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JUNOSe 11.1.x Physical Layer Configuration Guide
Using Ethernet show Commands
Use the show commands described in this section to display information about your
Ethernet configuration and to monitor Ethernet interfaces.
show interfaces fastEthernet
206
Monitoring Ethernet Interfaces
Use to display the status of Fast Ethernet interfaces.
You can specify the following keywords:
delta Specifies that baselined statistics are to be shown
brief Displays the operational status of all configured interfaces
Field descriptions
FastEthernet interfaceSpecifier—Status of the hardware on this interface
up Hardware is operational
down Hardware is not operational
Administrative status Operational state that you configured for this interface
up Interface is enabled
down Interface is disabled
Hardware Type of MAC device on this interface
Address MAC address of the processor on this interface
MAU Type of medium attachment unit (MAU) on the physical port:
10BASE-T (10 Mbps)
100BASE-TX (100 Mbps)
100BASE-FX-MM (100 Mbps) with the distance appearing after the type
100BASE-LX-SM (100 Mbps)
SFP (Empty) SFPs that are empty
SFP (Non-compliant Juniper Part) SFPs that are installed in the FE-8
I/O module and do not have a Juniper Networks part number
programmed
MTU Size of the MTU for this interface
Operational Size of the largest packet processed
Administrative Setting for MTU size that you specified
Duplex Mode Duplex option for this interface
Operational Duplex option currently used
Administrative Setting for duplex that you specified
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