configured without the encapsulation 802.1Q VLAN ID or is an untagged interface in aVLAN , the dot1Q value is not preserved .lacp fast-switchoverCause the physical ports to be aggregated faster by configuring this capability in a port-channel on both thenodes that are members of a port-channel.C9000 SeriesSyntax lacp fast-switchoverTo disable the capability of faster aggregation of the member ports of a LAG or a port-channel bundle, use the no version of this command.Defaults Not configuredCommand Modes INTERFACE (conf-if-po-number)Command History Version Description9.9(0.0) Introduced on the C9010.9.3(0.0) Introduced on the S6000.Usage Information You can configure the optimal switchover functionality for LACP even if you do notenable the fast boot mode on the system. You must configure the long timeoutmechanism for the LACP session to enable the fast boot capability to operate properly.This command applies to dynamic port-channel interfaces only. When applied on astatic port-channel, this command has no effectIf you configure the optimized booting-time capability and perform a reload of thesystem, the LACP application sends PDUs across all the active LACP links immediately.RelatedCommandsshow lacp — displays the LACP configuration.load-balance flexhashSpecify the parameters for the Flex Hash mechanism, such as whether IPv4 or IPv6 packets must be subjectto Flex Hash functionality, a unique protocol number, the offset of hash fields from the start of the L4 headerto be used for hash calculation, and a meaningful description to associate the protocol number with thename. This utility is supported on the platform.Flex Hash and Optimized Boot-Up 879
