Displaying Statistics Due Dos Attacks; Clear Dos Attack Statistics - Dell PowerConnect B-RX Configuration Manual

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Displaying statistics due DoS attacks

Displaying statistics due DoS attacks
To display information about ICMP and TCP SYN packets dropped, passed, and block because burst
thresholds were exceeded.
BigIron RX(config-if-e1000-3/5)# show statistics dos-attack
Collecting transit DOS attack statistic for port 3/5...
------ DOS Attack Prevention Statistics ------
Port
-----
3/5
The display shows the following.
Port
Packet Drop Count
Packet Pass Count
Port Block Count
Syntax: show statistics dos-attack [| begin <expression> | exclude <expression> | include

Clear DoS attack statistics

To clear statistics about ICMP and TCP SYN packets dropped because burst thresholds were
exceeded.
BigIron RX(config)# clear statistics dos-attack
Syntax: clear statistics dos-attack
988
Packet Drop Count
-----------------
12479732
Port number
Number of packets that are dropped when the port is in lockup mode.
Number of packets that are forwarded when the port is in rate-limiting mode.
Number of times the port was shut down for the particular traffic flow that
matched the ACL.
<expression>]
Packet Pass Count
------------------
436372
Completed successfully.
Port Block Count
----------------
232
BigIron RX Series Configuration Guide
53-1001810-01