ZXR10 Alarm Handling Manual
Cause
In case alarm state is Occurred, it indicates that an alarm has
occurred and generally the reason is TCP SYN Waittime changes.
Alarm ProtoType
Description
Alarm occurred
00:00:12 01/01/2001 UTC alarm 29954 occurred %MIX% TCP
SYNWAIT time is changed for defending syn flood attacking! sent
by MCP
29955
Message No.
29955
Default Severity
Level
6
Cause
In case alarm state is Occurred, it indicates that an alarm has
occurred and generally the reason is TCP SYN Waittime restores
to the original value.
Alarm ProtoType
Description
Alarm occurred
00:00:11 01/01/2001 UTC alarm 29955 occurred %MIX% TCP
SYNWAIT time is recovered! sent by MCP
29956
Message No.
29956
Default Severity
Level
5
Alarm Recovery
Available
Alarm Type
QoSAlarm
NM Level
4
Cause
Alarm occurred
The received packet in per unit time is more than the set value.
The command used to set the value is: ZXR10(config-if)#port-up-
send limit[packets num receive-interval num close-interval num].
The mode is interfasce configure mode, the received packet is
counted by number and the time unit is seconds. By default, to
receive 20 packets costing 2 seconds.
Alarm cleared
Recover automatically when the set closing time is over. The con-
figure mode and the value is the same as the above. The time unit
is minutes, it is 5 minutes by default.
Influence
The current port receives much more packets and the port is
closed. After a while, the port opens automatically. The default
waiting time is 5 minutes.
Recommended
Operations
Reduce system load.
Alarm Prototype
Description
\nPort 0x%x CPU Protect Port Upsend Close\nPort 0x%x Cpu Pro-
tect Port Upsend Open 0x%x is the global port number of the in-
terface
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