VIAVI TestCenter: VIAVI TestCenter 4.90 - DHCP server uses an incorrect interpretation and hence implementation of option 82 suboption, Server Identifier Override

• When a DHCP Relay Agent (RA) sends a DISCOVER message, with the Option 82 suboption, Server Identifier Override, the Spirent TestCenter (STC) DHCP server responds with an OFFER. • The OFFER correctly uses the IP address in the suboption as the Server Identifier. • The DHCP RA then sends a REQUEST, with the same IP in the Server Identifier Override suboption that was in the DISCOVER, but with a different IP in the Server Identifier option. That is. Server Identifier Override != Server Identifier • The STC DHCP server does not respond with an ACK • See attached pcap, "bootp_only.pcap"

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