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Configuring the Switch
Load Balancing: Port Trunking
Configuring the Switch
Trunk Operation Using the “FEC” Option
This is the most flexible method for distributing traffic over trunked links
when connecting to devices that use the FEC (Fast EtherChannel
®
) technol-
ogy. HP FEC trunks offer the following benefits:
■ Provide trunked connectivity to a FEC-compliant server, switch, or router.
■ Enable quick convergence to remaining links when a failure is detected
on a trunked port link.
■ Depending on the capabilities of the device on the other end of the trunk,
negotiate the forwarding mechanism on the trunk to either SA-Trunk or
SA/DA (Trunk).
■ When auto-negotiated to the SA/DA forwarding mechanism, provide
higher performance on the trunk for broadcast, multicast, and flooded
traffic through distribution in the same manner as SA/DA trunking.
■ Support FEC automatic trunk configuration mode on other devices. That
is, when connecting HP FEC trunks to FEC-capable servers, switches, or
routers having FEC automatic trunk configuration mode enabled, the HP
FEC trunks allow these other devices to automatically form trunk groups.