SnmpSender snmpSender = SnmpSender.builder()
                .ioStrategy(IoStrategy.NIO)             //NIO策略
                .multi(1)                               //IO线程组线程个数（决定起多少selector选择器）
                .workerPool("snmp-msg-process-pool",   //后置异步解码线程池
                        1, 3,
                        Duration.ofSeconds(60),
                        1024
                )
                .retry(0)                               //失败重试次数
                .reqTimeoutMills(800)                   //请求超时时长
                .nonRepeaters(0)                        //PDU#nonRepeaters,保持默认0
                .maxRepetitions(24)                     //PDU#maxRepetitions
                .usmUser(Arrays.asList(                 //snmpV3 USM认证账户信息注册
                        new UsmUserEntry("udp:192.168.1.1/161",
                                "user0",
                                UsmEncryptionEnum.SHA, "123456789",
                                UsmEncryptionEnum.AES128, "123456789"
                        ))
                )
                .build();