Managing Device Diagnostics
Configuring Port and VLAN Mirroring
Cisco Small Business 200 1.1 Series Smart Switch Administration Guide 147
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• MGBLH1: 1000BASE-LH SFP transceiver, for single-mode fiber, 1310 nm
wavelength, supports up to 40 km.
• MGBLX1: 1000BASE-LX SFP transceiver, for single-mode fiber, 1310 nm
wavelength, supports up to 10 km.
• MGBSX1:1000BASE-SX SFP transceiver, for multimode fiber, 850 nm
wavelength, supports up to 550 m.
• MGBT1: 1000BASE-T SFP transceiver for category 5 copper wire, supports
up to 100 m.
To view the results of optical tests. click Administration > Diagnostics > Optical
Module Status. The Optical Module Status page
opens.
This page displays the following fields:
• Port—Port number on which the SFP is connected.
• Temperature—Temperature (Celsius) at which the SFP is operating.
• Voltage—SFP’s operating voltage.
• Current—SFP’s current consumption.
• Output Power—Transmitted optical power.
• Input Power—Received optical power.
• Transmitter Fault—Remote SFP reports signal loss. Values are True, False,
and No Signal (N/S).
• Loss of Signal—Local SFP reports signal loss. Values are True and False.
• Data Ready—SFP is operational. Values are True and False
Configuring Port and VLAN Mirroring
Port mirroring is used on a network switch to send a copy of network packets
seen on one switch port, multiple switch ports, or an entire VLAN to a network
monitoring connection on another port on the switch. This is commonly used for
network appliances that require monitoring of network traffic, such as an intrusion-
detection system. A network analyzer connected to the monitoring port processes
the data packets for diagnosing, debugging, and performance monitoring. Up to
eight sources can be mirrored. This can be any combination of eight individual
ports and/or VLANs.
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