Cisco inter vlan don't work on a hard materials but it works perfectly on Packet tracert

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i want to make intervlan with cisco 2960 switch version 15.1 and router 1900 series with version 12.2. I have tested this configuration on Packet tracert everything was fine but same configuration don't work on real environment. And i don't know i problem.

here is my router configuration's


Router#show run
Building configuration...

Current configuration : 1415 bytes
!
! Last configuration change at 19:42:25 UTC Thu Jul 18 2019
version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
!
no ipv6 cef
ip source-route
ip cef
!
!
!
!
!
multilink bundle-name authenticated
!
crypto pki token default removal timeout 0
!
!
license udi pid CISCO1921/K9 sn FCZ16299160
!
!
!
!
!
!
!
!
interface Embedded-Service-Engine0/0
 no ip address
 shutdown
!
interface GigabitEthernet0/0
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 duplex auto
 speed auto
!
interface GigabitEthernet0/1.10
 encapsulation dot1Q 10
 ip address 172.3.10.1 255.255.255.0
!
interface GigabitEthernet0/1.20
 encapsulation dot1Q 20
 ip address 172.3.20.1 255.255.255.0
!
interface GigabitEthernet0/1.30
 encapsulation dot1Q 30
 ip address 172.3.30.1 255.255.255.0
!
interface GigabitEthernet0/1.55
 encapsulation dot1Q 55 native
 ip address 172.3.55.1 255.255.255.0
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
!
line con 0
line aux 0
line 2
 no activation-character
 no exec
 transport preferred none
 transport input all
 transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
 stopbits 1
line vty 0 4
 login
 transport input all
!
scheduler allocate 20000 1000
end

Router#

and my switch configuration


Switch#show run
Building configuration...

Current configuration : 2078 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Switch
!
!
no aaa new-model
system mtu routing 1500
ip subnet-zero
!
!
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
interface FastEthernet0/1
 switchport access vlan 10
!
interface FastEthernet0/2
 switchport access vlan 20
!
interface FastEthernet0/3
 switchport access vlan 30
!
interface FastEthernet0/4
 switchport access vlan 55
!
interface FastEthernet0/5
 switchport access vlan 55
!
interface FastEthernet0/6
 switchport access vlan 55
!
interface FastEthernet0/7
 switchport access vlan 55
!
interface FastEthernet0/8
 switchport access vlan 55
!
interface FastEthernet0/9
 switchport access vlan 55
!
interface FastEthernet0/10
 switchport access vlan 55
!
interface FastEthernet0/11
 switchport access vlan 55
!
interface FastEthernet0/12
 switchport access vlan 55
!
interface FastEthernet0/13
 switchport access vlan 55
!
interface FastEthernet0/14
 switchport access vlan 55
!
interface FastEthernet0/15
 switchport access vlan 55
!
interface FastEthernet0/16
 switchport access vlan 55
!
interface FastEthernet0/17
 switchport access vlan 55
!
interface FastEthernet0/18
 switchport access vlan 55
!
interface FastEthernet0/19
 switchport access vlan 55
!
interface FastEthernet0/20
 switchport access vlan 55
!
interface FastEthernet0/21
 switchport access vlan 55
!
interface FastEthernet0/22
 switchport access vlan 55
!
interface FastEthernet0/23
 switchport access vlan 55
!
interface FastEthernet0/24
 switchport access vlan 55
!
interface GigabitEthernet0/1
 switchport trunk native vlan 55
 switchport trunk allowed vlan 10,20,30,55
 switchport mode trunk
!
interface GigabitEthernet0/2
 switchport access vlan 55
!
interface Vlan1
 no ip address
 no ip route-cache
!
interface Vlan55
 ip address 172.3.55.10 255.255.255.0
 no ip route-cache
!
ip default-gateway 172.3.55.1
ip http server
!
control-plane
!
!
line con 0
line vty 5 15
!
end

Switch#

and the vlan


Switch#show vlan brief

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Gi0/1
10   Conference                       active    Fa0/1
20   Camera                           active    Fa0/2
30   User                             active    Fa0/3
55   Management                       active    Fa0/4, Fa0/5, Fa0/6, Fa0/7
                                                Fa0/8, Fa0/9, Fa0/10, Fa0/11
                                                Fa0/12, Fa0/13, Fa0/14, Fa0/15
                                                Fa0/16, Fa0/17, Fa0/18, Fa0/19
                                                Fa0/20, Fa0/21, Fa0/22, Fa0/23
                                                Fa0/24, Gi0/2
1002 fddi-default                     act/unsup
1003 token-ring-default               act/unsup
1004 fddinet-default                  act/unsup
1005 trnet-default                    act/unsup
Switch#

Oumar

Posted 2019-07-23T09:03:43.087

Reputation: 1

No answers