Cisco 1941 Router-on-a-Stick w/ 11VLANs trunked to a Cisco 2960: From the Switch I can Ping a device in another VLAN, that device cannot ping back. Some devices can ping devices in other VLANs and the device in the other VLAN can successfully return the Ping. Have a look at the attached diagram.
Router Config:
show run
Building configuration...
Current configuration : 7224 bytes
!
! Last configuration change at 09:05:48 EDT Wed Aug 6 2014
version 15.2
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
clock timezone EDT -8 0
!
ip cef
!
!
!
!
!
!
ip name-server 8.8.8.8
no ipv6 cef
multilink bundle-name authenticated
!
!
!
license udi pid CISCO1941/K9
!
!
object-group network Net_Obj_Group1
description This network group allows all 10.0.0.0 and Email Forwarder server through to the Plt PCs
205.191.0.0 255.255.0.0
10.0.0.0 255.0.0.0
!
object-group network Net_Obj_Group2
description This Network Group includes the Host IPs allowed through the Plant Router
host 10.194.28.23
host 10.194.28.25
host 10.194.28.26
host 10.194.28.27
host 10.194.28.28
host 10.194.28.29
host 10.194.28.37
host 10.194.28.39
host 10.194.28.40
host 10.194.28.70
host 10.194.28.130
host 10.194.28.131
host 10.194.28.132
host 10.194.28.133
host 10.194.28.134
host 10.194.28.135
host 10.194.28.136
host 10.194.28.137
host 10.194.28.138
host 10.194.28.139
host 10.194.28.140
host 10.194.28.141
!
!
!
!
!
!
!
interface Embedded-Service-Engine0/0
no ip address
shutdown
!
interface GigabitEthernet0/0
description Port Ge0/0 to IT Enterprise network Switch GE1/0/38
ip address 10.194.28.111 255.255.255.0
ip access-group 105 in
ip access-group 106 out
ip nat outside
ip virtual-reassembly in
shutdown
duplex full
speed auto
no mop enabled
!
interface GigabitEthernet0/1
description Port to Plant PCN-K/L24 Sw1 Port 0/24
no ip address
duplex auto
speed auto
no mop enabled
!
interface GigabitEthernet0/1.102
description Port to VLAN 102
encapsulation dot1Q 102
ip address 192.168.102.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.104
description Port to VLAN 104
encapsulation dot1Q 104
ip address 192.168.104.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.105
description Port to VLAN 105
encapsulation dot1Q 105
ip address 192.168.105.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.106
description Port to VLAN 106
encapsulation dot1Q 106
ip address 192.168.106.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.107
description Port to VLAN 107
encapsulation dot1Q 107
ip address 192.168.107.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.111
description Port to VLAN 111
encapsulation dot1Q 111
ip address 192.168.111.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.117
description Port to VLAN 117
encapsulation dot1Q 117
ip address 192.168.117.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.121
description Port to VLAN 121
encapsulation dot1Q 121
ip address 192.168.121.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.125
description Port to VLAN 125
encapsulation dot1Q 125
ip address 192.168.125.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.150
description Port to to VLAN 150
encapsulation dot1Q 150
ip address 192.168.150.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/1.999
description Port to VLAN 999
encapsulation dot1Q 999
ip address 192.168.0.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
ip forward-protocol nd
!
ip http server
no ip http secure-server
!
ip nat inside source static 192.168.102.201 10.194.28.23
ip nat inside source static 192.168.121.201 10.194.28.25
ip nat inside source static 192.168.106.251 10.194.28.26
ip nat inside source static 192.168.107.245 10.194.28.27
ip nat inside source static 192.168.102.251 10.194.28.28
ip nat inside source static 192.168.150.201 10.194.28.29
ip nat inside source static 192.168.107.179 10.194.28.37
ip nat inside source static 192.168.111.201 10.194.28.39
ip nat inside source static 192.168.105.201 10.194.28.40
ip nat inside source static 192.168.106.21 10.194.28.70
ip nat inside source static 192.168.107.146 10.194.28.130
ip nat inside source static 192.168.107.156 10.194.28.131
ip nat inside source static 192.168.107.161 10.194.28.132
ip nat inside source static 192.168.107.181 10.194.28.133
ip nat inside source static 192.168.107.191 10.194.28.134
ip nat inside source static 192.168.106.202 10.194.28.135
ip nat inside source static 192.168.106.212 10.194.28.136
ip nat inside source static 192.168.117.190 10.194.28.137
ip nat inside source static 192.168.117.100 10.194.28.138
ip nat inside source static 192.168.106.242 10.194.28.139
ip nat inside source static 192.168.125.100 10.194.28.140
ip nat inside source static 192.168.125.99 10.194.28.141
ip nat outside source static 10.194.28.23 10.194.28.23
ip nat outside source static 10.194.28.25 10.194.28.25
ip nat outside source static 10.194.28.26 10.194.28.26
ip nat outside source static 10.194.28.27 10.194.28.27
ip nat outside source static 10.194.28.28 10.194.28.28
ip nat outside source static 10.194.28.29 10.194.28.29
ip nat outside source static 10.194.28.37 10.194.28.37
ip nat outside source static 10.194.28.39 10.194.28.39
ip nat outside source static 10.194.28.40 10.194.28.40
ip nat outside source static 10.194.28.70 10.194.28.70
ip nat outside source static 10.194.28.130 10.194.28.130
ip nat outside source static 10.194.28.131 10.194.28.131
ip nat outside source static 10.194.28.132 10.194.28.132
ip nat outside source static 10.194.28.133 10.194.28.133
ip nat outside source static 10.194.28.134 10.194.28.134
ip nat outside source static 10.194.28.135 10.194.28.135
ip nat outside source static 10.194.28.136 10.194.28.136
ip nat outside source static 10.194.28.137 10.194.28.137
ip nat outside source static 10.194.28.138 10.194.28.138
ip nat outside source static 10.194.28.139 10.194.28.139
ip nat outside source static 10.194.28.140 10.194.28.140
ip nat outside source static 10.194.28.141 10.194.28.141
ip route 0.0.0.0 0.0.0.0 10.194.28.1
!
access-list 105 permit ip object-group Net_Obj_Group1 object-group Net_Obj_Group2
access-list 106 permit ip object-group Net_Obj_Group2 object-group Net_Obj_Group1
dialer-list 1 protocol ip permit
!
!
!
control-plane
!
!
banner login ^CC
Login banner for Plant Router #01^C
banner motd ^CC
MOTD Banner for Plant Router^C
!
line con 0
password XXXXXXXXX
logging synchronous
login
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
password XXXXXXXXX
logging synchronous
login
transport input all
!
scheduler allocate 20000 1000
ntp server 10.199.100.92
!
end
Switch Config:
sh ru
Building configuration...
Current configuration : 6513 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log datetime localtime show-timezone
service password-encryption
!
hostname K24Sw01
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
clock timezone EDT -5
clock summer-time EDT recurring
!
!
udld aggressive
!
!
crypto pki trustpoint TP-self-signed-593746944
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-593746944
revocation-check none
rsakeypair TP-self-signed-593746944
!
!
4B58BCE9 44
quit
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
!
vlan internal allocation policy ascending
!
!
interface FastEthernet0
no ip address
!
interface GigabitEthernet0/1
description Trunk port for vlans 105, 111, 125 and 999 from K24Sw01 port Ge0/1 to P22Sw01 port Ge0/24
switchport trunk allowed vlan 105,111,125,999
switchport mode trunk
!
interface GigabitEthernet0/2
description Trunk port for vlans 150 and 999 from K24Sw01 port Ge0/2 to N25Sw01 port Ge0/26
switchport trunk allowed vlan 150,999
switchport mode trunk
!
interface GigabitEthernet0/3
description Trunk port for vlans 102, 104, 106, 107, 117 and 999 from K24Sw01 port Ge0/3 to K28Sw01 port Ge0/26
switchport trunk allowed vlan 102,104,106,107,117,999
switchport mode trunk
!
interface GigabitEthernet0/4
description Trunk port for vlans 102, 106, 107 and 999 from K24Sw01 port Ge0/4 to H23Sw01 port Ge0/26
switchport trunk allowed vlan 102,106,107,999
switchport mode trunk
!
interface GigabitEthernet0/5
description Trunk port for vlans 121, 125 and 999 from K24Sw01 port Ge0/5 to M21Sw01 port Ge0/24
switchport trunk allowed vlan 121,125,999
switchport mode trunk
!
interface GigabitEthernet0/6
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/7
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/8
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/9
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/10
description VLan 102 access port
switchport access vlan 102
spanning-tree portfast
!
interface GigabitEthernet0/11
description - VLan 104 access port
switchport access vlan 104
spanning-tree portfast
!
interface GigabitEthernet0/12
description - VLan 105 access port
switchport access vlan 105
spanning-tree portfast
!
interface GigabitEthernet0/13
description - VLan 106 access port
switchport access vlan 106
spanning-tree portfast
!
interface GigabitEthernet0/14
description - VLan 107 access port
switchport access vlan 107
spanning-tree portfast
!
interface GigabitEthernet0/15
description - VLan 111 access port
switchport access vlan 111
spanning-tree portfast
!
interface GigabitEthernet0/16
description - VLan 117 access port
switchport access vlan 117
spanning-tree portfast
!
interface GigabitEthernet0/17
description - VLan 121 access port
switchport access vlan 121
spanning-tree portfast
!
interface GigabitEthernet0/18
description - VLan 125 access port
switchport access vlan 125
spanning-tree portfast
!
interface GigabitEthernet0/19
description - VLan 150 access port
switchport access vlan 150
spanning-tree portfast
!
interface GigabitEthernet0/20
description - VLan 999 access port
switchport access vlan 999
spanning-tree portfast
!
interface GigabitEthernet0/21
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/22
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/23
description OPEN
spanning-tree portfast
!
interface GigabitEthernet0/24
description From ROUTER Gw ge0/1
switchport trunk allowed vlan 102,104-107,111,117,121,125,150,999
switchport mode trunk
!
interface GigabitEthernet0/25
!
interface GigabitEthernet0/26
!
interface Vlan1
no ip address
no ip route-cache
shutdown
!
interface Vlan102
ip address 192.168.102.253 255.255.255.0
!
interface Vlan104
no ip address
no ip route-cache
!
interface Vlan105
no ip address
no ip route-cache
!
interface Vlan106
no ip address
no ip route-cache
!
interface Vlan107
no ip address
no ip route-cache
!
interface Vlan111
no ip address
no ip route-cache
!
interface Vlan117
no ip address
no ip route-cache
!
interface Vlan121
no ip address
no ip route-cache
!
interface Vlan125
no ip address
no ip route-cache
!
interface Vlan150
no ip address
no ip route-cache
!
interface Vlan999
no ip address
no ip route-cache
!
ip default-gateway 192.168.102.1
ip http server
ip http secure-server
snmp-server engineID local 00000009020000019634C2C0
snmp-server community public RO
snmp-server location
snmp-server contact
banner motd ^CCC ADMIN USE ONLY! ^C
!
line con 0
session-timeout 10
password xxxxxx
logging synchronous
login
stopbits 1
line vty 0 4
session-timeout 10
password xxxxxxx
login
line vty 5 15
session-timeout 10
password xxxxxxxx
login
!
ntp server 10.199.100.92
end
K24Sw01#
