关于C3550EMI请高手帮忙...

我配了四个VLAN，分别是V1、V2、V3、V4。在V1中有一台DC和10台PC，PC是加入域的，V1中的电脑可以正常访问DC也可以相互访问，V2、3、4中分别有十台电脑，原来也是加入域的，可是现在它们不能相互访问了，PING是通的，PING DC也是通的，可是访问时提示无法通过验证，不知是什么原因。

我把配置文件贴出来请大家帮我看看 Switch#show run Building configuration... Current configuration : 5571 bytes ! version 12.1 no service pad service timestamps debug uptime service timestamps log datetime no service password-encryption service sequence-numbers ! hostname Switch ! enable secret 5 $1$zQzp$8uWq/TPLeaqJjKEd9aEk8/ ! ip subnet-zero ip routing ip name-server 202.101.172.35 ! cluster enable cisco 0 ! spanning-tree mode pvst spanning-tree extend system-id ! ! ! interface FastEthernet0/1 switchport mode access no ip address ! interface FastEthernet0/2 switchport mode access no ip address ! interface FastEthernet0/3 switchport mode access no ip address ! interface FastEthernet0/4 switchport mode access no ip address ! interface FastEthernet0/5 switchport mode access no ip address ! interface FastEthernet0/6 switchport mode access no ip address ! interface FastEthernet0/7 switchport mode access no ip address ! interface FastEthernet0/8 switchport mode access no ip address ! interface FastEthernet0/9 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/10 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/11 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/12 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/13 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/14 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/15 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/16 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/17 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/18 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/19 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/20 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/21 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/22 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/23 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/24 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/25 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/26 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/27 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/28 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/29 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/30 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/31 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/32 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/33 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/34 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/35 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/36 switchport access vlan 2 switchport mode access no ip address ! interface FastEthernet0/37 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/38 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/39 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/40 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/41 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/42 switchport access vlan 3 switchport mode access no ip address ! interface FastEthernet0/43 switchport access vlan 4 switchport mode access no ip address ! interface FastEthernet0/44 switchport access vlan 4 switchport mode access no ip address ! interface FastEthernet0/45 switchport access vlan 4 switchport mode access no ip address ! interface FastEthernet0/46 switchport access vlan 4 switchport mode access no ip address ! interface FastEthernet0/47 switchport access vlan 4 switchport mode access no ip address ! interface FastEthernet0/48 no switchport ip address 192.168.4.253 255.255.255.0 ! interface GigabitEthernet0/1 switchport access vlan 5 switchport mode access no ip address ! interface GigabitEthernet0/2 switchport access vlan 5 switchport mode access no ip address ! interface Vlan1 ip address 192.168.0.254 255.255.255.0 ! interface Vlan2 ip address 192.168.1.254 255.255.255.0 ! interface Vlan3 ip address 192.168.2.254 255.255.255.0 ! interface Vlan4 ip address 192.168.3.254 255.255.255.0 ip access-group 1 in ! interface Vlan5 ip address 192.168.5.254 255.255.255.0 ! router rip network 192.168.0.0 network 192.168.1.0 network 192.168.2.0 network 192.168.3.0 network 192.168.4.0 ! ip classless ip route 0.0.0.0 0.0.0.0 192.168.4.254 ip http server ! ip access-list extended CMP-NAT-ACL dynamic Cluster-HSRP deny ip any any dynamic Cluster-NAT permit ip any any ! ! ! line con 0 exec-timeout 0 0 line vty 0 4 password login line vty 5 15 password login !