#Active timer on netflow full#
Two flow modes are supported: full and sampled for layer-2 and layer-3 NetFlow collection.NetFlow command-line interface (CLI) configuration and verification commands are not available until you enable the NetFlow feature with the feature netflow command.In Cisco IOS Software, Reflexive ACLs, NAT, TCP Intercept, SLB, and WCCP have dependencies on the flow mask configuration. Non NetFlow features do not have any dependencies on NetFlow.The NetFlow feature supports stateful process restarts and In-Service-Software-Upgrades (ISSU) if two supervisors are present in a chassis.Important Cisco NX-OS and Cisco IOS Software Differences Cisco NX-OS supports a flexible architecture that allows an administrator collect different data for different applications per interface. NetFlow provides flow-based statistics collection that is useful for troubleshooting, traffic analysis, performance monitoring, and security threat prevention. More details of this and of the sup2T can be obtained from It should be noted that the Catalyst 6500 range now ships a new supervisor, the sup2T, which supports Flexible NetFlow in a similar manner to the NX-OS Software. Please refer to the NX-OS documentation on for a complete list of supported features. Sample configurations are included for Cisco NX-OS and Cisco IOS Software for some common features to demonstrate the similarities and differences. This tech note outlines the main differences in NetFlow between Cisco® NX-OS Software and Catalyst 6500 Sup720/Sup32 running Cisco IOS® Software.
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