3/11/2024 0 Comments Dhcp client identifier![]() Configuring the DHCP Server For ConnectX Family Devices In the DHCP server, the GUID in the client identifier can still be used to identify clients. "chaddr" will be the ethernet mac address rather than zeros. In the DHCP discover packets, Flexboot sends "hlen" 6 rather than 0. This client identifier field can be used to associate an IP address with a client identifier value, such that the DHCP server will grant the same IP address to any client that conveys this client identifier. To overcome this problem, DHCP over InfiniBand messages convey a client identifier field (in DHCP option 61) used to identify the DHCP session. Standard DHCP fields holding MAC addresses are not large enough to contain an IPoIB hardware address. To download and install other supported DHCP server versions, please download MLNX_OFED driver from → InfiniBand/VPI Drivers → Linux SW/Drivers and refer to docs/dhcp/README. ![]() If using DHCP v3.1.3, the provided patch must be deployed. PreBoot drivers require that the DHCP server runs on a machine which supports IP over IB. Prior to installing DHCP, make sure that Mellanox OFED for Linux is already installed on your DHCP server – see ISC DHCP of versions above 3.1.3 have native support for IPoIB clients.
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