我正在担任网络工程师,我试图使用一些Python脚本自动化例程任务。我们正在使用思科,所以我认为实现Netmiko库会很不错。这是用于连接设备和编辑访问列表的脚本的一部分:
def Connection (DevParameters, device, HostAddress):
try:
net_connect = ConnectHandler(**DevParameters)
except:
print device[0] + ': Authentication failed or device unavailable'
return
access_class = net_connect.send_command("sh run | inc access-class")
if access_class == '':
print device[0] + ': No access-class configured.'
net_connect.disconnect()
return
access_class = access_class.splitlines()[0].split(' ')[-2]
acl_type = net_connect.send_command("sh ip access-list " + access_class).splitlines()[0].split(' ')[0].lower()
net_connect.send_command('configure terminal')
net_connect.send_command('ip access-list ' + acl_type + access_class)
if acl_type == 'extended':
net_connect.send_command('permit tcp host' + HostAddress + ' any eq 22')
elif acl_type == 'standard':
net_connect.send_command('permit ' + HostAddress )
else:
print device[0] + ': Unexpected ACL type. Connection closed.'
net_connect.disconnect()
return
print device[0] + ': Configured.'
net_connect.disconnect
return
它从划分的空闲写作命令行中很好地工作,但是当执行脚本时,它会失败:
Traceback (most recent call last):
File "C:UsersUserDesktopMAT.py", line 145, in <module>
Connection (DevParameters, device, HostAddress)
File "C:UsersUserDesktopMAT.py", line 90, in Connection
net_connect.send_command('configure terminal')
File "C:Program FilesPython27libsite-packagesnetmikobase_connection.py", line 827, in send_command
search_pattern))
IOError: Search pattern never detected in send_command_expect: HQ_F3_2960_D-5#
我尝试在send_command()之后实现sheet(),但无济于事。有什么问题?
我也有类似的问题,但是我用set length 0.
解决了它我分享我的代码,希望为您提供帮助。
extrm_X460 = {
'device_type': 'extreme',
'ip': ip,
'username': 'username',
'password': 'password',
'port' : 22,
}
try:
# Connect
print "Trying to connect to: " + ip
net_connect = ConnectHandler(**extrm_X460)
# Get info
print "Connected to: " + ip
net_connect.send_command('set length 0')
output = net_connect.send_command('show mac port ge.*.*')
print output
except (IOError, EOFError, SSHException, NetMikoTimeoutException, NetMikoAuthenticationException) as e:
print e
continue
使用send_command_timing代替send_command。
- send_command正在检测设备提示(基于模式)(它将与" show"'命令一起使用。
- send_command_timing是基于延迟的,并且不寻找设备提示(将在配置模式[conf t]中使用)
示例:net_connect.send_command_timing