Cisco Systems EA6500 Manual De Usuario

A typical cache entry that is removed is the entry for flows to and from a Domain Name Server (DNS) 
or TFTP server. This entry might not be used again after it is created. The PFC saves space in the MLS 
cache for other data when it detects and ages out these entries.

If you need to enable MLS fast aging time, initially set the value to 128 seconds. If the size of the MLS 
cache continues to grow over 32K entries, decrease the setting until the cache size stays below 32K. If 
the cache continues to grow over 32K entries, decrease the normal MLS aging time.

To configure the MLS aging time, perform this task:

This example displays how to configure the MLS aging time:

Router# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Router(config)# mls aging fast threshold 64 time 30

To display the MLS aging-time configuration, perform this task:

This example shows how to display the MLS aging-time configuration:

Router# show mls aging

             enable timeout  packet threshold

             ------ -------  ----------------

normal aging false      300        N/A

fast aging   false      32         100

long aging   false      900        N/A

Router# 

These sections describe how to configure sampled NetFlow on the PFC:

Release 12.1(13)E and later releases support sampled NetFlow on the PFC.

NDE on the MSFC does not support sampled NetFlow.

With the full-interface or destination-source-interface flow masks, you can enable or disable 
sampled NetFlow on individual Layer 3 interfaces. With all other flow masks, sampled NetFlow is 
enabled or disabled globally.

Router(config)# mls aging {fast [threshold {1-128} | 

 {1-128}] | long 64-900 | normal 32-4092}

Configures the MLS aging time for an MLS cache entry.

Router(config)# no mls aging {fast | long | normal}

Reverts to the default MLS aging time.

Router# show mls aging 

Displays the MLS aging-time configuration.