Users Guide

Table Of Contents
Equal Cost Multi-Path (ECMP)
Equal cost multi-path (ECMP) supports multiple "best paths" in next-hop packet forwarding to a destination device.
Topics:
ecmp-group
hash-algorithm
ip ecmp-group
ip ecmp weighted
link-bundle-monitor enable
link-bundle-distribution trigger-threshold
show config
show link-bundle distribution
ecmp-group
Provides a mechanism to monitor traffic distribution on an ECMP link bundle. A system log is generated when the standard
deviation of traffic distribution on a member link exceeds a defined threshold.
Syntax
ecmp-group {ecmp-group-id interface interface | link-bundle-monitor}
To remove the selected interface, use the ecmp-group no interface command.
To disable link bundle monitoring, use the ecmp-group no link-bundle-monitor command.
Parameters
ecmp-group ID
Enter the identifier number for the ECMP group. The range is from 2 to 64.
interface
Enter the following keywords and the interface information to add the interface to
the ECMP group:
For a 1-GigabitEthernet interface, enter the keyword GigabitEthernet then
the slot/port information.
For a 1-GigabitEthernet interface, enter the keyword GigabitEthernet then
the slot/port information.
For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
For a LAG interface, enter the keywords port-channel then the slot/port
information.
Defaults Off
Command Modes
CONFIGURATION
CONFIGURATION ECMP-GROUP
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
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