Status and Statistics
Managing RMON
21 Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3
2
Configuring RMON History
The RMON feature enables monitoring statistics per interface.
The History Control Table page
defines the sampling frequency, amount of
samples to store and the port from where to gather the data.
After the data is sampled and stored, it appears in the History Table page that can
be viewed by clicking History Table.
To enter RMON control information:
STEP 1 Click Status and Statistics > RMON > History. The fields displayed on this page
are defined in the Add RMON History page, below. The only field is that is on this
page and not defined in the Add page is:
• Current Number of Samples—RMON is allowed by standard to not grant all
requested samples, but rather to limit the number of samples per request.
Therefore, this field represents the sample number actually granted to the
request that is equal or less than the requested value.
STEP 2 Click Add.
STEP 3 Enter the parameters.
• New History Entry—Displays the number of the new History table entry.
• Source Interface—Select the type of interface from which the history
samples are to be taken.
• Max No. of Samples to Keep—Enter the number of samples to store.
• Sampling Interval—Enter the time in seconds that samples are collected
from the ports. The field range is 1-3600.
• Owner—Enter the RMON station or user that requested the RMON
information.
STEP 4 Click Apply. The entry is added to the History Control Table page
,
and the Running
Configuration file is updated.
STEP 5 Click History Table to view the actual statistics.
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