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Intel
®
NetStructure™ 480T Routing Switch User Guide
• Configure the addresses, where you want to direct DHCP or
BOOTP requests, using this command:
configure bootprelay add <ipaddress>
To delete an entry, use this command:
configure bootprelay delete {<ipaddress> | all}
Verifying the DHCP/BOOTP Relay
Configuration
To verify the DHCP/BOOTP relay configuration, use this
command:
show ipconfig
This command displays the configuration of the BOOTP relay
service, and the addresses that are currently configured.
UDP Forwarding
UDP forwarding is a flexible and generalized routing utility for
handling the directed forwarding of broadcast UDP packets. UDP
forwarding allows applications, such as multiple DHCP relay
services from differing sets of VLANs, to be directed to different
DHCP servers. These rules apply to UDP broadcast packets handled
by this feature:
• If the UDP profile includes BOOTP or DHCP, it is handled
according to guidelines in RFC 1542.
• If the UDP profile includes other traffic types, these packets have
the IP destination address modified as configured, and changes
are made to the IP and UDP checksums and decrements to the
TTL field, as appropriate.
If the UDP forwarding is used for BOOTP or DHCP forwarding
purposes, do not configure or use the existing
bootprelay
function. However, if the previous
bootprelay functions are
applicable, you may continue to use them.