We have setup PPPoE Server. The problem is when browsing web sites, most of time the browsing gets stuck, pages keep loading, and donot display, & If we refresh the page it displays quickly, it happens very frequently with every client connected with our PPPoE Server. The ping to web sites works fine, DNS also working fine. We are not using any web proxy, simple masquerading rule. The WAN link is also working ok.
I have seen this issue at some other operators setup who are also running Mikrotik.
Maybe an MTU/MSS problem? Search the forums for MTU/MSS and PPPoE to get more info.