.5.1. Options available for DHCPv6 only
      • 1.2.5.2. Modifying default file locations
    • 1.2.6. UDP and TCP ports
    • 1.2.7. Configuration
    • 1.2.8. OMAPI
      • 1.2.8.1. The control object
    • 1.2.9. Environment variables
    • 1.2.10. Files
    • 1.2.11. See also
    • 1.2.12. Copyright
  • 1.3. dhclient-script --- DHCP client network configuration script
    • 1.3.1. Description
    • 1.3.2. Hooks
    • 1.3.3. Operation
      • 1.3.3.1. MEDIUM
      • 1.3.3.2. PREINIT
      • 1.3.3.3. BOUND
      • 1.3.3.4. RENEW
      • 1.3.3.5. REBIND
      • 1.3.3.6. REBOOT
      • 1.3.3.7. EXPIRE
      • 1.3.3.8. FAIL
      • 1.3.3.9. STOP
      • 1.3.3.10. RELEASE
      • 1.3.3.11. NBI
      • 1.3.3.12. TIMEOUT
    • 1.3.4. Bugs
    • 1.3.5. See also
    • 1.3.6. Copyright
  • 1.4. dhcrelay - DHCP relay agent
    • 1.4.1. Synopsis
    • 1.4.2. Description
    • 1.4.3. Operation
    • 1.4.4. Options
      • 1.4.4.1. Protocol selection
      • 1.4.4.2. Specifying DHCPv4/BOOTP servers
      • 1.4.4.3. Options available for both DHCPv4 and DHCPv6
      • 1.4.4.4. Options available for DHCPv4 only
      • 1.4.4.5. Options available for DHCPv6 only
    • 1.4.5. See also
    • 1.4.6. Bugs
    • 1.4.7. Copyright
  • 1.5. omshell --- OMAPI command shell
    • 1.5.1. Synopsis
    • 1.5.2. Description
    • 1.5.3. Local and remote objects
    • 1.5.4. Opening a connection
    • 1.5.5. Creating local objects
    • 1.5.6. Associating local and remote objects
    • 1.5.7. Viewing a remote object
    • 1.5.8. Modifying a remote object
    • 1.5.9. New remote objects
    • 1.5.10. Resetting attributes
    • 1.5.11. Refreshing objects
    • 1.5.12. Deleting objects
    • 1.5.13. Help
    • 1.5.14. See also
    • 1.5.15. Copyright
• 2. Configuration and data
  • 2.1. dhcpd.conf --- DHCP server configuration
    • 2.1.1. Description
    • 2.1.2. Examples
    • 2.1.3. Address pools
    • 2.1.4. Dynamic address allocation
    • 2.1.5. IP address conflict prevention
    • 2.1.6. DHCP failover
      • 2.1.6.1. Failover startup
      • 2.1.6.2. Configuring failover
    • 2.1.7. Client classing
      • 2.1.7.1. Subclasses
      • 2.1.7.2. Per-class limits on dynamic address allocation
      • 2.1.7.3. Spawning classes
      • 2.1.7.4. Combining match, match if, and spawn with
    • 2.1.8. Dynamic DNS updates
    • 2.1.9. The DNS UPDATE scheme
      • 2.1.9.1. Dynamic DNS UPDATE security
    • 2.1.10. Events
    • 2.1.11. Declarations
    • 2.1.12. Allow and deny
      • 2.1.12.1. allow, deny, and ignore in scope
      • 2.1.12.2. allow and deny within pool declarations
    • 2.1.13. Parameters
    • 2.1.14. Setting parameter values using expressions
    • 2.1.15. Reserved leases
    • 2.1.16. References
    • 2.1.17. Files
    • 2.1.18. See also
    • 2.1.19. Copyright
  • 2.2. dhcpd.leases --- DHCP lease database
    • 2.2.1. Description
    • 2.2.2. Format
    • 2.2.3. Common statements for lease declarations
      • 2.2.3.1. Dates
      • 2.2.3.2. General variables
      • 2.2.3.3. DDNS Variables
    • 2.2.4. Executable statements
    • 2.2.5. The DHCPv4 lease declaration
    • 2.2.6. The DHCPv6 lease (IA) declaration
    • 2.2.7. The failover peer state declaration
    • 2.2.8. Files
    • 2.2.9. See also
    • 2.2.10. Copyright
  • 2.3. dhclient.conf --- DHCP client configuration
    • 2.3.1. Description
    • 2.3.2. Protocol timing
    • 2.3.3. DHCPv6 lease selection
    • 2.3.4. Lease requirements and requests
    • 2.3.5. Dynamic DNS updates
    • 2.3.6. Option modifiers
    • 2.3.7. Lease declarations
    • 2.3.8. Alias declarations
    • 2.3.9. Other declarations
    • 2.3.10. Example
    • 2.3.11. Files
    • 2.3.12. See also
    • 2.3.13. Copyright
  • 2.4. dhclient.leases --- DHCP client lease database
    • 2.4.1. Description
    • 2.4.2. Files
    • 2.4.3. See also
    • 2.4.4. Copyright
  • 2.5. dhcp-eval --- DHCP conditional evaluation
    • 2.5.1. Description
    • 2.5.2. Conditional behavior
      • 2.5.2.1. The if statement
      • 2.5.2.2. The switch statement
    • 2.5.3. Boolean expressions
    • 2.5.4. Data expressions
    • 2.5.5. Numeric expressions
    • 2.5.6. Action expression
    • 2.5.7. Dynamic DNS updates
    • 2.5.8. See also
    • 2.5.9. Copyright
  • 2.6. dhcp-options --- DHCP options
    • 2.6.1. Description
    • 2.6.2. Option statements
    • 2.6.3. Setting option values using expressions
    • 2.6.4. Standard DHCPv4 options
    • 2.6.5. Relay agent information option
    • 2.6.6. Client FQDN suboptions
    • 2.6.7. NetWare/IP suboptions
    • 2.6.8. Standard DHCPv6 options
    • 2.6.9. Accessing DHCPv6 relay options
    • 2.6.10. Defining new options
      • 2.6.10.1. Boolean
      • 2.6.10.2. Integer
      • 2.6.10.3. IPv4 address
      • 2.6.10.4. IPv6 address
      • 2.6.10.5. Text
      • 2.6.10.6. Data string
      • 2.6.10.7. Domain list
      • 2.6.10.8. Encapsulation
      • 2.6.10.9. Arrays
      • 2.6.10.10. Records
    • 2.6.11. Vendor encapsulated options
    • 2.6.12. See also
    • 2.6.13. Copyright
• 3. Release notes
  • 3.1. Lease 1.99.6
  • 3.2. Lease version numbering scheme
    • 3.2.1. Stable and development versions
  • 3.3. Lease branches
  • 3.4. History of Lease
• 4. License
• 5. Data and privacy