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HI, We are using Keil TCPnet stack for SNTP communication. SNTP is working properly but if we change the Ip address of the SNTP server from one(i.e. 192.168.0.100) to another(i.e. 192.168.0.102) in which the keil stack is running the IP is changing successfully but if we sent query for IP 100 or 102 we are getting response from both IP (i.e. previous and and present IP)but if we ping for previous ip 100 is not pinging. How it is possible? i thing when we ping with server keil stack is checking the IP but if we send SNTP request Keil stack is checking the MAC address but not the IP. Please give me the answer.
thanks and regards, Pratheep.k
Its not keil problem. Its your PC configuration. After changeing the IP in your board - run this command in your PC:
arp -d
this will solve your problem...
Doron