Lag only when connected through router ethernet cable

akhilc47

Journeyman
Hi,

I'm getting lag when I'm connecting PC to my router (using RJ45, not wifi). If I remove router and directly connect RJ45 cable from ISP to my PC, works just fine, but then I wouldn't get wifi for my other devices. This is strange since this setup was working fine until recently.

I used to get ~50ms in league of legends even when connected through router until last week. But now it's giving ~200ms (Ping to google also changed from ~7ms to ~25ms). Today I just tried directly connecting to PC and the ping is back to normal. I don't know what happened to my router (TP-LINK WR1043ND). Any help/troubleshooting tips would be much appreciated.

Thank you for reading
 
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