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R3204P16-HP Load Balancing Module System Maintenance Configuration Guide-6PW101

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Item Descri
p
tion
Log Host
Configura
tion
Log Host 1
Set the IPv4 addresses, and port number and the VPN instance of the Userlog log
host to encapsulate flow logs in UDP packets and send them to the specified userlog
log host. The log host can analyze and display the flow logs to remotely monitor the
LB module. You can specify up to two different userlog log hosts. If you specify two
log hosts with the same IP address, the system will prompt an error message.
IMPORTANT:
To avoid collision with the common UDP port numbers, you are recommended to use a
UDP port number in the range from 1025 to 65535.
Log Host 2
Output flows logs to
information center
Set to output flow logs to the information center in the format of system information.
IMPORTANT:
• With this function enabled, flow logs will not be output to the specified userlog
log host.
• Outputting flow logs to the information center occupies the storage space of the
LB module. Therefore, you are recommended to output flow logs to the
information center in case that there are a small amount of flow logs.
Displaying flow logging statistics
If you set to send flow logs in UDP packets to the specified userlog log host, you can view the related
statistics, including the total number of flow logs sent to the log host, the total number of UDP packets and
the total number of flow logs stored on the cache of the LB module.
If you click the Statistics expansion button on the Flow Log page, you can view the information as shown
in Figure 11.
Y
ou can clear all the flow logging statistics of the LB module and the flow logs in the cache by clicking
Reset.
Figure 11 View flow logging statistics
Configuring flow logs at the CLI
Flow logging configuration task list
Complete the following tasks to configure flow logging:
Task Remarks
Configuring flow logging version Optional
Configuring the source address for flow logging packets Optional
Exporting flow logs
Exporting flow logs to a log server
Required
Use either approach
Exporting flow logs to information center