Users Guide

Usage
Information
This command displays the Global level status of Option-82 as well as the Interface level Option-82
status.
The show ip dhcp-relay interface command displays the relay information corresponding to
the requested interface enabled with the helper address. If you enable the Option-82 configuration,
the Option-82 status appears as Enabled(Default). If you disable the Option-82 configuration, the
Option-82 status appears as Disabled.
The command displays the following:
● Per-interface giaddr field value.
● Per-interface sub-option 5 field value.
● Per-interface sub-option 151 field value.
● Per-interface sub-option 11 field value.
● Configured list of the DHCP server IP addresses with the reachable VRF name.
show ip dhcp relay interface interface – This command displays the relay information for
the requested interface enabled with the helper address.
show ip dhcp relay vrf vrf-name – This command displays the relay information for all the
interfaces enabled with the helper address and associated with the vrf_name.
● If the Giaddr = 0, it displays an additional message in the GiAddr field None - Relay cannot
work without gateway IP address
● If the link selection field does not have an interface or anycast gateway IP, the link-selection field
shows the value None
● If the server_override option is enabled, the server-override field displays Enabled(<anycast
gateway IP >)
● If the server_override option is enabled, and anycast gateway IP is not present , the server-
override field displays Enabled(None)
● If the server_override option is disabled at the Globally or Interface level, the server-override
field displays Disabled
● If the VSS option is disabled, the VSS field displays Disabled
● If the VSS option is enabled Globally without any interface vss-info, the VSS field displays
Enabled(None)
● If the VSS option is enabled Globally with interface vss-info, the VSS field displays
Enabled(type <0/1/> value <value>)
This command is accessible to users of all the roles.
Example
(Interface)
OS10# show ip dhcp-relay interface vlan 3033
Interface : Vlan3033
Gateway Address : 3.0.17.1
Option 82 Status : Enabled (Default)
Link Selection [option-5] : Enabled (192.168.33.1)
VSS Info [option-151] : Enabled (type 0 Red)
Server ID override [option-11] : Enabled (192.168.33.254)
DHCP Helper Address List :
Helper-Address VRF
--------------------------
192.172.2.3 Red
Supported
Releases
10.5.2.0 or later
310 System management