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Article ID: 000058452
Date de dernière modification: 12/10/2021
Access Level: Public

CCX 500 and CCX 600 Phones Not Acquiring the Correct Subnet Mask via DHCP

CCX 500 and CCX 600 Phones Not Acquiring the Correct Subnet Mask via DHCP
 
The DHCP server was not configured correctly to offer option 43 to return vendor specific information. This was causing the CCX phones to pick up an incorrect subnet mask when joining the network. Advised customer to work with Microsoft to configure DHCP correctly.