Hub/Switch Reference Guide
544 RF Detection Commands
NN47250-100 (Version 02.51)
Defaults
None.
Access
Enabled.
History
Introduced in WSS Software Version 5.0.
Name of the command changed from test rflink to rfping in WSS Software Version 6.0.
Usage
Use this command to send test packets to a specified client. The output of the command
indicates the number of test packets received and acknowledged by the client, as well as the client’s
signal strength and signal-to-noise ratio.
Examples
The following command tests the RF link between the WSS and the client with MAC
address 00:0e:9b:bf:ad:13:
WSS# rfping mac 00:0e:9b:bf:ad:13
RF-Link Test to 00:0e:9b:bf:ad:13 :
Session-Id: 2
Packets Sent Packets Rcvd RSSI SNR RTT (micro-secs)
--------------- --------------- ------- ------ --------------------
20 20 -68 26 976
Table 84 describes the fields in this display.
See Also
• show rfdetect data on page 524
• show rfdetect visible on page 531
Table 8: rfping Output
Field Description
Packets Sent The number of test packets sent from the WSS to the client.
Packets Rcvd The number of test packets acknowledged by the client.
RSSI Received signal strength indication (RSSI)—the strength of the RF signal from
the client, in decibels referred to 1 milliwatt (dBm).
SNR Signal-to-noise ratio (SNR), in decibels (dB), of the data received from the
client.
RTT (micro-secs) The round-trip time, in microseconds, for the client response to the test packets.