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Resource Model Reference

High Fragment Ratio

This indication is sent when the ratio between fragmented datagrams received to total datagrams received is greater than the High Fragment Ratio threshold. This ratio rises the more the local network becomes congested, particularly with IP.

This particular indication is more of an informative indication, as it is usually a result of some other bottleneck. Indications coming from the Network Interface Card resource model can help determine the cause.

The indication has the following attributes:

FragsToDGRatio: The ratio of fragmented datagrams to total datagrams
DGReceivedSec: The number of datagrams received per second
DGSentSec: The number of datagrams being sent per second
DGSec: The number of datagrams transmitted per second
FragReceivedSec: The number of fragmented datagrams received per second
FragReassembledSec: The number of fragmented datagrams reassembled per second

The indication is generated when the following threshold is exceeded:

Threshold	Description	Default
High Fragment Ratio (HighFragRatio)	This threshold indicates a ratio between fragmented datagrams and datagrams received whole. It is used to determine when this value becomes too high.	80

The following table shows the default settings for this indication:

Setting	Default
Send indications to Tivoli Enterprise Console	Yes
Send indications to Tivoli Business Systems Manager	No
Occurrences	6
Holes	1

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