Spirent SmartBits System - Page 95

Chapter 9: Ethernet Cards
Feature Summary of 10/100 Mbps Cards
SmartBits System Reference 87
Table 9-4. 10/100 Mbps Ethernet Cards – Feature Set for SmartMetrics Cards
Feature L3-6710 ML-5710A
ML-7710
ML-7711
LAN-3100A
LAN-3150A
LAN-3101A
Interface RJ-45 RJ-45 or USB RJ-45 (7710)
Fiber (7711)
RJ-45 (3100A)
RMII/SMII (3150A)
RJ-45
Speed 10Mbps 10Mbps(Eth)
12 Mbps (USB)
10/100 Mbps (7710)
100 Mbps only(7711)
10/100 Mbps 10/100 Mbps
Duplex Mode Half only Full/Half Full/Half (7710)
Full only (7711)
Full/Half Full/Half
SmartMetrics
1
1 Allows SmartMetrics tracking and histograms.
Yes Yes Yes No Ye s
Latency resolution +
100 ns + 100 ns + 100 ns + 100 ns + 100 ns
Max # streams per port 640 1000 1000 1 1000
Alternate Streams No 1 1 1 1
Max # Flows per stream n/a n/a 64K Billions 64K
VFD1/2 (to 6 bytes) Yes Yes Yes Yes Yes
VF D 3 B uffe r Yes Yes Yes 2 K
Capture Buffer Size 40 pkts 475 pkts 475 pkts 196K pkts 6500 pkts
Packet Length 1 to 2 KB 24 to 1600 bytes 24 to 1600 bytes 32 to 16 KB 25 to 1600 bytes
IP Header checksum
Ve ri fy
Generate
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Data Integrity verify No No No Yes Yes
CRC Err ors Yes Yes Yes Yes Yes
Alignment, Dribble,
Under/oversize errors
Yes Yes
(Ethernet only)
Yes Yes Dribble + Align
Adjust Preamble Length No No No Yes No
MinTxIFG
MaxTxIFG
Increments
100 ns
1.6 sec
100 ns
10 Mbps
100 Mbps
9.6 µsec 960 ns
26.8 sec 2.68 sec
400 ns 40 ns
10 Mbps
100 Mbps
9.6 µsec 960 ns
16 sec 1.6 sec
400 ns 40 ns
10 Mbps 100 Mbps
9.6 µsec 960 ns
26.8 sec 2.68 sec
400 ns 40 ns
10 Mbps
100 Mbps
9.6 µsec 960 ns
26.8 sec 2.68 sec
400 ns 40 ns
VLAN Tagging No Yes Yes Yes Yes
Collisions Detected
2
2 Only works in half duplex; not applicable to full duplex
No Yes Yes Yes Yes
Flow Control No Yes Yes Yes Yes
Traffic Rates > wire speed > wire speed > wire speed > wire speed > wire speed
# Ports per Card 1 1 USB/Ethernet 1 16 (6100)
8 (3100)
2 (3150)
12 (6101)
6 (3101)