IPSec scale config script over Cisco Router

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原创最新推荐文章于 2026-11-09 11:38:20 发布 845 阅读 AI 写同款· GEO 优化 ›

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该脚本支持了SVTI模式的config scale

from xml.dom import minidom
from ftplib import FTP
import telnetlib
import sys
import time
import logging
import os
import re
import platform
import string

class IPSecConfigScale:
    def __init__(self, tunnel, mode):
        self.__tunnel_number__ = int(tunnel)
        self.__mode__ = mode
        
        self.__vlan_start__ = 2000
        
        self.__ip_wan_A__ = '50.1.'
        self.__ip_wan_B__ = self.__ip_wan_A__
        self.__ip_lan_A__ = '172.16.'
        self.__ip_lan_B__ = '172.17.'
        self.__netmask__ = '255.255.255.0'
        self.__wildcard__ = '0.0.0.255'
        self.__interface_lan_A__ = 'GigabitEthernet2.'
        self.__interface_wan_A__ = 'GigabitEthernet3.'
        self.__interface_lan_B__ = 'GigabitEthernet2.'
        self.__interface_wan_B__ = 'GigabitEthernet3.'
        
        self.__vlan_lan_A__ = 2000
        self.__vlan_wan__ = 3000
        self.__vlan_lan_B__ = 4000
        
        self.__eigrp_as__ = 1000
        
        return
        
    def run(self):
    	print 'tunnel is %s' % self.__tunnel_number__
    	print 'mode is %s' % self.__mode__
    	
    	if self.__tunnel_number__ >= 255:
    	    print 'ERROR, %s is not supported' % self.__tunnel_number__

    	if mode == 'ikev2':
    		self.__scale_ikev2_config__(ip_lan_local_in = self.__ip_lan_A__, 
    		    ip_wan = self.__ip_wan_A__, 
    		    ip_lan_remote_in=self.__ip_lan_B__, 
    		    interface_lan = self.__interface_lan_A__, 
    		    interface_wan = self.__interface_wan_A__, 
    		    vlan_lan_in=self.__vlan_lan_A__, 
    		    vlan_wan_in=self.__vlan_wan__, 
    		    role=1)
    		self.__scale_ikev2_config__(ip_lan_local_in = self.__ip_lan_B__, 
    		    ip_wan = self.__ip_wan_B__, 
    		    ip_lan_remote_in=self.__ip_lan_A__, 
    		    interface_lan = self.__interface_lan_B__, 
    		    interface_wan = self.__interface_wan_B__, 
    		    vlan_lan_in=self.__vlan_lan_B__, 
    		    vlan_wan_in=self.__vlan_wan__, 
    		    role=2)
    	elif mode == 'svti':
    		self.__scale_svti_config__()
    	else:
    		print '%s is not supported'
    		
    	return

    def __scale_svti_config__(self):
        self.__svti_wan_ip_A__ = '192.168.1.1'
        self.__svti_wan_ip_B__ = '192.168.1.2'
        self.__svti_wan_interface_A__ = 'GigabitEthernet2.880'
        self.__svti_wan_interface_B__ = 'GigabitEthernet0/0/0.880'
                
        self.__svti_interface_loopback__ = 1000
        
        self.__svti_loopback_ip_A__ = '10.1'
        self.__svti_loopback_ip_B__ = '10.2'
        
        self.__svti_tunnel_ip_A__ = '80.1'
        self.__svti_tunnel_ip_B__ = '80.1'
        
        self.__svti_network__ = '255.255.255.0'
        
        
    	print '###################################'
    	print '###################################'
    	print '# config for Cisco Router A:'
    	print 'configure terminal'
    	print 'interface %s' % self.__svti_wan_interface_A__
    	print '  ip address %s %s' % (self.__svti_wan_ip_A__, self.__svti_network__)
    	print 'crypto keyring KEYS'  
    	print '  pre-shared-key address 0.0.0.0 0.0.0.0 key cisco'
    	print 'crypto isakmp policy 10'
    	print ' encr 3des'
    	print ' hash sha256'
    	print ' authentication pre-share'
    	print ' group 2'
    	print ' lifetime 600'
    	print 'crypto isakmp profile ISAKMPP'
    	print '   keyring KEYS'
    	print '   match identity address 0.0.0.0' 
    	print 'crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac'
    	print ' mode tunnel'
    	print 'crypto ipsec profile IPSECPP'
    	print ' set transform-set TS'
    	print ' set isakmp-profile ISAKMPP'
    	
    	for it in range(0, self.__tunnel_number__):
    	    number = self.__svti_interface_loopback__ + it
    	    svti_loopback_ip_A = '%s.%s.1' % (self.__svti_loopback_ip_A__, it)
    	    svti_loopback_ip_B = '%s.%s.1' % (self.__svti_loopback_ip_B__, it)
    	    svti_tunnel_ip_A = '%s.%s.1' % (self.__svti_tunnel_ip_A__, it)
    	    
    	    print 'interface loopback %s' % number
    	    print '  ip address %s %s' % (svti_loopback_ip_A, self.__svti_network__)
    	    
    	    print 'interface tunnel %s' % number
    	    print '  ip address %s %s' % (svti_tunnel_ip_A, self.__svti_network__)
    	    print '  tunnel source loopback %s' % number
    	    print '  tunnel mode ipsec ipv4'
    	    print '  tunnel destination %s' % svti_loopback_ip_B
    	    print '  tunnel protection ipsec profile IPSECPP'

    	print 'end'
    	    	
        print '###################################'
    	print '###################################'
    	print '# config for Cisco Router B:'
    	print 'configure terminal'
    	print 'interface %s' % self.__svti_wan_interface_B__
    	print '  ip address %s %s' % (self.__svti_wan_ip_B__, self.__svti_network__)
    	print 'crypto keyring KEYS'  
    	print '  pre-shared-key address 0.0.0.0 0.0.0.0 key cisco'
    	print 'crypto isakmp policy 10'
    	print ' encr 3des'
    	print ' hash sha256'
    	print ' authentication pre-share'
    	print ' group 2'
    	print ' lifetime 600'
    	print 'crypto isakmp profile ISAKMPP'
    	print '   keyring KEYS'
    	print '   match identity address 0.0.0.0' 
    	print 'crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac'
    	print ' mode tunnel'
    	print 'crypto ipsec profile IPSECPP'
    	print ' set transform-set TS'
    	print ' set isakmp-profile ISAKMPP'
    	
    	for it in range(0, self.__tunnel_number__):
    	    number = self.__svti_interface_loopback__ + it
    	    svti_loopback_ip_A = '%s.%s.1' % (self.__svti_loopback_ip_A__, it)
    	    svti_loopback_ip_B = '%s.%s.1' % (self.__svti_loopback_ip_B__, it)
    	    svti_tunnel_ip_B = '%s.%s.1' % (self.__svti_tunnel_ip_B__, it)
    	    
    	    print 'interface loopback %s' % number
    	    print '  ip address %s %s' % (svti_loopback_ip_B, self.__svti_network__)
    	    
    	    print 'interface tunnel %s' % number
    	    print '  ip address %s %s' % (svti_tunnel_ip_B, self.__svti_network__)
    	    print '  tunnel source loopback %s' % number
    	    print '  tunnel mode ipsec ipv4'
    	    print '  tunnel destination %s' % svti_loopback_ip_A
    	    print '  tunnel protection ipsec profile IPSECPP'

    	print 'end'
    	
    	print '###################################'
    	print '###################################'
    	print '# unconfig for Cisco Router A and B:'
    	print 'configure terminal'
    	
    	for it in range(0, self.__tunnel_number__):
    	    number = self.__svti_interface_loopback__ + it
            print 'no interface tunnel %s' % number
    	    print 'no interface loopback %s' % number

        print 'no crypto ipsec profile IPSECPP'
        print 'no crypto isakmp profile ISAKMPP'
        print 'no crypto keyring KEYS'
        print 'no crypto isakmp policy 10'
        print 'no crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac'

    	print 'end'
        
        return 
    	    	
    def __scale_ikev2_config__(self, ip_lan_local_in='172.16.', 
            ip_wan='50.1.', 
            ip_lan_remote_in='60.1.', 
            interface_lan='GigabitEthernet2.', 
            interface_wan='GigabitEthernet3.', 
            vlan_lan_in=2000, 
            vlan_wan_in=3000, 
            role=1):
    	
    	print '###################################'
    	print '###################################'
    	print '# config for Cisco Router(role: %s):' % role
    	print 'configure terminal'
    	for it in range(0, self.__tunnel_number__):
    	    proposal = 'IKEv2Proposal%s' % it
    	    policy = 'IKEv2Policy%s' % it
    	    key = 'KEY%s' % it
    	    peer = 'PEER%s' % it
    	    profile = 'IKEv2Profile%s' % it
    	    transform_set = 'TS%s' % it
    	    map = 'CMAP%s' % it

    	    vlan_lan = vlan_lan_in + it
    	    vlan_wan = vlan_wan_in + it
    	        	    
    	    if role == 1:
    	        ip_wan_local =  '%s%s.1' % (ip_wan, it) 
    	        ip_wan_remote = '%s%s.2' % (ip_wan, it) 
    	    else:
    	        ip_wan_local =  '%s%s.2' % (ip_wan, it) 
    	        ip_wan_remote = '%s%s.1' % (ip_wan, it) 
    	        
    	    ip_lan_local = '%s%s.%s' % (ip_lan_local_in, it, 1)
    	    ip_lan_remote = '%s%s.%s' % (ip_lan_remote_in, it, 1)
    	        	        
    	    subinterface_lan = '%s%s' % (interface_lan, vlan_lan)
    	    subinterface_wan = '%s%s' % (interface_wan, vlan_wan)
    	    
    	    traffic_acl = 'traffic_acl_%s' % it
    	    
    	    eigrp_as = 1000 +it

    	    # traffic acl
    	    print '# traffic ACL'
            print 'ip access-list extended %s' % traffic_acl
            print ' permit ip host %s any' % ip_lan_local
            print ' permit ip host %s any' % ip_lan_remote
    	    
    	    # ikev2 proposal
    	    print '# IKEv2 proposal'
            print 'crypto ikev2 proposal %s' % proposal
            print '  encryption 3des'
            print '  integrity sha512'
            print '  group 2'
            
            # ikev2 policy
    	    print '# IKEv2 policy'
            print 'crypto ikev2 policy %s' % policy
            print '  proposal %s' % proposal
            
            # ikev2 keyring
    	    print '# IKEv2 keyring'
            print 'crypto ikev2 keyring %s' % key
            print '  peer %s' % peer
            print '    address %s' % ip_wan_remote
            print '    pre-shared-key local cisco123'
            print '    pre-shared-key remote cisco123'
            
            # ikev2 profile
    	    print '# IKEv2 profile'
            print 'crypto ikev2 profile %s' % profile
            print '  match identity remote address %s 255.255.255.255' % ip_wan_remote
            print '  identity local address %s' % ip_wan_local
            print '  authentication local pre-share'
            print '  authentication remote pre-share'
            print '  keyring local %s' % key
            
            # ipsec transform-set
    	    print '# IPSec transform-set'
            print 'crypto ipsec transform-set %s esp-aes 256 esp-sha256-hmac' % transform_set

            # crypto map
    	    print '# crypto map'
            print 'crypto map %s 10 ipsec-isakmp' % map
            print ' set peer %s' % ip_wan_remote
            print ' set transform-set %s' % transform_set
            print ' set ikev2-profile %s' % profile
            print ' match address %s' % traffic_acl
            
            # subinterface wan
    	    print '# wan subinterface'
            print 'interface %s' % subinterface_wan
            print '  encapsulation dot1q %s' % vlan_wan
            print '  ip address %s %s' % (ip_wan_local, self.__netmask__)
            print '  crypto map %s' % map

            # subinterface lan
    	    print '# lan subinterface'
            print 'interface %s' % subinterface_lan
            print '  encapsulation dot1q %s' % vlan_lan
            print '  ip address %s %s' % (ip_lan_local, self.__netmask__)
            
            # static route
            print 'ip route %s 255.255.255.255 %s' % (ip_lan_remote, ip_wan_remote)
            
            print 'end'
    	return
    	
    	
def printHelp():
    print '\nError running command!\n\n'
    print 'Please run it as following indication:'
    print 'COMMAND <tunnel number> [mode]\n'
    print 'For Example:'
    print '    python IPSecConfigScale.py 10 ikev2\n\n'
    
    return -1

if __name__ == "__main__":
    numargs = len(sys.argv) - 1

    if numargs == 0:
    	tunnel = 10
    	mode = 'ikev2'
    elif numargs == 1:
        tunnel = sys.argv[1]
        mode = 'ikev2'
    elif numargs == 2:
        tunnel = sys.argv[1]
        mode = sys.argv[2]
    else:
    	printHelp()
        sys.exit(1)
        
    scale = IPSecConfigScale(tunnel, mode)
    scale.run()

运行情况：

python ipsec_config_scale.py 2 svti
tunnel is 2
mode is svti
###################################
###################################
# config for Cisco Router A:
configure terminal
interface GigabitEthernet2.880
  ip address 192.168.1.1 255.255.255.0
crypto keyring KEYS
  pre-shared-key address 0.0.0.0 0.0.0.0 key cisco
crypto isakmp policy 10
 encr 3des
 hash sha256
 authentication pre-share
 group 2
 lifetime 600
crypto isakmp profile ISAKMPP
   keyring KEYS
   match identity address 0.0.0.0
crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac
 mode tunnel
crypto ipsec profile IPSECPP
 set transform-set TS
 set isakmp-profile ISAKMPP
interface loopback 1000
  ip address 10.1.0.1 255.255.255.0
interface tunnel 1000
  ip address 80.1.0.1 255.255.255.0
  tunnel source loopback 1000
  tunnel mode ipsec ipv4
  tunnel destination 10.2.0.1
  tunnel protection ipsec profile IPSECPP
interface loopback 1001
  ip address 10.1.1.1 255.255.255.0
interface tunnel 1001
  ip address 80.1.1.1 255.255.255.0
  tunnel source loopback 1001
  tunnel mode ipsec ipv4
  tunnel destination 10.2.1.1
  tunnel protection ipsec profile IPSECPP
end
###################################
###################################
# config for Cisco Router B:
configure terminal
interface GigabitEthernet0/0/0.880
  ip address 192.168.1.2 255.255.255.0
crypto keyring KEYS
  pre-shared-key address 0.0.0.0 0.0.0.0 key cisco
crypto isakmp policy 10
 encr 3des
 hash sha256
 authentication pre-share
 group 2
 lifetime 600
crypto isakmp profile ISAKMPP
   keyring KEYS
   match identity address 0.0.0.0
crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac
 mode tunnel
crypto ipsec profile IPSECPP
 set transform-set TS
 set isakmp-profile ISAKMPP
interface loopback 1000
  ip address 10.2.0.1 255.255.255.0
interface tunnel 1000
  ip address 80.1.0.1 255.255.255.0
  tunnel source loopback 1000
  tunnel mode ipsec ipv4
  tunnel destination 10.1.0.1
  tunnel protection ipsec profile IPSECPP
interface loopback 1001
  ip address 10.2.1.1 255.255.255.0
interface tunnel 1001
  ip address 80.1.1.1 255.255.255.0
  tunnel source loopback 1001
  tunnel mode ipsec ipv4
  tunnel destination 10.1.1.1
  tunnel protection ipsec profile IPSECPP
end
###################################
###################################
# unconfig for Cisco Router A and B:
configure terminal
no interface tunnel 1000
no interface loopback 1000
no interface tunnel 1001
no interface loopback 1001
no crypto ipsec profile IPSECPP
no crypto isakmp profile ISAKMPP
no crypto keyring KEYS
no crypto isakmp policy 10
no crypto ipsec transform-set TS esp-aes 256 esp-sha256-hmac
end

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