Configure Switching
105
S350 Series 8-Port Gigabit Ethernet Smart Managed Pro Switch Models GS308T and GS310TP
• Symmetric. If the port buffers become full, the switch sends pause frames to stop
traffic.
Flow control helps to prevent data loss when the port cannot keep up with the number
of frames being switched. When you enable flow control, the switch can send a pause
frame to stop traf
fic on the port if the amount of memory used by the packets on the
port exceeds a preconfigured threshold and responds to pause requests from partner
devices. The paused port does not forward packets for the time that is specified in the
pause frame. When the pause frame time elapses, or the utilization returns to a
specified low threshold, the switch enables the port to again transmit frames. The
switch also honors incoming pause frames by temporarily halting transmission.
• Asymmetric. If the port buf
fers become full, the switch does not send pause frames,
and data loss could occur. However, the switch does honor incoming pause frames by
temporarily halting transmission.
Note: For LAG interfaces, flow control mode is displayed as a blank field
because flow control is not applicable.
15. Click the Apply button.
Your settings are saved.
The following table describes the nonconfigurable data that is displayed.
Table 20. Port Configuration information
Field Description
Port Type For normal ports this field is blank. Otherwise, the options are as follows:
• Mirrored.
The port is a mirrored port on which all the traffic is copied to
the probe port.
• Probe. Use the port to monitor a mirrored port.
• T
runk Member. The port is a member of a link aggregation trunk. Look
at the LAG pages for more information.
Physical Status The port speed and duplex mode.
Link Status Indicates whether the link is up or down.
Frame Size (1522 to 10000) The maximum Ethernet frame size that each interface can support. The
frame size depends on your selection from the Frame Size menu above the
table and applies to each interface.
MAC Address The physical address of the specified interface.
PortList Bit Offset The bit offset value that corresponds to the port when the MIB object type
PortList is used to manage in SNMP
.
ifIndex The ifIndex of the interface table entry associated with the port.
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