24 Port SNMP Managed Switch – User Manual
Page
21
Product Number 0-1591058-x
© Tyco Electronics 2003
PL0351 Issue 1
Switch Port Configuration – Sub-Menu
In the port configuration screen (see page…) you can configure the port variables including:-
•
Admin. State
. This control enables or disables the port. Use the <space> key to
toggle the enable/disable state.
•
Speed and Duplex
. This control allows selection of the port speed and duplex
modes. There are 5 different options available and selected by using the <space>
bar:-
o
Auto-negotiation,
o
Half Duplex – 10Mbps,
o
Half Duplex – 100Mbps,
o
Full Duplex – 10Mbps,
o
Half Duplex – 100Mbps.
•
Flow control
is normally enabled but can be disabled using the <space> key if
required.
•
•
Per-Port Priority
allows the basic priority of flow through the port to be controlled in
4 levels (Lowest, Low, Medium and High). Note that this port level priority control is
over-ridden by the QoS (quality of Service settings in the Switch Configuration Menu.
•
•
TX Bandwidth Provisioning
and
RX Bandwidth Provisioning
allows the
bandwidth in each direction of transmission to be independently controlled. This
function can be used to offer different levels of network bandwidth to customers so
that creative tariff structures can be implemented. There are 9 levels of bandwidth
available and the actual throughput is very dependant on the packet size. The
throughput values below were based on 64 byte packets:-
o
Level 1 = 4%
o
Level 2 = 8%
o
Level 3 = 12%
o
Level 4 = 16%
o
Level 5 = 33%
o
Level 6 = 50%
o
Level 7 = 80%
o
Level 7 = 88%
o
Full Bandwidth = 100%
•
Default Port VLAN ID
is the VLAN ID tag that is applied to untagged traffic when
arriving into the switch from a switch port. This allows untagged traffic to be
successfully routed through the switch. The default VLAN ID is set at 1