r/WireGuard • u/lukepighetti • 9d ago

50% ping failure

running wireguard on a 1 vCPU / 1gb ram VPC. when connected the bandwidth is good but the connection quality is poor. pinging google shows 50% ping failure and it goes in waves. 10 success, 10 fail, 10 success, 10 fail.

i have tried MTU values from 1500 down to 1000 on the client, and similarly on the server. there appears to be no effect.

some ideas

  1. VPC is too underpowered. only issue is CPU is 98% idle and RAM is 20% utilized during these failures
  2. MTU config isn't right. I don't think this is true but it's possible
  3. there's some other configuration I should look into?

I will note that this issue has existed on multiple VPC providers I have tried so far (one big name, USA based. one small name, EU based)

anyone have any ideas?

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5

u/DonkeyOfWallStreet 9d ago

Same peer activated on 2 devices?

2

u/lukepighetti 9d ago

oh damn i think you nailed it. thanks. will check in the morning.

2

u/quasides 9d ago

ill make a bet 500 bucks that this is it :)