Managing Ecmp Group Paths - Dell Force10 Z9000 Configuration Manual

Enable link bundle monitoring using the
Note: An ecmp-group index is generated automatically for each unique ecmp-group when the user
configures multipath routes to the same network. The system can generate a maximum of 512 unique
ecmp-groups. The ecmp-group indexes are generated in even numbers (0, 2, 4, 6... 1022) and are for
information only.
For link bundle monitoring with ECMP, the
monitoring feature. The ecmp-group with id 2, enabled for link bundle monitoring is user configured. This
is different from the ecmp-group index 2 that is created by configuring routes and is automatically
generated.
These two ecmp-groups are not related in any way.

Managing ECMP Group Paths

Managing ECMP Group Paths
Configure the maximum number of paths for an ECMP route that the L3 CAM can hold to avoid path
degeneration. When the maximum number of routes is not configured, the CAM can hold a maximum
ECMP per route.
Use the
ip ecmp-group path-fallback
Task
Configure the maximum number of paths
per ECMP group
Enable ECMP group path management
Note: You must save the new ECMP settings to the startup-config ( write-mem ) then reload the system for the
new settings to take effect.
pt-s4801-temp1(conf)#ip ecmp-group maximum-paths 3
User configuration has been changed. Save the configuration and reload to take effect
pt-s4801-temp1(conf)#
| Equal Cost Multi-Path (ECMP)
336
command.
ecmp-group
ecmp-group
is supported only on platform:
command to enable or disable the feature.
Command Syntax
ip ecmp-group maximum-paths
{2-64}
ip ecmp-group path-fallback
command is used to enable the link bundle
Command Mode
CONFIGURATION
CONFIGURATION