netmiko是python中可用于network device 备份的库，目前支持的设备如下:As of June 2015, Netmiko has support for the following platforms:Cisco IOSCisco IOS-XECisco ASACisco NX-OSCisco IOS-XRCisco WLC (limited testing)Arista EOSHP ProCurveHP Comware (limited testing)Juniper JunosBrocade VDX (limited testing)F5 LTM (experimental)Huawei (limited testing)
下面是一段使用netmiko库登陆ciscorouter 3360 的python代码
from netmiko import ConnectHandler
#要连接设备的信息，顺序不重要
cisco = { 'device_type':'cisco_ios', 'ip':'192.168.60.222', 'username':'admin', 'password': 'password', 'secret':'google', #enable password}#进行ssh连接
connect=ConnectHandler(**cisco) #对于两个*号，我的理解是：ConnectHandler()函数需要在cisco字典里面找"两"个东西,key和对应的value，所以用两个*星号
#如果enable有密码需要在配置连接的时候配置，例如 'secret':'google' ,输入connect.send_command('enable') 是无效的
connect.enable() #相当于进入特权模式output_1 = connect.send_command('show run')print("show run 的输出如下:\n"+output_1)print("----------------------")#输入connect.send_command('config ter')是进不了配置模式的，需要配置直接输入connect.send_config_set('cli')
out_put_2 = connect.send_config_set('ip route 0.0.0.0 0.0.0.0 192.168.60.129') #相当于输入特权模式 + 输入配置命令print("配置默认路由后的输出:\n\n"+out_put_2+"\n\n") #输出配置过程#查看上述的配置是否生效
show_route = connect.send_command('show ip route') #send_command('cli')命令执行的结果只能在本级，不能exit或者 enable、configure terminalprint("查看路由条目:\n"+show_route)1、show run 的输出如下:Building configuration...Current configuration : 874 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msec logging synchronousline aux 0 exec-timeout 0 0 privilege level 15 logging synchronousline vty 0 4 login local!!end----------------------2、配置默认路由后的输出:config termEnter configuration commands, one per line. End with CNTL/Z.R1(config)#ip route 0.0.0.0 0.0.0.0 192.168.60.129R1(config)#endR1#3、查看路由条目:Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static routeGateway of last resort is 192.168.60.129 to network 0.0.0.0C 192.168.60.0/24 is directly connected, FastEthernet0/0S* 0.0.0.0/0 [1/0] via 192.168.60.129Process finished with exit code 0
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