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Overwriting giaddr Information
You can configure the DHCP relay agent to change the gateway IP address (giaddr) field in packets that it forwards between a DHCP client and a DHCP server.
To overwrite the giaddr of every DHCP packet with the giaddr of the DHCP relay agent before forwarding the packet to the DHCP server:
- Specify that you want to configure override options.[edit forwarding-options dhcp-relay]user@host# edit overrides
- Specify that the giaddr of DHCP packets is overwritten.[edit forwarding-options dhcp-relay overrides]user@host# set always-write-giaddr
