Instruction manual

Chapter 2 Installation, Configuration and Management
NetScaler 9000 Series Installation and Configuration Guide - Volume 1 2-61
NSICG60_DEC04
Note: The eighth enterprise specific trap for syn_flood is also available.
Remove Traps
To stop trap notice(s) from being sent to server(s) enter the following CLI
command:
rm trap (generic | specific) <trapDestination>...
where
z (generic | specific) is the trap type.
z <trapDestination> is the IP address of the client that will not
receive trap message(s).
View Traps
To view the traps enabled on the NetScaler 9000 system and the list of
clients receiving the trap notice(s), enter the following CLI command:
show trap
The trap type and the corresponding client IP addresses are displayed on
the screen.
5. Set the threshold for traps by entering the following CLI command:
set snmp alarm <trapName> <thresholdValue>
[-normalValue <positive_integer>] [-time
<secs>][-state ( ENABLED | DISABLED )]
Where <trapName> = ( CPU | MEMORY | SYNFLOOD |
VSERVER-REQRATE | SERVICE-REQRATE | ENTITY-RXRATE |
ENTITY-TXRATE | ENTITY-SYNFLOOD )
entitySynflood This trap is sent when the number of
unacknowledged SYN packets for a
vserver/service exceeds a threshold
value.
entitySynfloodNormal This trap is sent when the number of
unacknowledged SYN packets for a
vserver/service returns to normal.
Specific trap Name Description