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Matt
Asked: 2016-08-25 00:27:07 +0800 CST

What is the difference between the "Write" and "Write+" modes on an APC SNMP card?

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I'm configuring a UPS to be controllable via SNMP and have come across to options:

  • Write mode
  • Write+ mode

I've tested both settings and only Write+ works for me so it's what I'll have to use. I'm interested to know what exactly Write+ enables as opposed to just the regular Write mode though.

mode selection page

snmp ups permissions apc

2 Answers

  1. Best Answer

    A user with write+ access can issue SNMP writes when another user is logged into the web interface, a user with write cannot. SNMP reads are unaffected.

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  2. from the PDU HELP:

    • Read: GETS only, at any time
    • Write: GETS at any time, and SETS when no user is logged onto the Web interface or command line interface.
    • Write+: GETS and SETS at any time.
    • Disable: No GETS or SETS at any time.
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