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"Cisco 871, private net, NAT & internet"
Отправлено pahan, 23-Янв-07 11:15 
  Здравствуйте, уважаемые.

  Столкнулся с непонятной ситуевиной. Есть Cisco 871, конфиг следующий:

version 12.3                                                                    
no service pad                                                                  
service timestamps debug datetime msec                                          
service timestamps log datetime msec                                            
no service password-encryption                                                  
!                                                                              
hostname *********
!                                                                              
boot-start-marker                                                              
boot-end-marker                                                                
!                                                                              
logging buffered 51200 warnings                                                
!                                                                              
username ********* privilege 15 secret 5 ************
no aaa new-model                                                                
ip subnet-zero                                                                  
ip cef                                                                          
!                                                                              
!                                                                              
no ip domain lookup                                                            
ip ssh time-out 60                                                              
ip ssh rsa keypair-name SSH_ALL                                                
ip ssh version 2                                                                
no ftp-server write-enable                                                      
!                                                                              
interface FastEthernet0                                                        
no ip address                                                                  
no cdp enable                                                                  
spanning-tree portfast                                                        
!                                                                              
interface FastEthernet1                                                        
no ip address                                                                  
no cdp enable                                                                  
!                                                                              
interface FastEthernet2                                                        
no ip address                                                                  
no cdp enable                                                                  
!                                                                              
interface FastEthernet3                                                        
no ip address                                                                  
no cdp enable                                                                  
!                                                                              
interface FastEthernet4                                                        
description $ES_WAN$                                                          
ip address 100.100.100.100 255.255.255.192                                      
ip access-group 101 in                                                        
ip nat outside                                                                
ip virtual-reassembly                                                          
duplex auto                                                                    
speed auto                                                                    
no cdp enable                                                                  
!                                                                              
interface Vlan1                                                                
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$                              
ip address 192.168.0.1 255.255.255.0                                          
ip access-group 100 in                                                        
ip nat inside                                                                  
ip virtual-reassembly                                                          
ip tcp adjust-mss 1452                                                        
!                                                                              
interface Vlan2                                                                
ip address 192.168.1.1 255.255.255.0                                          
ip virtual-reassembly                                                          
ip tcp adjust-mss 1452                                                        
!                                                                              
ip classless                                                                    
ip route 0.0.0.0 0.0.0.0 100.100.100.100
!                                                                              
ip http server                                                                  
ip http authentication local                                                    
ip http secure-server                                                          
ip http timeout-policy idle 5 life 86400 requests 10000                        
ip nat inside source list 10 interface FastEthernet4 overload                  
!                                                                              
access-list 10 permit 192.168.0.0 0.0.0.255                                    
access-list 100 permit ip host 192.168.0.2 host 192.168.0.1                    
access-list 100 deny   tcp 192.168.0.0 0.0.0.255 any eq 135                    
access-list 100 deny   tcp 192.168.0.0 0.0.0.255 any eq 445                    
access-list 100 permit ip 192.168.0.0 0.0.0.255 any                            
access-list 101 deny   tcp any host 100.100.100.100 eq 22                        
access-list 101 deny   tcp any host 100.100.100.100 eq telnet                    
access-list 101 deny   tcp any host 100.100.100.100 eq www                        
access-list 101 permit ip any any                                              
no cdp run                                                                      
!                                                                              
control-plane                                                                  
!                                                                              
!                                                                              
line con 0                                                                      
login local                                                                    
no modem enable                                                                
transport preferred all                                                        
transport output all                                                          
line aux 0                                                                      
transport preferred all                                                        
transport output all                                                          
line vty 0 4                                                                    
privilege level 15                                                            
login local                                                                    
transport preferred all                                                        
transport input telnet ssh                                                    
transport output all                                                          
!                                                                              
scheduler max-task-time 5000                                                    
end                                                                            

Глюк самый большой. При включении машины внутри приватной сети, с нее выйти никуда нельзя до тех пор, пока не пропингаешь шлюз и внешний адрес Cisco. После пингов все с внешнего мира прекрасно начинает бегать. После перезагрузки компьютера опять приходится запускать пинги.

2-е. SSH сконфигурен как написано, не дает подключиться, ругается.

3-е. А умеет эта киска прикручивать vlan-ы к fastethernet0-3? Очень хочется...

  Заранее спасибо

 

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