Python：通过SNMP协议获取华为交换机的ARP地址表_不知道oid 可以通过snmp获取交换机的arp信息吗

华为交换机SNMP配置

system-view 进入交换机的配置模式、
[switch]snmp-agent community read huawei 配置community 只读属性为huawei
[switch]snmp-agent community write huawei 配置community 可写属性为huawei
[switch]snmp-agent sys-info version all 配置版本为所有

# coding=utf-8

import sys

try:
    from pysnmp.entity.rfc3413.oneliner import cmdgen
except Exception as e:
    print("You need to download pysnmp and pyasn1", e)
    sys.exit(1)

oTable = {
    "entLogicalCommunity": (1, 3, 6, 1, 2, 1, 47, 1, 2, 1, 1, 4),
    "entPhysicalModelName": (1, 3, 6, 1, 2, 1, 47, 1, 1, 1, 1, 13, 1),
    "entLogicalDescr": (1, 3, 6, 1, 2, 1, 47, 1, 2, 1, 1, 2),
    "dot1dBasePort": (1, 3, 6, 1, 2, 1, 17, 1, 4, 1, 1),
    "dot1dTpFdbPort": (1, 3, 6, 1, 2, 1, 17, 4, 3, 1, 2),
    "dot1dBasePortIfIndex": (1, 3, 6, 1, 2, 1, 17, 1, 4, 1, 2),
    "dot1dTpFdbAddress": (1, 3, 6, 1, 2, 1, 17, 4, 3, 1, 1),
    "ifDescr": (1, 3, 6, 1, 2, 1, 2, 2, 1, 2),
    "ifName": (1, 3, 6, 1, 2, 1, 31, 1, 1, 1, 1),
    "ifSpeed": (1, 3, 6, 1, 2, 1, 2, 2, 1, 5),
    "ifAlias": (1, 3, 6, 1, 2, 1, 31, 1, 1, 1, 18),
    "sysName": (1, 3, 6, 1, 2, 1, 1, 5, 0),
    "sysDescr": (1, 3, 6, 1, 2, 1, 1, 1, 0),
    "dot3StatsDuplexStatus": (1, 3, 6, 1, 2, 1, 10, 7, 2, 1, 19),
    "ifAdminStatus": (1, 3, 6, 1, 2, 1, 2, 2, 1, 7),
    "ifOperStatus": (1, 3, 6, 1, 2, 1, 2, 2, 1, 8),
    "atPhysAddress": (1, 3, 6, 1, 2, 1, 3, 1, 1, 2),
    "ipAdEntAddr": (1, 3, 6, 1, 2, 1, 4, 20, 1, 1),
    "ipAdEntIfIndex": (1, 3, 6, 1, 2, 1, 4, 20, 1, 2),
    "ARP": (1, 3, 6, 1, 2, 1, 3, 1, 1, 2),
    "HW": (1, 3, 6, 1, 2, 1, 4, 22, 1, 2)
}


def walk(dswitch, community, oid):
    """This function will return the table of OID's that I am walking"""
    errorIndication, errorStatus, errorIndex, \
    generic = cmdgen.CommandGenerator().nextCmd(cmdgen.CommunityData('my-agent', community, mpModel=1),
                                                cmdgen.UdpTransportTarget((dswitch, 161)), oid)
    if errorIndication:
        return errorIndication
    return generic


entaddr = walk("192.168.80.1", "huawei", oTable["HW"])

arp_table = []


"""======主函数======"""
# Press the green button in the gutter to run the script.
if __name__ == '__main__':
    for i in entaddr:
        temp = ''
        for j in i:
            temp += str(j)
        temp = temp.replace("SNMPv2-SMI::mib-2.4.22.1.2.", "")
        temp = temp[temp.find('.') + 1:]
        temp = temp.split(' = ')
        arp_table.append(temp)

    # 打印ARP表
    for list_IP_MAC in arp_table:
        print(list_IP_MAC)



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