Hash Key Type 2: Last MPLS Label

Napatech Link-Capture™ Software Features
Platform
Napatech SmartNIC
Content Type
Feature Description
Capture Software Version
Link™ Capture Software 12.16

Hash key data

Hash key data word 0 for hash key type 2 is the contents of the 20-bit label field of the last MPLS label stack in the frame.

Hash key data words 1 to 9 are all zeros for hash key type 2.

Illustration

The following figure illustrates hash key type 2.

Figure 1. Hash key based on last MPLS label value Hash key based on last MPLS label value 20 - bit label MPLS label stack Hash key data word 0 TTL CoS & S 12 - bit all zero 20 - bit label

Validity

Hash key type 2 is valid for frames containing at least one MPLS label stack.