CANOGA PERKINS 9175 Configuration Guide - Manual (Page 18)

CanogaOS Configuration Guide
2-1
2 Configuring Static Link Aggregation
2.1 Overview
This chapter contains a complete sample static Link Aggregation configuration. To see
details on the commands used in this example, refer to the Command Reference.
Link Aggregation is based on the 802.3ad IEEE specification. It allows bundling of
several physical interfaces to form a single logical channel providing enhanced
performace and redundancy. The aggregated interface is viewed as a single logical link
to each switch. The Protocol Module(except LACP module) views it as one interface and
not as 2 or 3 interfaces. When there is a failure in one physical interface, the other
interfaces stay up and there is no disruption. Our implementation supports 8 physical
Ethernet links at most in a single logical channel.
For static link aggregation, 802.3ad LACP state machine will not run. both link
aggregation group and members are created manually without LACP protocols
2.2 Topology
In this example, 3 links are configured between the two switches S1 and S2. These three
links are assigned the same administrative key so that they aggregate to form a single
channel 1. They are viewed by the Protocol Module (except LACP) as one interface.
Figure 2-1: Static Link Aggregation
2.3 Configurations
Switch S1
DUT1#configure terminal Enter the Configure mode.
DUT1(config)#interface eth-0-5 Specify the interface (eth-0-5)to be configured and enter the
Interface mode.
DUT1(config-if)#no shutdown Enable the interface.
DUT1(config-if)#static-channel-group 1 Add this interface to a static channel group 1 and enable link
aggregation so that it can be selected for aggregation by the
local system.
DUT1(config-if)#exit Exit the Interface mode and enter the Configure mode.
DUT1(config)#interface eth-0-6 Specify the interface (eth-0-6)to be configured and enter the
Interface mode.