C H A P T E R 3 Standard Configuration

Changing the flow control Flow control prevents the loss of frames during busy periods. Note that the individual port settings overrule the default setting. To change the default flow mechanism on all ports:

1Select Device Setup or Stack Setup.

2Click Switching.

3Click Default Flow Control.

4Click Enabled or Disabled.

5Click OK.

Changing the default forwarding mode

To change the forwarding mode to be used on all ports:

1Select Device Setup or Stack Setup.

2Click Switching.

3Click Default Switch Forwarding Mode.

4Click the default forwarding mode you want.

5Click OK.

Enable forward learn

When this mode is enabled, all packets are forwarded. However, if

packets mode

there is not enough memory in the switch, due to heavy load, the

 

packet is discarded. When this mode is disabled, only “IPX Get serv-

 

er” request packets are forwarded. To enable or disable this mode:

 

1

Select Device Setup or Stack Setup.

 

2

Click Switching.

 

3

Check the box to enable this mode.

 

4

Click OK.

Adaptive Forwarding Mode

Purpose

You can:

 

Change the Sample Time

 

Define the minimum and maximum errors acceptable before

changing the forwarding mode

Note While CRC errors and runts are the most likely parameters to cause the switching mode to change, they are not the only ones.

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Intel 550T manual Adaptive Forwarding Mode