Netgear M4300-28G CLI Manual Software Version 12.x - Page 521
Port Mirroring Commands
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M4300 Intelligent Edge Series Fully Managed Stackable Switches Port Mirroring Commands Port mirroring, which is also known as port monitoring, selects network traffic that you can analyze with a network analyzer, such as a SwitchProbe device or other Remote Monitoring (RMON) probe. monitor session source This command adds a source interface for a port mirroring session that is identified by the session-id argument (an integer value). Use the source interface {unit/slot/port | cpu | lag lag-group-id} parameters to specify the interface to monitor. You can also configure a VLAN as the source for the session (all member ports of that VLAN are monitored). Note: If an interface is a member of both a VLAN and a LAG, you cannot assign the VLAN as a source VLAN for a monitor session. However, if an interface is a member of a VLAN and you assign the VLAN as a source VLAN for a monitor session, afterwards you can add the interface as a member to a LAG. You can configure remote port mirroring by specifying the remote vlan keywords and an RSPAN VLAN ID. At the source switch, you must specify the destination as the RSPAN VLAN. At the destination switch, you must specify the source as the RSPAN VLAN. You cannot configure the source and destination as remote on the same switch. Note: On an intermediate switch, you must create an RSPAN VLAN, make sure that the ports that are connected to the source and destination switches are members of the RSPAN VLAN, and enable RSPAN VLAN egress tagging on the port that is connected to the destination switch. Use rx to monitor only ingress packets or use tx to monitor only egress packets. If you do not specify an rx or tx option, the destination port monitors both ingress and egress packets. Format Mode monitor session session-id source {interface {unit/slot/port | cpu | lag} | vlan vlan-id | remote vlan vlan-id} [rx | tx] Global Config Switching Commands 521 CLI Command Reference Manual