Configuring Npv Traffic Management; Configuring List Of External Interfaces Per Server Interface; Enabling The Global Policy For Disruptive Load Balancing - Cisco MDS 9000 Series Configuration Manual

Configuring NPV Traffic Management

Configuring NPV Traffic Management
The NPV traffic management feature is enabled after configuring NPV. Configuring NPV traffic management
involves configuring a list of external interfaces to the servers, and enabling or disabling disruptive load
balancing.

Configuring List of External Interfaces per Server Interface

A list of external interfaces are linked to the server interfaces when the server interface is down, or if the
specified external interface list includes the external interface already in use.
To configure the list of external interfaces per server interface, perform the following tasks:
Step 1 switch# configure terminal
Enters configuration mode on the NPV.
Step 2
switch(config)# npv traffic-map server-interface svr-if-range external-interface fc ext-fc-if-range
Allows you to configure a list of external FC interfaces per server interface by specifying the external interfaces in the
svr-if-range. The server to be linked is specified in the ext-fc-if-range.
Step 3
switch(config)# npv traffic-map server-interface svr-if-range external-interface port-channel ext-pc-if-range
Allows you to configure a list of external PortChannel interfaces per server interface by specifying the external interfaces
in the svr-if-range. The server to be linked is specified in the ext-pc-if-range.
While mapping non-PortChannel interfaces and PortChannel interfaces to the server interfaces, include them
Note
separately in two steps.
Step 4
switch(config)# no npv traffic-map server-interface svr-if-range external-interface ext-if-range
Disables the NPV traffic management feature on the NPV.

Enabling the Global Policy for Disruptive Load Balancing

Disruptive load balancing allows you to review the load on all the external interfaces and balance the load
disruptively. Disruptive load balancing is done by moving the servers using heavily loaded external interfaces,
to the external interfaces running with fewer loads.
To enable or disable the global policy for disruptive load balancing, perform the following tasks:
Step 1
switch# configure terminal
Enters configuration mode on the NPV.
Step 2 switch(config)# npv auto-load-balance disruptive
Enables disruptive load balancing on the NPV core switch.
Step 3
switch (config)# no npv auto-load-balance disruptive
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
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Configuring N Port Virtualization