Dell X1000 Series User Manual page 172

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• Destination ports cannot be a member of a LAG.
• IP interfaces cannot be configured on the destination port.
• GVRP cannot be enabled on the destination port.
• The destination port cannot be a member of a VLAN.
• Only one destination port can be defined.
• All QoS/CoS rules that apply to the destination port, as an egress, such as
traffic shaping, are suspended for the duration of the mirroring session.
Any such settings, configured on the port during the mirroring session,
take effect only after the port is no longer a destination port for a
mirroring session.
• Ingress mirrored packets may arrive at the source port either with an
802.1q tag or without. When the packets are mirrored to a destination
port, they should be transmitted as they are received on the ingress port.
However, in the device, the packet is transmitted out of the destination
port as untagged, regardless of the input encapsulation.
Source Port Restrictions
The following restrictions apply to ports specified as source ports:
• Source ports cannot be a member of a LAG.
• Source ports cannot be configured as a destination port.
• Up to eight source ports can be mirrored.
NOTE:
When a port is set to be a target port for a port-mirroring session, all normal
operations on it are suspended. This includes Spanning Tree and LACP. All currently
active protocols and services on that port are suspended.
Port and VLAN Mirroring
To specify source and destination interfaces for port mirroring:
1 Click Network Administration > Ports Settings > Port and VLAN
Mirroring.
The previously-defined source interfaces for the selected Destination
Interface are displayed, along with the fields defined in the Add page and
their status. If no destination port was selected, None is displayed.
– Status — Indicates if the port is currently being monitored (Active) or
not being monitored (notReady), because of some problem.
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Network Administration: Port Settings
Guide\Dell_Astute_Network_Admin_PortSettings.fm