Optimizing Port Usage Through Traffic Control and Port Trunking

Port Trunking

switch automatically adjusts Broadcast Limit settings to be the same for all ports in a trunk.) To verify these settings, see “Viewing Port Status and Configuring Port Parameters” on page 6-2.

You can configure the trunk group with one, two, three, or four ports per trunk. If multiple VLANs are configured, all ports within a trunk will be assigned to the same VLAN or set of VLANs. (With the 802.1Q VLAN capability built into the switch, more than one VLAN can be assigned to a trunk. See “Port-Based Virtual LANs (Static VLANs)” on page 9-50.)

(To return a port to a non-trunk status, keep pressing the Space bar until a blank appears in the highlighted Group value for that port.)

Optimizing Port Usage

Through Traffic Control and

Figure 6-5. Example of the Configuration for a Two-Port Trunk Group

6.Move the cursor to the Type column for the selected port and use the Space bar to select the trunk type:

LACP

Trunk (the default type if you do not specify a type)

FEC (Fast EtherChannel® trunk)

All ports in the same trunk group on the same switch must have the same Type (LACP, Trunk, or FEC).

7.When you are finished assigning ports to the trunk group, press [Enter], then [S] (for Save) and return to the Main Menu. (It is not necessary to reboot the switch.)

During the Save process, traffic on the ports configured for trunking will be delayed for several seconds. If the Spanning Tree Protocol is enabled, the delay may be up to 30 seconds.

6-17

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HP 2500 manual Example of the Configuration for a Two-Port Trunk Group