3Com 3824 Implementation Guide - Page 20
Implementing 802.3ad Aggregated Links, and from an aggregated link via Web commands. However
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20 CHAPTER 2: OPTIMIZING BANDWIDTH failed - almost instantaneously. As a result, aggregated link configurations are extremely resilient and fault-tolerant. Figure 2 Dynamic Reassignment of Traffic Flows The key benefits of 802.3ad link aggregation are: ■ Automatic configuration - network management does not need to be used to manually aggregate links. ■ Rapid configuration and reconfiguration - approximately one to three seconds. ■ Compatibility - non-802.3ad devices can interoperate with 802.3ad enabled devices. However, you will need to manually configure the aggregated links as LACP will not be able to automatically detect and form an aggregation with a non-802.3ad device. ■ The operation of 802.3ad can be configured and managed via network management. Implementing 802.3ad Aggregated Links LACP can be enabled or disabled on a per port basis. You can implement 802.3ad aggregated links in two ways: ■ Manual Aggregations - You can manually add and remove ports to and from an aggregated link via Web commands. However, if a port has LACP enabled, and if a more appropriate or correct automatic membership is detected by LACP, it will override the manual configuration. For example, in Figure 3, if a port on Switch C is physically connected to Switch B, but you manually configure the port on Switch C to be a