Alteon OS Command Reference

Table 6-33Layer 2 Configuration Menu (/cfg/l2)

Command Syntax and Usage

vlan <VLAN number (1-4095)>

Displays the VLAN Configuration Menu. To view menu options, see page 247.

upfast enabledisable

Enables or disables Fast Uplink Convergence, which provides rapid Spanning Tree convergence to an upstream switch during failover.

Note: When enabled, this feature increases bridge priorities to 65500 for all STGs and path cost by 3000 for all external STP ports.

update <10-200>

Configures the station update rate. The default value is 40.

bpdugrd enabledisable

Enables or disables BPDU guard, to avoid spanning-tree loops on ports with Port Fast Forwarding enabled (/cfg/port x/fastfwd ena).

macnotif enabledisable

Enables or disables MAC Address Notification. With MAC Address Notification enabled, the switch generates a syslog message when a MAC address is added or removed from the MAC address table.

cur

Displays current Layer 2 parameters.

218 „ Chapter 6: The Configuration Menu

40M2420, April 2007

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Nortel Networks 40M2420 manual Upfast enabledisable, Update, Bpdugrd enabledisable, Macnotif enabledisable