ZyXEL Communications MES-2110 Guide de l'utilisateur télécharger pdf (Page 80)

Chapter 10 Bridge

MES-2110 User’s Guide

10.4 The Spanning Tree Port Configuration

Click Configuration > Bridge Menu > RSTP Per Port Config to open the

following screen.

Figure 37 Configuration > Bridge Menu > RSTP Per Port Config

Forward Delay (sec) This is the maximum time (in seconds) the Switch will wait before

changing states. This delay is required because every switch must

receive information about topology changes before it starts to

forward frames. In addition, each port needs time to listen for

conflicting information that would make it return to a blocking

state; otherwise, temporary data loops might result. The allowed

range is 4 to 30 seconds.

As a general rule:

Note: 2 * (Forward Delay - 1) >= Max Age >= 2 * (Hello Time

+ 1)

Max age (sec) This is the maximum time (in seconds) the Switch can wait

without receiving a BPDU before attempting to reconfigure. All

Switch ports (except for designated ports) should receive BPDUs

at regular intervals. Any port that ages out STP information

(provided in the last BPDU) becomes the designated port for the

attached LAN. If it is a root port, a new root port is selected from

among the Switch ports attached to the network. The allowed

range is 6 to 40 seconds.

Undo Click this to restore your last saved settings.

Refresh Click this to reset the data for the field(s).

Apply Click this to save your changes.

Table 25 Configuration > Bridge Menu > RSTP System Config

LABEL DESCRIPTION

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 183 184

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ZyXEL Communications MES-2110 Guide de l'utilisateur Page 80