When the hash-label option is enabled in a service context, the hash label is always inserted at the bottom of the stack.
On the 7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C, hash label is supported only with specific services. See the 7210 SAS-D, Dxp, K 2F1C2T, K 2F6C4T, K 3SFP+ 8C Services Guide for more information about services supported with hash label.