D-Link DGS-3000-28SC [25/444] Port description settings
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D-Link DGS-3000-28SC [25/444] Port description settings

D-Link DGS-3000-28SC [25/444] Port description settings
DGS-3000-28SC Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
15
The 1000M Full_Master and 1000M Full_Slave parameters refer to connections
running a 1000BASE-T cable for connection between the Switch port and other
device capable of a gigabit connection. The master setting (1000M Full_Master) will
allow the port to advertise capabilities related to duplex, speed and physical layer
type. The master setting will also determine the master and slave relationship
between the two connected physical layers. This relationship is necessary for
establishing the timing control between the two physical layers. The timing control is
set on a master physical layer by a local source. The slave setting (1000M
Full_Slave) uses loop timing, where the timing comes from a data stream received
from the master. If one connection is set for 1000M Full_Master, the other side of
the connection must be set for 1000M Full_Slave. Any other configuration will result
in a link down status for both ports.
Capability Advertised
When the Speed/Duplex is set to Auto, these capabilities are advertised during
auto negotiation. When Auto is selected and if no capability option is selected, then
all capabilities will be advertised.
Flow Control
Displays the flow control scheme used for the various port configurations. Ports
configured for full-duplex use 802.3x flow control, half-duplex ports use
backpressure flow control, and Auto ports use an automatic selection of the two.
The default is Disabled.
Address Learning
Enable or disable MAC address learning for the selected ports. When Enabled,
destination and source MAC addresses are automatically listed in the forwarding
table. When address learning is Disabled, MAC addresses must be manually
entered into the forwarding table. This is sometimes done for reasons of security or
efficiency. See the section on Forwarding/Filtering for information on entering MAC
addresses into the forwarding table. The default setting is Enabled.
MDIX
Auto - Select auto for auto sensing of the optimal type of cabling.
Normal - Select normal for normal cabling. If set to normal state, the port is in MDIX
mode and can be connected to a PC NIC using a straight-through cable or a port (in
MDIX mode) on another switch through a cross-over cable.
Cross - Select cross for cross cabling. If set to cross state, the port is in MDI mode,
and can be connected to a port (in MDIX mode) on another switch through a
straight cable.
Medium Type
If configuring the Combo ports, this defines the type of transport medium to be
used.
AutoSpeed Downgrade
Enable or disable automatically downgrading advertised speed. This function only
takes effect, when Speed/Duplex is configured as Auto.
Auto Negotiation
Select the auto-negotiation method.
Restart An - Select to restart auto-negotiation process.
Remote Fault Advertised - When this option is selected, fault conditions will be
remotely advertised when the next auto-negotiation process takes place. When
selecting Disabled, remote fault advertisement is disabled. When selecting Offline,
local devices that were powered off or removed from the active configuration will be
advertised at the next auto-negotiation. When selecting Link Fault, local devices
that disconnected due to link failure will be advertised at the next auto-negotiation.
When selecting ANE, the resolution that precludes operation between local devices
and link partners will be advertised at the next auto-negotiation.
Click the Apply button to implement changes made.
Click the Refresh button to refresh the display section of this window.
Port Description Settings
The Switch supports a port description feature where the user may name various ports.
To view the following window, click System Configuration > Port Configuration > Port Description Settings, as
show below:

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