I have had to add a few more vlans but the essentials are the same. Herewith the following
1) Show IP interface brief
Flags: S - Secondary IP address
Probe: U - Up, D - Down, U/O - Up & Own IP, N/A - Not Applicable
Interface IP Address / IP Netmask Admin Protocol Probe Flags
vlan 1 192.168.1.254 / 255.255.254.0 Up Up N/A
vlan 10 192.168.19.254 / 255.255.254.0 Up Up N/A
vlan 12 192.168.23.254 / 255.255.254.0 Up Up N/A
vlan 13 192.168.25.254 / 255.255.254.0 Up Up N/A
vlan 14 192.168.27.254 / 255.255.254.0 Up Up N/A
vlan 2 192.168.3.254 / 255.255.254.0 Up Up N/A
vlan 20 192.168.39.254 / 255.255.254.0 Up Up N/A
vlan 3 192.168.5.254 / 255.255.254.0 Up Up N/A
vlan 300 unassigned / unassigned Up Up N/A
vlan 5 192.168.9.254 / 255.255.254.0 Up Up N/A
vlan 7 192.168.13.254 / 255.255.254.0 Up Up N/A
vlan 8 192.168.15.254 / 255.255.254.0 Up Up N/A
vlan 9 192.168.17.254 / 255.255.254.0 Up Up N/A
mgmt unassigned / unassigned Up Down N/A
2 ) I am not doing any NAT on the switch.
3) Cisco config is as below
interface GigabitEthernet0/0
description To-LAN-network
ip address 192.168.1.252 255.255.0.0
ip nat inside
ip virtual-reassembly in
load-interval 30
duplex auto
speed auto
no cdp enable
!
interface GigabitEthernet0/1
description To-ISP-router
ip address 41.xxx.xx.xx 255.255.255.248
ip nat outside
ip virtual-reassembly in
load-interval 30
duplex auto
speed auto
no cdp enable
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
ip nat inside source list 1 interface GigabitEthernet0/1 overload
ip nat inside source static tcp 192.168.2.253 80 41.xxx.xx.xx 80 extendable
ip nat inside source static tcp 192.168.2.236 80 41.xxx.xx.xx 1236 extendable
ip nat inside source static tcp 192.168.2.237 80 41.xxx.xx.xx 1237 extendable
ip nat inside source static tcp 192.168.2.238 80 41.xxx.xx.xx 1238 extendable
ip nat inside source static tcp 192.168.2.239 80 41.xxx.xx.xx 1239 extendable
ip nat inside source static tcp 192.168.2.240 80 41.xxx.xx.xx 1240 extendable
ip nat inside source static tcp 192.168.2.241 80 41.xxx.xx.xx 1241 extendable
ip nat inside source static tcp 192.168.2.8 22 41.xxx.xx.xx 2222 extendable
ip nat inside source static tcp 192.168.2.253 8080 41.xxx.xx.xx 8080 extendable
ip nat inside source static tcp 192.168.1.250 8181 41.xxx.xx.xx 8181 extendable
ip nat inside source static tcp 192.168.1.250 22 41.xxx.xx.xx 8282 extendable
ip nat inside source static tcp 192.168.2.8 80 41.xxx.xx.xx 8888 extendable
ip nat inside source static tcp 192.168.2.8 10000 41.xxx.xx.xx 10000 extendable
ip route 0.0.0.0 0.0.0.0 41.190.46.49
!
access-list 1 permit 192.168.0.0 0.0.255.255