Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.0ER - Page 247
remote port monitoring, Reserved L2 VLAN, Source session, Restrictions
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• The member port of the reserved VLAN must have the MTU and IPMTU value as MAX+4 (to hold the VLAN tag parameter). • To associate with source session, the reserved VLAN can have a maximum of four member ports. • To associate with destination session, the reserved VLAN can have multiple member ports. • The reserved VLAN cannot have untagged ports. Reserved L2 VLAN • MAC address learning in the reserved VLAN is automatically disabled. • There is no restriction on the VLAN IDs used for the reserved remote monitoring VLAN. Valid VLAN IDs are from 2 to 4093. The default VLAN ID is not supported. • In monitored traffic, packets that have the same destination MAC address as an intermediate or destination device in the path used by the reserved VLAN to transport the mirrored traffic are dropped by the device that receives the traffic if the device has a L3 VLAN configured. Source session • Configure physical ports and port-channels as sources in remote port monitoring and use them in the same source session. You can use both L2 (configured with the switchport command) and L3 ports as source ports. Optionally configure one or more source VLANs to configure the VLAN traffic to be monitored on source ports. • Use the default VLAN and native VLANs as a source VLAN. • You cannot configure the dedicated VLAN used to transport mirrored traffic as a source VLAN. Restrictions • When you use a source VLAN, enable flow-based monitoring (flow-based enable). • In a source VLAN, only received (rx) traffic is monitored. • You cannot configure a source port-channel or source VLAN in a source session if the port-channel or VLAN has a member port configured as a destination port in a remote port monitoring session. • You cannot use a destination port for remote port monitoring as a source port, including the session the port functions as the destination port. • The reserved VLAN used to transport mirrored traffic must be a L2 VLAN - L3 VLANs are not supported. Configure remote port monitoring Remote port monitoring requires a source interface (monitored ports on different source network devices) and a reserved tagged VLAN for transporting mirrored traffic (configured on the source, intermediate, and destination devices). 1 Create a remote monitoring session in CONFIGURATION mode. monitor session session-id type rspan-source 2 Enter the source to monitor traffic in MONITOR-SESSION mode. source interface interface-range direction 3 Enter the destination to send the traffic to in MONITOR-SESSION mode. destination remote-vlan vlan-id 4 Enable the monitoring interface in MONITOR-SESSION mode. no shut Create remote monitoring session OS10(config)# monitor session 10 type rspan-source OS10(conf-mon-rspan-source-10)# Configure source and destination port, and traffic direction OS10(conf-mon-rspan-source-10)# source interface vlan 10 rx OS10(conf-mon-rspan-source-10)# destination remote-vlan 100 OS10(conf-mon-rspan-source-10)# no shut Layer 2 247