Mikrotik is slow down my network

RouterOS Beginner Basics
1

i don’t know what happen but i installed he mikrotik my network is slow than normal, even to surf on internet. i made ping to cloudflare dns 1.1.1.1 and the latency is too high,and give me some timeout… before wasn’t like that.

Reply from 1.1.1.1: bytes=32 time=34ms TTL=59
Reply from 1.1.1.1: bytes=32 time=36ms TTL=59
Reply from 1.1.1.1: bytes=32 time=9ms TTL=59
Reply from 1.1.1.1: bytes=32 time=8ms TTL=59
Reply from 1.1.1.1: bytes=32 time=3ms TTL=59
Request timed out.
Reply from 1.1.1.1: bytes=32 time=25ms TTL=59
Reply from 1.1.1.1: bytes=32 time=36ms TTL=59
Reply from 1.1.1.1: bytes=32 time=50ms TTL=59
Reply from 1.1.1.1: bytes=32 time=21ms TTL=59
Reply from 1.1.1.1: bytes=32 time=57ms TTL=59
Reply from 1.1.1.1: bytes=32 time=3ms TTL=59

2

it could be a number of things. It could be the cable, the physical port, bad config, miss match of MTU / MSS if you use PPPoE to get uplink, the list goes on.
tell us your network topology, what router you use and export config using

 export hide-sensitive

then people might be able to help.