Reference Guide

508 | Dynamic Host Configuration Protocol (DHCP)
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Related
Commands
ip dhcp relay information-agent remote-id
z
Manually re-set the remote-id for Option 82.
Syntax
ip dhcp relay information-agent remote-id [hostname | remote-id]
Parameters
Command Modes
CONFIGURATION
Default
Chassis MAC address
Command History
Usage Information
Option 82 is comprised of two sub-options, circuit id and remote id. Remote id uses the MAC address
of the relay agent which adds Option 82 to identify the host sending the message. Use the ip dhcp
relay information-agent remote-id command to change the default remote-id value.
Related
Commands
ip dhcp snooping verify mac-address
c e s z
Validate a DHCP packet’s source hardware address against the client hardware address field
(CHADDR) in the payload.
Syntax
[no] ip dhcp snooping verify mac-address
Command Modes
CONFIGURATION
Default
Disabled
Command History
show ip dhcp snooping
c e s z
Display the contents of the DHCP binding table or display the interfaces configured with IP Source
Guard.
Syntax
show ip dhcp snooping [binding | source-address-validation]
ip dhcp relay
information-agent remote-id
Manually re-set the remote-id for Option 82.
hostname
Set the hostname as the remote-id in Option 82.
remote-id
Enter the name of the remote-id, maximum 64 characters.
Version 9.0.0.0 Introduced on the Z9000.
ip dhcp relay
information-option
Enable Option 82
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.1.0 Introduced on E-Series.
Version 8.2.1.0 Introduced on C-Series and S-Series