Variable Value
Index A unique value assigned to each interface. The value ranges
between 1 and 512.
Name Specifies a name for the port.
Descr The description of the selected port.
Type The media type of this interface.
Mtu The size of the largest packet, in octets, that can be sent or
received on the interface.
PhysAddress The MAC address assigned to a particular interface.
AdminStatus The current administrative state of the device, which can be one
of the following:
• up
•
down
When a managed system is initialized, all interfaces start with
AdminStatus in the up state. AdminStatus changes to the down
state (or remains in the up state) because either management
action or the configuration information available to the managed
system.
OperStatus The current operational state of the interface, which can be one of
the following:
• up
• down
• testing
If AdminStatus is up then OperStatus should be up if the interface
is ready to transmit and receive network traffic. If AdminStatus is
down then OperStatus should be down. It should remain in the
down state if and only if there is a fault that prevents it from going
to the up state. The testing state indicates that no operational
packets can be passed.
LastChange The value of sysUpTime at the time the interface entered its current
operational state. If the current state was entered prior to the last
reinitialization of the local network management subsystem, the
value is zero.
LinkTrap Specifies whether linkUp/linkDown traps should be generated for
this interface.
AutoNegotiate Indicates whether this port is enabled for autonegotiation or not.
Important:
10/100BASE-TX ports can not autonegotiate correctly with
older 10/100BASE-TX equipment. In some cases, the older
devices can be upgraded with new firmware or driver revisions.
Interface port management using EDM
Configuration — System April 2011 233
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