Using Traffic Monitor Graphs : Using the Flood Drops graphs : Using the Flood Drops Layer 3 graphs
 
Using the Flood Drops Layer 3 graphs
You use the Flood Drops graphs to monitor drops due to SPP thresholds that detect flood attacks. Layer 3 floods include ICMP floods, TCP floods, and fragment floods.
Table 38 summarizes the statistics displayed in Flood Drops: Layer 3 graph. Figure 51 shows the graph.
You can customize the following query terms: SPP and period.
Before you begin:
• You must have Read-Write permission for Log & Report settings.
To display the graphs:
• Go to Monitor > Flood Drops > Layer 3.
 
Table 38: Flood Drops: Layer 3
Statistic
Description
Protocols
Aggregation of drops due to protocols thresholds. These counters track the packet rate for each protocol.
To view statistics for a specific protocol, go to Monitor > Layer 3 > Protocols.
Fragmented Packets
Drops due to the fragment threshold. This counter tracks packet fragments received.
For a detailed graph, go to Monitor > Layer 3 > Fragmented Packets.
Source Flood
Drops due to the most-active-source threshold. This counter tracks packets from source IP addresses.
For a detailed graph, go to Monitor > Layer 3 > Most Active Source.
Misc. Source Flood
Drops due to hash attacks or memory attacks on the FortiDDoS source tracking table.
For detailed hash attack and memory graphs, go to Monitor > Hash Attack Drops and Monitor > Out of Memory Drops.
If you observe hash attacks or memory attacks, contact Fortinet for assistance.
Destination Flood
Drops due to the most-active-destination threshold. This counter tracks packets to destination IP addresses.
For a detailed graph, go to Monitor > Layer 3 > Most Active Destination.
Misc. Destination Flood
Drops due to hash attacks or memory attacks on the FortiDDoS destination tracking table.
For detailed hash attack and memory graphs, go to Monitor > Hash Attack Drops and Monitor > Out of Memory Drops.
If you observe hash attacks or memory attacks, contact Fortinet for assistance.
Figure 51: Flood Drops: Layer 3