Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 763
Port Monitoring, Important Points to Remember
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41 Port Monitoring c e s Port Monitoring is supported on platforms: Port Monitoring is supported on the E-Series ExaScale platform with FTOS 8.1.1.0 and later. Port Monitoring is a feature that copies all incoming or outgoing packets on one port and forwards (mirrors) them to another port. The source port is the monitored port (MD) and the destination port is the monitoring port (MG). Port Monitoring functionality is different between platforms, but the behavior is the same, with highlighted exceptions. This chapter is divided into the following sections: • Important Points to Remember • Port Monitoring on E-Series • Port Monitoring on C-Series and S-Series • Configuring Port Monitoring • Flow-based Monitoring • Remote Port Mirroring Important Points to Remember • Port Monitoring is supported on physical ports only; VLAN and port-channel interfaces do not support port monitoring. • A SONET port may only be a monitored port. • The Monitored (source, "MD") and Monitoring ports (destination, "MG") must be on the same switch. • In general, a monitoring port should have no ip address and no shutdown as the only configuration; FTOS permits a limited set of commands for monitoring ports; display them using the command ?. A monitoring port also may not be a member of a VLAN. • There may only be one destination port in a monitoring session. • A source port (MD) can only be monitored by one destination port (MG). The following error is displayed if you try to assign a monitored port to more than one monitoring port. FTOS(conf)#mon ses 1 FTOS(conf-mon-sess-1)#$gig 0/0 destination gig 0/60 direction both FTOS(conf-mon-sess-1)#do show mon ses SessionID Source Destination Direction Mode --------- ------ ----------- --------- ---- 1 Gi 0/0 Gi 0/60 both interface FTOS(conf-mon-sess-1)#mon ses 2 FTOS(conf-mon-sess-2)#source gig 0/0 destination gig 0/61 direction both % Error: MD port is already being monitored. Type ---Port-based Port Monitoring | 763
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