After updating RouterOS to version 6.43.7, part of computers in the LAN can't ping each other.Is there the problem with

RouterOS General
1

After updating RouterOS to version 6.43.7, part of computers in the LAN can’t ping each other.Is there the problem with this version?

2

General answer is: No.

More details please. Configuration, topology, version upgraded from … we aren’t wizards guessing from tea leaves

3

Did you close the windows firewall?
if not ， you can’t ping it

4

Well, Windows can set the network to untrusted if it sees another router mac address.

Setting an administrative mac address on the bridge will prevent this from happening.