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Allied Telesis AT-S62 User Manual

Page 138

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Chapter 7: Port Parameter Commands

138

Section I: Basic Operations

backpressure

Controls back pressure on the port. Back
pressure applies only to ports operating in half-
duplex mode. The options are:

yes, on, true, enabled Activates back pressure

on the port. These
options are equivalent.

no, off, false, disabled Deactivates back

pressure on the port.
This is the default.
These options are
equivalent.

bplimit

Specifies the number of cells for back pressure.
A cell represents 64 bytes. The range is 1 to
57,344 cells. The default value is 57,344 cells.

bcastfiltering

Controls the broadcast filter. Possible values

are:

yes, on, true, enabled The port discards

ingress broadcast
frames. These values
are equivalent.

no, off, false, disabled The port forwards all

ingress broadcast
frames. This is the
default setting. These
values are equivalent.

holbplimit

Specifies the threshold at which the switch
signals a head of line blocking event on a port.
The threshold is specified in cells. A cell is 64
bytes. The range is 1 to 61,440 cells; the default
is 61,440.

renegotiation

Prompts the port to renegotiate its speed and
duplex mode with the end node. This parameter
only works when the port is using Auto-
Negotiation. The only option is:

auto

Renegotiates speed and duplex
mode with the end node.

unkmcastfiltering

Controls the unknown multicast filter. Possible

values are:

yes, on, true, enabled The port discards

unknown ingress
multicast frames. These
values are equivalent.