If there are two user equipment under different wifi access point but have the same server. So both user equipment can have same ip address or not. If not please explain me the reson also?
In a LAN two machines can not have same IP addresses.
You can refer these two links to have detail for the same,
http://www.howtogeek.com/195323/do-two-computers-on-the-same-wi-fi-network-have-the-same-ip-address/
http://compnetworking.about.com/od/workingwithipaddresses/f/ip_conflict.htm
I wouldn't think ARP would allow for more than a single simultaneous translation per IP address. The server would either have multiple entries or continually updated ARP table entries resulting in failed communications from the server back to the clients.
Miss Ranjana firstly thanks for your reply. But my question is when you are in two different wifi network under same server. Since wifi access points use DHCP for allocation of ip addresses. So in this case ambiguity can occur or not. If not then please clarify it.
Within one Local Area Network, you can not have two same IP addresses (or else an IP conflict will occur). If two nodes on two different LANs have the same IP addresses, this is acceptable.
As all the answers clarified, it's impossible to have two IP addresses in the same subnet. A Wi-Fi AP does not always mean a subnet, sometimes (especially in enterprise deployments), the DHCP server is located at the proxy server which is not the AP. In these situations we can't have the same IP address on all the APs managed by this server. In other individual deployments (residential), the DHCP server is located at the AP for that reason you may have the same IP address on for your PC connected to your home AP and the PC of your neighbor connected to your neighbor's AP. In the latter case, these IP addresses are private addresses which means that there must be a NAT (network address translation) function before reaching the internet. Hope that i answered your question ...
I guess we need more information about this scenario. Such as, if there is a router operating under NAT, WAN address of this routers, WAN subnet, and etc.
Moreover, previous answers are correct.
Well i am thank-full for your replies, but i am not saying for LAN networks. Consider it for wifi networks.
Dear Lokesh, at IP level there are no differences between LAN or WLAN. It all depends on the brodcast domains you define in your network. For WLAN1 and WLAN2 you can have different ranges 192.168.0.0/24 and 192.168.1.0/24 if they are in the same broadcast or two times 192.168.0.0./24 only if WLAN1 and WLAN2 do not belong to the same broadcast domain. That is to say, if you have only one router, you "normally" cannot configure two subnets (LAN/WLAN) with the same IP ranges or addresses. I hope it can help
Two WLAN should have two different subnets which makes the IP differes any way , and if in the same subnet , still Cannot have the same IP :)
If the Wireless access points are NAT enabled, then of course, yes, two different machines can have the same IP address.
For example, your Default Gateway is 192.168.1.1, one access point WAN IP is 192.168.1.2 and second access point WAN IP is 192.168.1.3.
Now, the first access point can provide the NAT IP range of, say, 172.16.*.*. Also, your second access point can give the same range independent of the first access point.
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