I can t access internet. It shows IPv4 : Internet and for IPv6 : No Internet access. Complete details given below.?

Hi. I m a university student. I m currently living in a hostel. There are 3 floors of this hostel and I m living on the 3rd floor. All the floors are connected to different boosters and boosters are connected with the main linksys router via LAN cable. Here the hostel owner has enabled DHCP filtering on and he has already entered by mac address and enabled it for internet. I have been assigned an IP address of 192.168.1.6. but now the issue is my internet isn t working. In wifi status window I m getting IPv6 connectivity as No internet access but IPv4 connectivity shows : Internet. And now when im trying to access the linksys router from third floor using the linksys router ip it always says request timmed out. In have done a tracert on cmd using ip of linksys(main router) but it says request timmed out for 12 tries and on the 13th try it accesses the ip. As shown below. 13 * 16ms 1ms 192.168.1.1 And for all other except the 13th try it says request timed out. Amd when I perform ping 192.168.1.1 then out of 4 packets sent only 1 received and 3 lost. This all started when the hostel owner switched the booster of my floor with the booster of 2nd floor. And whenever I perform Troubleshoot problems on wifi, nothing come up. Kindly, help me with this. I have almost tried everything. I don t know what the problem is.