LevelOne ProCon GSW-2692 User Manual download pdf (Page 104)

Configuring the Switch

3-68

CLI – Select the interface, and then enter the required settings.

Creating Trunk Groups

You can create multiple links between devices that work as one virtual, aggregate

link. A port trunk offers a dramatic increase in bandwidth for network segments

where bottlenecks exist, as well as providing a fault-tolerant link between two

devices. You can create up to four trunks at a time.

The switch supports both static trunking and dynamic Link Aggregation Control

Protocol (LACP). Static trunks have to be manually configured at both ends of the

link, and the switches must comply with the Cisco EtherChannel standard. On the

other hand, LACP configured ports can automatically negotiate a trunked link with

LACP-configured ports on another device. You can configure any number of ports

on the switch as LACP, as long as they are not already configured as part of a static

trunk. If ports on another device are also configured as LACP, the switch and the

other device will negotiate a trunk link between them. If an LACP trunk consists of

more than eight ports, all other ports will be placed in a standby mode. Should one

link in the trunk fail, one of the standby ports will automatically be activated to

replace it.

Command Usage

Besides balancing the load across each port in the trunk, the other ports provide

redundancy by taking over the load if a port in the trunk fails. However, before

making any physical connections between devices, use the web interface or CLI to

specify the trunk on the devices at both ends. When using a port trunk, take note of

the following points:

• Finish configuring port trunks before you connect the corresponding network

cables between switches to avoid creating a loop.

• You can create up to four trunks on the switch, with up to eight ports per trunk.

• The ports at both ends of a connection must be configured as trunk ports.

• When configuring static trunks on switches of different types, they must be

compatible with the Cisco EtherChannel standard.

Console(config)#interface ethernet 1/13 4-108

Console(config-if)#description RD SW#13 4-109

Console(config-if)#shutdown 4-113

Console(config-if)#no shutdown

Console(config-if)#no negotiation 4-110

Console(config-if)#speed-duplex 100half 4-109

Console(config-if)#flowcontrol 4-112

Console(config-if)#negotiation

Console(config-if)#capabilities 100half 4-111

Console(config-if)#capabilities 100full

Console(config-if)#capabilities flowcontrol

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LevelOne ProCon GSW-2692 User Manual Page 104