8f251134e8
InfiniBand is computer-networking communications standard used in high-performance computing, features very high throughput and very low latency. Where ethernet uses MAC as unique identifier assigned to network interfaces, InfiniBand uses GUID. The difference is that MAC is 6 bytes and GID is 8 bytes. Moreover to be able to PXE boot on InfiniBand network we should use DHCP over InfiniBand https://tools.ietf.org/html/rfc4390. The major changes to allow it is to generate client-id per GID and add it as DHCP option to the neutron port. This patch update the neutron port with CLient-ID DHCP option when ironic port.extra has client-id paramater. Closes-Bug: #1532534 Change-Id: Ifad453977e5d3be64b34e544f269835a72b4d73f |
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