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Please make sure the Areca's subagent(arecamib) has been created.
(see HowToBuildSubAgent.txt)
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Install and configure ARECA Net-SNMP subagent

[Necessary files]
1. libarclibXX.so ( It depends on the platform and saved in the individual folder) 
2. arecamib ==> Areca's SubAgent
3. arcsnmp.conf

[Configure the snmpd]
Snmpd.conf is the configuration file which defines how the Net-SNMP SNMP operates.
1. The rocommunity option of snmpd.conf is necessary for areca subagent.
2. Add "master agentx" into snmpd.conf
3. Add "agentXTimeout 60" into snmpd.conf
4. Add "agentXRetries 10" into snmpd.conf

[Start the Areca's SubAgent]
Step1: Copy the arcsnmp.conf into /usr/local/share/snmp
Step2: Copy libarclibXX.so into /usr/local/lib and might need to set LD_LIBRARY_PATH to point to /usr/local/lib
Note:  The "XX" of the shared-library name {libarclibXX.so} has to be replaced with ¡§32¡¨ or ¡§64¡¨ depends on current platform.
Step3: Start Areca's SubAgent by running 'arecamib'


[Extra Information(Optional)]
Send the signal SIGHUP to the Areca's subagent process.
  a. Use ¡¥ps ¡Vax¡¦ to obtain the areca PID number
  b. Use ¡¥kill ¡VHUP PID¡¦ to force Areca's subagent to reconfig.
    
Edit the snmpd.conf using ether ¡¥snmpconf¡¦ tool or by hand.
  a. Run 'snmpconf ¡Vg basic_setup'
  b. Crafting a configuration by hand, if you don¡¦t need SNMP V3 this is fairly easy.