Dell C9000 series, Reference Manual

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Command Modes EXEC Privilege
Command History This guide is platform-specific. For command information about other platforms, refer
to the relevant Dell Networking OS Command Line Reference Guide .
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Introduced on the E-Series.
8.2.1.0 Introduced on the C-Series and S-Series.
Related
Commands show ip dhcp snooping — displays the contents of the DHCP binding table.
ip dhcp relay information-option
Enable Option 82.
C9000 Series
Syntax
ip dhcp relay information-option [trust-downstream] [vpn]
Parameters
trust-downstream Configure the system to trust Option 82 when it is received from
the previous-hop router.
vpn Enter the keyword
vpn
to add VPN/VRF related sub-option to
relay agent information Option 82.
NOTE: Adds the VPN/VRF related sub-options into the
relay agent information option( 82). When DHCP
broadcasts are forwarded by the relay agent from clients
to DHCP server.
Default Disabled.
Command Modes CONFIGURATION
Command History This guide is platform-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide .
Dynamic Host Configuration Protocol (DHCP) 827