ADTRAN FNID Información técnica descargar pdf (Pagina 14)

Configuring ITM and Top Traffic Using the GUI Integrated Traffic Monitoring

2. In the Sample One-Out-Of field, enter the number of packets that will flow between data collection.

The range of packets is 1 to 255. If 1 is entered, every packet in a flow will be collected. If any number

up to 255 is collected, that number of packets will pass before another packet is collected.

3. Select the Sampling Type (random or deterministic).

Selecting random indicates that a packet collected from the packet flow will not be the same one every

time. For example, if random is selected, although 1 out of every 50 packets is collected, it will not be

the fiftieth packet every time, but will be a random packet between 1 and 100. Random sampling

provides a more accurate view of traffic flow patterns.

Selecting deterministic indicates that the packet collected from the packet flow will be the same one

every time. For example, if deterministic is selected, the 1 packet collected out of 50 will be the fiftieth

every time. Because of cyclical traffic patterns often found in networks, deterministic sampling

performs faster than random sampling but includes a risk of less accurate results.

4. Determine if traffic flow entry expiration defaults need to be changed.

For users of large routers (the NetVanta 5305 for example) sampling at a rate greater than

or equal to one out of every 100 packets is recommended.

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ADTRAN FNID Información técnica Pagina 14