ISL Classification

Feature Set N-ANL9

Napatech SmartNIC
Content Type
Feature Description
Capture Software Version

ISL frames

The frame decoder recognizes an ISL-encapsulated frame if the frame being analyzed has a destination MAC address equal to 01:00:0C:00:00:0X or 03:00:0C:00:00:0X.

ISL length

The length of the ISL field is 26 bytes before the encapsulated Ethernet frame and 4 bytes of ISL CRC after the Ethernet frame.