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Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
78-14099-04
Chapter 33 Configuring NDE
Configuring NDE
This example shows how to enable NDE from the PFC:
Router(config)# mls nde sender
Setting the Minimum IP MLS Flow Mask
You can set the minimum granularity of the flow mask for the MLS cache on the PFC. The actual flow
mask used will have at least the granularity specified by this command. For information on how the
different flow masks work, see the “Flow Masks” section on page 33-2.
If you configure TCP intercept, IOS Server Load Balancing (ISLB), Context-Based Access Control
(CBAC), reflexive ACLs, or Web Cache Communication Protocol (WCCP), the flow mask changes to
full.
Caution Changing the flow mask purges all existing shortcuts in the MLS cache, which on a Supervisor Engine 1
affects the number of active shortcuts. Be careful when using this command on a Supervisor Engine 1.
With a Supervisor Engine 2, NDE configuration has no effect on Layer 3 switching in hardware by
the PFC2.
To set the minimum IP MLS flow mask, perform this task:
Note Release 12.1(13)E and later releases support the interface-destination-source and interface-full
keywords.
This example shows how to set the minimum IP MLS flow mask:
Router(config)# mls flow ip destination
To display the IP MLS flow mask configuration, perform this task:
This example shows how to display the MLS flow mask configuration:
Router# show mls netflow flowmask
current ip flowmask for unicast: destination address
current ipx flowmask for unicast: destination address
Router#
Command Purpose
Router(config)# mls flow ip {destination |
destination-source |
interface-destination-source | full |
interface-full}
Sets the minimum IP MLS flow mask for the
protocol.
Router(config)# no mls flow ip Reverts to the default IP MLS flow mask.
Command Purpose
Router# show mls netflow flowmask With Release 12.1(8a)E and later releases,
displays the flow mask configuration.
Router# show mls flowmask With releases earlier than Release 12.1(8a)E,
displays the flow mask configuration.