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ACTIVE TIMER WHEN USING NETFLOW HOW TO
ACTIVE TIMER WHEN USING NETFLOW SOFTWARE
ACTIVE TIMER WHEN USING NETFLOW SERIES

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ACTIVE TIMER WHEN USING NETFLOW SERIES

If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.Ĭonfigures the timers for active and inactive flow entries in the Cisco IOS NetFlow cache on the Cisco 10000 series router.ĬCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.

ACTIVE TIMER WHEN USING NETFLOW SOFTWARE

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. For release information about a specific command, see the command reference documentation.Ĭisco IOS software images are specific to a Cisco IOS software release, a feature set, and a platform. Not all commands may be available in your Cisco IOS software release. Table 1 lists the release history for this feature. Feature Information for NetFlow PXF Timers This feature uses no new or modified commands. Registered users can log in from this page to access even more content. The Cisco Technical Support & Documentation website contains thousands of pages of searchable technical content, including links to products, technologies, solutions, technical tips, and tools. The service netflow timeout command has no default behavior or values. Use the procedure below to configure the timeout settings for active and inactive flow entries in the NetFlow cache on the Cisco 10000 series router.

Configuring NetFlow PXF Timers Configuring NetFlow PXF Timers.

To configure NetFlow PXF timers, perform the following configuration task: Also, we recommend that you do not configure the inactive timeout lower than 15 seconds to prevent the sending of excessive flow records from the PXF to the Route Processor (RP). We recommend that the active timeout value be larger than the inactive timeout value. On PXF and PRE reloads, the active timeout reverts to 60 seconds and the inactive timeout to 15 seconds. If you configure the timers, the router does not retain your settings on PXF or Performance Routing Engine (PRE) reloads. To configure the NetFlow PXF timers, use the service netflow timeout command in global configuration mode. If the router does not receive packets belonging to a packet flow for a configured period of seconds, the flow expires and is removed from the live Cisco IOS NetFlow cache. The NetFlow PXF timers are used to ensure that there is a constant flow record in the live Cisco IOS NetFlow cache to view using the command-line interface (CLI). NetFlow is completely transparent to the existing network, including end stations and application software and network devices such as LAN switches.

NetFlow does not require any change externally to the packets themselves or to any networking device. It does not involve any connection-setup protocol, either between routers or to any other networking device or end station. NetFlow identifies packet flows for both ingress and egress IP packets. Feature Information for NetFlow PXF Timers Restrictions for NetFlow PXF TimersĬonfiguration of the NetFlow PXF timers is not supported for customer use without Cisco Technical Assistance Center (TAC) authorization.Configuration Examples for NetFlow PXF Timers.

If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear. Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the "Feature Information for NetFlow PXF Timers" section.įinding Support Information for Platforms and Cisco IOS Software Images Your Cisco IOS software release may not support all of the features documented in this module.

ACTIVE TIMER WHEN USING NETFLOW HOW TO

This feature module describes how to configure the timers for active and inactive flow entries in the Cisco IOS NetFlow cache on the Parallel eXpress Forwarding (PXF) processor of the Cisco 10000 series router.įinding Feature Information in This Module