PySNMP是一个基于Python的SNMP库,用于实现SNMP协议的各种功能。SNMP(Simple Network Management Protocol)是一种用于网络设备管理的协议,它允许管理者监控和控制网络设备。
使用PySNMP获取陷阱发送者的IP的步骤如下:
from pysnmp.hlapi import *
receiver_address = '0.0.0.0'
receiver_port = 162
snmp_engine = SnmpEngine()
snmp_trap_receiver = UdpTransportTarget((receiver_address, receiver_port))
def trap_handler(snmp_engine, snmp_trap_receiver, var_binds, **kwargs):
for var_bind in var_binds:
if var_bind[0].prettyPrint() == 'SNMPv2-MIB::sysName.0':
sender_ip = kwargs['transportAddress'][0]
print("Trap sender IP:", sender_ip)
snmp_engine.registerTrapReceiver(trap_handler, snmp_trap_receiver)
snmp_engine.transportDispatcher.runDispatcher()
完整的代码示例:
from pysnmp.hlapi import *
receiver_address = '0.0.0.0'
receiver_port = 162
snmp_engine = SnmpEngine()
snmp_trap_receiver = UdpTransportTarget((receiver_address, receiver_port))
def trap_handler(snmp_engine, snmp_trap_receiver, var_binds, **kwargs):
for var_bind in var_binds:
if var_bind[0].prettyPrint() == 'SNMPv2-MIB::sysName.0':
sender_ip = kwargs['transportAddress'][0]
print("Trap sender IP:", sender_ip)
snmp_engine.registerTrapReceiver(trap_handler, snmp_trap_receiver)
snmp_engine.transportDispatcher.runDispatcher()
这段代码将监听IP地址为0.0.0.0,端口号为162的SNMP陷阱消息,并从中提取发送者的IP地址。你可以根据实际需求进行修改和扩展。
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