Allied-telesis AT-S62 Manual do Utilizador descarregar pdf (Página 508)

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101

Chapter 24: Multiple Spanning Tree Protocol

Section IV: Spanning Tree Protocols 508

Table 17 lists the MSTP port costs with the Auto setting when the

port is part of a port trunk.

2 - Point-to-Point

This parameter defines whether the port is functioning as a point-

to-point port. For an explanation of this parameter, refer to Point-

to-Point Ports and Edge Ports on page 462.

3 - Edge Port

This parameter defines whether the port is functioning as an edge

port. For an explanation of this parameter, refer to Point-to-Point

Ports and Edge Ports on page 462.

Parameter changes are immediately activated on the port.

6. After making changes, type R until you return to the Main Menu. Then

type S to select Save Configuration Changes.

Configuring

MSTI-specific

Port Parameters

This procedure explains how to set a port’s priority and internal path

cost. These parameters can be set independently on a port for each MSTI

where a port is a member. To configure the parameters, perform the

following procedure:

1. From the MSTP Menu, type P to select MSTP Port Parameters.

The MSTP Port Parameters menu is shown in Figure 176 on page

506.

2. Type 2 to select Configure Per Spanning Tree Port Settings.

The following prompt is displayed:

Enter Spanning Tree (CIST/MSTI) List :

3. Enter the ID number of the CIST or MSTI where the VLAN containing

the port whose settings you want to configure is assigned. You can

specify more than one ID number.

It should be noted that you can enter the ID number of an MSTI

where the port is not a member. This allows you to pre-configure

the parameter in the event you later add the port as a member of

the MSTI through a VLAN assignment.

Table 17 Auto External Path Trunk Costs

Port Speed Port Cost

10 Mbps 20,000

100 Mbps 20,000

1000 Mbps 2,000

1 2 ... 503 504 505 506 507 508 509 510 511 512 513 ... 759 760

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