Sflow; Overview - Dell Force10 Z9000 Configuration Manual

Ftos configuration guide for z9000 system

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sFlow

Enable and Disable sFlow on page 843

sFlow Show Commands on page 844

Specify Collectors on page 846

Polling Intervals on page 846

Sampling Rate on page 846

Back-off Mechanism on page 848

sFlow on LAG ports on page 848

Extended sFlow on page 848

FTOS supports sFlow version 5. sFlow is a standard-based sampling technology embedded within

switches and routers which is used to monitor network traffic. It is designed to provide traffic monitoring

for high speed networks with many switches and routers. sFlow uses two types of sampling:

Statistical packet-based sampling of switched or routed packet flows.

Time-based sampling of interface counters.

The sFlow monitoring system consists of an sFlow Agent (embedded in the switch/router) and an sFlow

collector. The sFlow Agent resides anywhere within the path of the packet, and combines the flow samples

and interface counters into sFlow datagrams and forwards them to the sFlow Collector at regular intervals.

The datagrams consists of information on, but not limited to, packet header, ingress and egress interfaces,

sampling parameters, and interface counters.

Packet sampling is typically done by the ASIC. sFlow Collector analyses the sFlow datagrams received

from different devices and produces a network-wide view of traffic flows.

is supported on platforms:

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