Huawei MA5600 Manual page 23

NGN Cases
within 180s, no DoS attack occurs (To CPU packet <= 20pps), the port will be removed from the
blacklist and the restriction will be released. In addition, a recovery alarm is generated.
Suggestions and
(1) The system can prevent the subscribers from implementing the DoS attack by using various
Summary:
types of control packet, including the PPPoE discover, DHCP, ARP, ICMP, IGMP, PPP LCP
and BPDU packets.
(2) The system supports up to 1024 items in the DoS attack blacklist.
(3) When the DoS attack occurs, the system will generate an alarm within 20s.
(4) For MA5600V300R003/V300R002, the anti DoS attack function is enabled in the same way.
(5) The system generates an alarm when a DoS attack occurs or disappears.
display alarm list from 0x29000008 to 0x29000009
---------------------------------------------------------
ALARMID OUTPUT STATISTIC ALARM_NAME
---------------------------------------------------------
0x29000008 YES NO DOS attack appears
0x29000009 YES NO DOS attack disappears
---------------------------------------------------------
1.15 FAQ-Precautions for Modifying the ADSL Line Profile of the MA5600
Title: FAQ-Precautions for Modifying the ADSL Line Profile of the MA5600
ID: SE0000383784
Information
Troubleshooting Cases
Type :
Product Family: Broadband Access
Fault Type: ADSL Access Service
Keywords: Line profile, take effect, line-profile modify
Permission Level: 03Equipment Users Permission
Phenomenon Descr
Q:
iption:
What are the precautions for modifying the ADSL line profile of the MA5600?
Alarm Informatio
Null
n:
Cause Analysis: Null
Handling Proces
A:
s:
1. Run the adsl line-profile modify command to modify the ADSL line profile of the MA5100 or
MA5300. After the modification, the system displays the message "Do you want to make it
effect?(y/n) [n]:". If you enter N, the modified line profile takes effect after the ports are
activated next time. If you enter Y, the system immediately resets all the ADSL ports that
reference the line profile to validate the modified profile.
2. Run the adsl line-profile modify command to modify the ADSL line profile of the MA5600.
After the modification, the system displays the message "Modify profile x successfully, and new
setting is taking effect now." Then, the system immediately resets all the ADSL ports that
reference the line profile to validate the modified profile.
Suggestions and
Run the adsl line-profile modify command to modify the ADSL line profile of the MA5600.
Summary:
After the modification, the system immediately resets all the ADSL ports that reference the line
profile to validate the modified profile.
It is recommended that this operation be performed when the traffic is small to minimize the
effect.
18
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Chapter 1 MA5600 Cases
Quality Level:
C
Product: SmartAX MA5600