Motorola P880 manual Parameter Recommended Setting

Examples of Switch Ports Settings for Various VLAN Connection Types

3.From the Spanning Tree pull-down menu, select to Enable or Disable spanning tree protocol on this port.

4.From the Fast Start pull-down menu, select to Enable or Disable. When enabled, Fast Start mode ports begin forwarding traffic without waiting for the spanning tree negotiation to complete. Fast start eliminates the waiting time of listen and learn states. Ports immediately enter the forward state.

5.From the Known Mode pull-down menu, select to Enable or Disable. Selecting Enable limits the packets with unknown unicast destination addresses flooded to this port. For example, if a known end-station or file server is connected to the port, there’s no need to flood unknown unicasts to that port. You must manually enter a static MAC address for the station actually attached to the port.

6.From the 3Com Mapping Table pull-down menu, select an assignment to specify how incoming tagged frames from 3Com equipment are mapped to Lucent VLANs. Refer to “Creating 3Com Mapping Tables”, in the Cajun P550/P220 Switch Operation Guide, for more information on 3Com Mapping Tables.

7.Click APPLY to save your changes, or CANCEL to restore previous settings.

Use Table 16 through Table18 for recommended switch port settings for each connection type.

Table 16. Example 1. Trunk to Cisco Catalyst 5000 TM

Parameter	Recommended Setting
Port VLAN	Default - causes untagged packets to be
	assigned to the default VLAN.
Trunk Mode	Multi-level- causes the port to send frames
	using the multilevel format.
VLAN Binding	Bind to All - binds the port to all VLANs
	known to the switch.
Automatic	Enable - causes the switch to learn new VLAN
VLAN Creation	IDs that arrive at the port, and then bind the
	port to these VLANs.
VTP Snooping	Enable - cause the switch to update its VLANs
	as they are created, deleted, or changed on the
	Catalyst.

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