We have recently leased an internet connection in our office which comes from the service provider as radio link and BW is 2M. I have clients more than 60 that will share the connection and access internet. I have configured a Cisco 2600 router as below:
Current configuration : 988 bytes
no service single-slot-reload-enable
no service timestamps debug uptime
no service timestamps log uptime
no service password-encryption
no logging on
enable secret 5 XXXXXXXXXXXXXXXXXXXXXXX
username xyz privilege 15 password 0 xyz
clock timezone GMT 6
no ip finger
no ip domain-lookup
no ip dhcp-client network-discovery
ip address 192.168.1.1 255.255.255.240
ip nat inside
ip address 203.xx.xxx.xx 255.xxx.xxx.xxx
ip nat outside
ip nat pool Hide 203.xxx.xxx.51 203.xxx.xxx.60 netmask 255.xxx.xxx.xxx
ip nat inside source list 10 pool Hide overload
ip http server
access-list 10 permit 192.168.1.0 0.0.0.15
line con 0
transport input none
line aux 0
line vty 0 4
line vty 5 15
So far I have read regard NAT it degrades performance as it need to translate every data packet comes from the source and goes to internet.
So a question comes in my mind is there any other way how I can share this connection among users with private ip address? Or NAT is the only method to share internet connection among users with private ip addresses?
If possible how?
This is the only solution as private addresses are not routeable on the internet and routers should be configured to drop packets with a src IP in the RFC1918 range.
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