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Route based on IP hash is not supported with Cisco UCS B200 M1/M2 blade servers that use UCS 6100 Series Fabric Interconnects

Details

When enabled, the NIC teaming policy Route based on IP hash involves a team of at least two NICs that selects an uplink based on a hash of the source and destination IP addresses of each packet. Host network performance might degrade if Route based on IP hash is enabled on ESX or ESXi because cross-stack link aggregation, or grouping of multiple physical ports, on UCS 6100 Series Fabric Interconnects deployed as a redundant pair is not supported. As a result of the network performance degradation, you may see intermittent packet loss and the vSphere Client or vCenter Server might lose connection to the ESX or ESXi host.

Solution

To resolve this issue, do not use the NIC teaming policy Route based on IP hash with Cisco UCS B200 M1/2 blade servers running ESX or ESXi.

Keywords

Cisco UCS B200 M1 blade server, Route based on IP hash

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