Chapter 2 Network configuration 79Using the BayStack 420 10/100/1000 SwitchSwitch S3 is configured as follows:• Trunk (read only) indicates the trunk (1 to 6) that corresponds to the switchports specified in the Trunk Members fields.• Trunk Members (Unit/Port) indicates the ports that can be configured, ineach row, to create the corresponding trunk. Ports 1 and 3 are assigned astrunk members of trunk 1.• STP Learning indicates the spanning tree participation setting for each of thetrunks. Trunk 1 is enabled for Normal STP Learning.• Trunk Mode (read only) indicates the Trunk Mode for each of the trunks. TheTrunk Mode field value for trunk 1 is set to Basic. Source MAC addresses arestatically assigned to specific trunk members for flooding and forwarding,which allows the switch to stabilize and distribute the data streams of sourceaddresses across the trunk members.• Trunk Status indicates the Trunk Status for each of the trunks. When set toEnabled, the configuration settings for that specific trunk are activated.• Trunk Name indicates optional fields for assigning names to thecorresponding configured trunks.Trunk Configuration screen for Switch S4The names chosen for this example provide meaningful information to the user ofthis switch (for example, S3:T4 to S1 indicates that Trunk 1, in Switch S3,connects to Switch 1).As shown in Figure 34, Switch S4 is set up with one trunk configuration (T5).This trunk connects directly to Switch S1.As in the previous screen examples, to set up a trunk configuration, chooseMultiLink Trunk Configuration from the MultiLink Trunk Configuration Menuscreen.