Allied-telesis AT-8116 Uživatelský manuál stáhnout pdf (Strana 63)

AT-8116 User’s Guide

12-3

set-speed-sel

set-port-sel <port-number> {asense|100|10}

This command speciﬁes if port-number will negotiate a 10Mbps or

100Mbps connection, or it will autosense. If the switch is having

difficulty auto-sensing the wire speed, use this command to set the

correct value.

Note

If the port’s link partner is in Full Duplex mode and not in ASENSE (or

auto-negotiation) mode, ASENSE cannot be selected as the line speed

of the port.

set-port-state

This command can be used to enable or disable a port when the

Spanning Tree algorithm is not running. When Spanning Tree is

running, set-prt-enb should be used instead.

set-port-state < port-number>

{enable|disable}

set-aggr-mode

This command sets the device mode: aggressive or relax backoff

algorithm.

SYS_console>set-aggr-mode

[arg #0] enter either {enable | disable}

SYS_console>

The AT-8116 implements the truncated exponential backoff

algorithm deﬁned by the 802.3 standard. The set-aggr-mode

command controls the number of consecutive retransmit trials

(necessitated by collisions) before restarting the backoff algorithm.

In aggressive mode the AT-8116 restarts the backoff algorithm after 4

consecutive transmit trials instead of 16. This results in the switch

being more aggressive in accessing the media following a collision.

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Allied-telesis AT-8116 Uživatelský manuál Strana 63