Hi, 1.I just dowload the image to run and didn't update the kernel to support IPv6. I tried ping6 on adb shell,command not found. 2.Here is my steps : Without changeing /data/hip/hosts ,use "hipconf add server rvs 193.167.187.134",then hipconf get ha all. Result:Sometimes can see HA is I1-sent. 3.Here is the steps change hosts file : 1) Define the HIT and IP address mapping in /data/hip/hosts : 2001:1b:a9be:c6a6:34e5:8361:c07f:a990 193.167.187.134 crossroads.infrahip.net 2)log in adb shell and start hipd 3)hipconf add server rvs 193.167.187.134 4) hipconf get ha all Result: HA is UNASSOCIATED My questions: 1.How to update the Android to support ping6?Can you list the steps for me? 2.Are these test steps proper? Thanks.