Administrator Guide

Flex Hash and Optimized Boot-Up
This chapter describes the Flex Hash and fast-boot enhancements.
Topics:
• encapsulation dot1q
• lacp fast-switchover
• load-balance flexhash
• load-balance ingress-port enable
encapsulation dot1q
Configures lite-subinterfaces. This command is supported on the S6000 platform.
Syntax
encapsulation dot1q vlan-id
To remove a previously configured lite-subinterface, use the no version of this command.
Parameters
dot1q vlan-id Enter the keyword dot1q followed by the VLAN ID to which the host belongs. The
range is from 1 to 4094. A lite subinterface is considered as a Layer 3 port property
and is synchronous with the existing rules of applying Layer 2 or Layer 3 properties
to an interface.
Command Modes
INTERFACE
Command
History
Version
9.9(0.0) Introduced on the C9010.
9.3.0.0 Introduced on the S6000 platform.
Usage
Information
To enable routing of RRoCE packets, the VLAN ID is mapped to the default VLAN ID of 4095 and this
mapping is performed using VLAN translation. After VLAN translation, the RRoCE packets are considered
in the same manner as normal IP packets that are received on Layer 3 interface and routed in the egress
direction. At the egress interface, the VLAN ID is appended to the packet and transmitted out of the
interface as a tagged packet with the dot1Q value preserved. The dot1Q value is preserved only for egress
interfaces that are associated with a VLAN or a lite-subinterface . If a Layer 3 interface is configured
without the encapsulation 802.1Q VLAN ID or is an untagged interface in a VLAN , the dot1Q value is not
preserved .
lacp fast-switchover
Cause the physical ports to be aggregated faster by configuring this capability in a port-channel on both the nodes that are
members of a port-channel.
C9000 Series
Syntax
lacp fast-switchover
To 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 configured
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