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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-18864

Maximum size of text filed recieved via SNMP

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    • Icon: Problem report Problem report
    • Resolution: Incomplete
    • Icon: Trivial Trivial
    • None
    • 5.2.3
    • Server (S)
    • None
    • Debian 10 + MariaDB 10.3.27, Debian 10 + PostgreSQL 11.9

      I am getting JSON via SNMP, and I have a trouble with recieving big SNMP packets.

      In documentation (https://www.zabbix.com/documentation/current/manual/config/items/item) says that maximum size of text field is 65kB, but I have trouble when size of message about 1800 byte.

      Experimentally, I found that 1647 byte recieved okay, but more (~1842) - I getting error: "Cannot receive string value: out of memory".

      In log I getting only this information:

      3468:20210112:135508.876 item "TEST-bgp:net.bgp.json" became not supported: Cannot receive string value: out of memory.
      

      Also, I getting big snmp-answer with snmpget correctly:

      root@adm-zabbix-tst01:~# snmpget -v 2c -c test 10.22.132.82 1.3.6.1.4.1.14988.1.1.18.1.1.2.10
      iso.3.6.1.4.1.14988.1.1.18.1.1.2.10 = STRING: "{\"data\":[
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*0\",\"NAME\":\"MTS-peer\",\"ADDRESS\":\"a.a.a.a\",\"AS\":\"65501\",\"STATE\":\"active\",\"UPTIME\":\"\"},
      {\"ID\":\"*1\",\"NAME\":\"SEVEREN-peer\",\"ADDRESS\":\"b.b.b.b\",\"AS\":\"65502\",\"STATE\":\"active\",\"UPTIME\":\"\"}
      ]}"
      
      

            zux Edgars Melveris
            Yacudzer Evgeniy Yakubov
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              Created:
              Updated:
              Resolved: