Xerox NS-2260 - Manual (Page 127)

5.5.9 Port Sniffer
Sniffer Mode : Select one of sniffer modes, options -
DISABLE : Disable sniffer function
RX : All Rx traffic on monitored ports are copied to Analysis port
TX : All Tx traffic on monitored ports are copied to Analysis port
BOTH : Both Rx and Tx traffic are copied to Analysis port
Sniffer Port : The port can be used to see all monitored port traffic. It can connect to a LAN analyzer or
netxray. Select None when sniffer function is disabled.
Monitored Ports : Select monitored ports
Refer to Chapter 1 for description of Port Sniffer function.