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Overriding Option 82 Information
You can configure the DHCP relay agent to add or remove the DHCP relay agent information option (option 82) in DHCP packets.
This feature causes the DHCP relay agent to perform one of the following actions, depending on the configuration:
- If the DHCP relay agent is configured to add option 82 information to DHCP packets, it clears the existing option 82 values from the DHCP packets and inserts the new values before forwarding the packets to the DHCP server.
- If the DHCP relay agent is not configured to add option 82 information to DHCP packets, it clears the existing option 82 values from the packets, but does not add any new values before forwarding the packets to the DHCP server.
To override the default option 82 information in DHCP packets destined for a DHCP server:
- Specify that you want to configure override options.[edit forwarding-options dhcp-relay]user@host# edit overrides
- Specify that the option 82 information in DHCP packets
is overwritten.[edit forwarding-options dhcp-relay overrides]user@host# set always-write-option-82
