Spirent SmartBits System - Feature Summary of 10;100 Mbps Cards

Chapter 9: Ethernet Cards
Feature Summary of 10/100 Mbps Cards
86 SmartBits System Reference
Feature Summary of 10/100 Mbps Cards
Table 9-3. 10/100 Mbps Ethernet Cards – Feature Set for ST and SX Cards
Feature ST-6410 SX-7210 SX-7410
Interface RJ-48 MII RJ-45
Speed 10 Mbit 10/100 Mbps 10/100 Mbps
Duplex Mode Full/Half Full/Half Full/Half
SmartMetrics
1
No (Traditional)
Latency resolution 100 ns 100 ns 100 ns
Max # streams per port 1 1 1
Alternate Streams No 1 1
Max # flows per stream n/a n/a n/a
VFD1/2 (to 6 bytes) Yes Yes Yes
VFD 3 Buffer 2K 2K 2K
Capture Buffer Size n/a 86 to 2048 pkts 86 to 2048 pkts
PacketLength 1to8KB 1to8KB 1to8KB
IP Header Checksum/
Data Integrity verify
No No No
CRC Errors Yes Yes Yes
Alignment, Dribble, Under/oversize Errors Yes Yes Yes
Adjustable Preamble Length No Yes Yes
MinTxInterpacketGap
Max Tx Interpacket Gap
Increments
100 ns
26 sec
100 ns
10 Mbps
100 Mbps
400 ns 40 ns
26.8 sec 2.68 sec
400 ns 40 ns
10 Mbps
100 Mbps
4.8 µs40ns
26.8 sec 2.68 sec
400 ns 40 ns
VLAN Tagging No Yes Yes
Collisions Detected
2
Yes Yes Yes
Flow Control No Yes Yes
Traffic Rates > wire speed > wire speed > wire speed
#PortsperCard 1 1 1
1 Allows SmartMetrics tracking and histograms.
2 Only works in half duplex mode; not applicable to full duplex.