Using the Out of Memory Drops graphs
Use the Out of Memory Drops graphs to monitor drops due to memory attacks on the FortiDDoS system.
If Layer 3 or Layer 4 graphs report any dropped traffic, contact Fortinet for assistance. DNS Out of Memory drops are not uncommon during DNS Response Floods are not harmful to the system nor to legitimate traffic.
Customize the graph with the following viewing parameters: SPP, Reporting Period (1-hr to 1-yr), Linear/Logarithmic Y-Axis.
Placing the cursor on the Monitor graph will display a tool-tip with additional information.
Before you begin:
- You must have Read permission for the Monitor menu.
- Refer to Reading Monitor graphs to understand the graphs in detail.
To display the graphs:
- Go to Monitor > Drops Monitor > SPP > Out of Memory Drops Tab > [SPP] [Aggregate/Layer 3/4/7] [Y-Axis View] [Reporting Period].
|
Statistic |
Description |
|---|---|
|
Aggregate |
Aggregation of all Out of Memory drops for:
|
|
Layer 3 |
Drops due to Out of Memory for:
|
|
Layer 4 |
Drops due to TCP Out of Memory (Connection Table) |
|
Layer 7 |
|
|
Aggregate |
Drops due to TCP Out of Memory |
|
DNS |
Drops due to TCP Out of Memory |