Finisar Surveyor 用户手册

A-5

Surveyor in NDIS mode uses an NDIS driver and interfaces to a variety of network 

adapters. All basic capture, transmit, and monitor functions are the same in NDIS 

mode. However, it is not recommended that an NDIS module be used to transmit 

packets; the transmit rate is likely to fall below the specified transmission rate and 

transmission of error packets is not supported.
The unique capabilities in the software interface due to using an NDIS driver are 

described below: 

Since the NDIS interface filters out frames with errors, only “good” Ethernet frames 

are captured. In addition, Surveyor in NDIS mode captures both frames received by 

the Ethernet adapter as well as frames transmitted by the Ethernet adapter.

Capture/transmit rates depend on the network adapter and the CPU. Typically, the 

rate will fall below the full line-rate of the network.

The error counters supported through the NDIS interface are those counters sup-

ported by the network adapter. Some vendors do not support any error counters. 

Only supported error counters are incremented and shown within data views.

Counters not supported by the NDIS module will display with an “N/A” next to the 

counter.

Transmission of error packets is not supported. 
The minimum and maximum values for the 

 field are 64 and 1518 bytes. 

The radio button for setting the packet gap in microseconds is grayed. Packet gaps 

in microseconds are not supported.
Entering a zero in the 

 field forces the shortest gap possible.