This area will help fast track you in planning, setting up and managing NetFlow in your environment. NetFlow is an embedded instrumentation within Cisco IOS Software to characterize network operation.

Network specialists of various levels within an organization need to be able to report on traffic traversing sites, key links and data centers without deploying probes. They use NetFlow Auditor powered by DigiToll’s unique methods of collection to capture and analyze every NetFlow record with aggregation options and small footprint real-time and long-term storage. From Telco to SME you will recognize the superior reliability and performance of the DigiToll NetFlow Auditing solutions, as well as the management benefits offered.

Configure NetFlow/sFlow - Vyatta

http://www.vyatta.com/downloads/vc6-alpha2/vc6-alpha2-release-notes.pdf

Configuration
    system {
      accounting {
        interface <ifname> { # multi-value
          sampling-rate <u32> # sample 1 in N packets, default
        }
        syslog-facility facility
        netflow {
          version <1|5|9> # default 5
          engine-id <u32> # 0-255
          server <ipv4> { # NetFlow Auditor Collector IP multi-value
            port <u32> # Set to 2055 for easy NetFlow Auditor setup.
          }
          timeout {
            expiry-interval <u32> # default 60
            flow-generic <u32> # default 3600
            icmp <u32> # default 300
            max-active-life <u32> # default 604800
            tcp-fin <u32> # default 300
            tcp-generic <u32> # default 3600
            tcp-rst <u32> # default 120
            udp <u32> # default 300
          }
        }

        sflow {
          agentid <u32>
          server <ipv4> { # NetFlow Auditor Collector IP. multi-value
            port <u32> # default 6343. Set to 6343 for easy NetFlow Auditor setup.
          }
        }

      }

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