NIC high availability was set up in the SLES operating system on the PowerFlex nodes by creating a bond across the respective ports on each network adapter. A routable VLAN interface was created on Bond 0 for PowerFlex management, and a non-routable interface was also created on Bond 0 for the PowerFlex traffic on the SDS-1 VLAN. Bond 1 was configured to carry storage traffic exclusively over the SDS-2 non-routable VLAN. The following figure shows this configuration:
![Shows the PowerFlex node host networking setup for the validation.](https://cdn-prod.scdn6.secure.raxcdn.com/static/media/9198938f-8c47-5a0e-82d9-6db6a62cd3f7/DAM-bcb39335-b73a-44a5-b5d9-20585dd0ca33/out/acp__g_powerflex_node_host_netconfig=GUID-F46C6072-D65C-4D97-BE81-7F68754A1355=1=en-us=Low.png)
The following table shows how the NICs for each PowerFlex node were cabled to the corresponding ToR Switches to ensure high availability.
NIC/Port | Tor Switch |
Bond 0 - NIC 3 Port 1 | ToR A |
Bond 0 - NIC 6 Port 1 | ToR B |
Bond 1 - NIC 3 Port 2 | ToR B |
Bond 1 - NIC 6 Port 2 | ToR A |