Spirent SmartBits System - Standard Ethernet Features

Chapter 9: Ethernet Cards
Standard Ethernet Features
114 SmartBits System Reference
Standard Ethernet Features
The features described in this section apply to Ethernet card operation. Many of these
features are mentioned in the summary tables at the beginning of this chapter.
The following features are described (alphabetical listing):
Feature Page
Address Stutter ..............................115
Address Skipping, Mask-based
.................115
Adjustable Preamble Length
...................115
Alignment, Dribble, Under/oversize Errors
.......115
Alternate Streams
............................115
Background Pattern
..........................115
Capture Buffer Size
..........................117
Captured-Data Status Codes
...................118
Carry ChainingBetween VFD1 and VFD2
.......120
Collisions Detected
..........................120
CRC Errors
.................................120
Data Integrity Check
.........................120
Duplex Mode
...............................120
Filters
.....................................121
Flow Control
...............................121
Frame Rates, Maximum
.......................121
Frame Transmit Modes
.......................122
Frame Sizes, Legal Ethernet
...................122
Interface
...................................122
Interpacket Gap (Tx min/max/Increments)
.......122
IFG Based on Frame Rate
.....................123
IFG Based on Load
..........................123
IP Header Checksum Generation/Validation
......124
Jumbo Frames
..............................124
Latency Resolution
...........................125
Max # Flows per Stream
......................125
Max # Streams per Port
.......................125
MPLS Labeling Insertion
.....................125
Multimodal Frame Length (MMFL)
.............125
Packet Length
...............................126
# Ports per Card
.............................126
SmartMetrics Measurements
...................126
Speed
......................................128
Traffic Rates
................................128
Triggers and Errored Frames
..................128
VLAN Tagging
..............................130
VFD 3 Size
.................................130