IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Releases
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IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Releases
Updated: August 12, 2026
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Log inThis topic describes how to configure the DHCP relay agent's processing policy for BOOTREQUEST packets that already contain a nonzero giaddr attribute on the Cisco 8000 Series Router.
Use the giaddr policy replace command to replace the existing giaddr value with a value that the relay agent generates. Use the giaddr policy drop command to drop the packet that has an existing nonzero giaddr value.
Enter the DHCP IPv4 configuration submode.
Router# configure
Router(config)# dhcp ipv4Enter the relay profile submode.
Router(config-dhcpv4)# profile client relayConfigure the giaddr policy and commit the configuration.
Router(config-dhcpv4-relay-profile)# giaddr policy drop
Router(config-dhcpv4-relay-profile)# commitNeed help?
(Requires a Cisco Service Contract)
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