Slow Performance on Brume GL-MV1000 overlay network with Brume2 GL-MT2500 gateway

I have an overlay network between a Brume GL-MV1000(client) and a Brume2 GL-MT2500(gateway) and I’m encountering an issue with slow performance. I’m getting around 30Mbps when using the Brume2 as the default route from the Brume client.

Details:

  • Brume GL-MV1000 (Client):
    • OpenWrt 22.03.4
    • Firmware: 1.10.3
    • Bandwidth: 300Mbps
    • Role: Client
  • Brume2 GL-MT2500 (Gateway):
    • OpenWrt 21.02
    • Firmware: 1.10.3
    • Bandwidth: 500Mbps
    • Role: Exit node

Troubleshooting steps taken:

  • Verified Brume2 gateway is performing well by achieving high speeds(150Mbps) with an iMac connected directly to its Wi-Fi.
  • Included ZeroTier peer information for both devices for further analysis.

Request:

I would appreciate any assistance in diagnosing and resolving the slow performance issue on the Brume client when connected through the Brume2 overlay network. Any suggestions for configuration changes, troubleshooting steps, or potential causes would be greatly helpful.

Additional information:

  • Please let me know if any further details are needed for troubleshooting.

Outputs

Brume Client:

GL-MV1000:~# zerotier-cli peers
200 peers
<ztaddr>   <ver>  <role> <lat> <link>   <lastTX> <lastRX> <path>
41d 1.12.2 LEAF      40 DIRECT   3273     3228     XX.XX.12.XX/xxxxx
62f -      PLANET   254 DIRECT   28295    208298   x.x.25.xx/xxxxx
778 -      PLANET    46 DIRECT   3274     208508   x.x.10.xx/xxxxx
bd5 1.12.2 LEAF       7 DIRECT   3274     3266     x.x.21.xx/xxxxx
c17 1.10.3 LEAF      18 DIRECT   1697     12193    x.xx.24.xx/xxxxx <- Brume2
cafe -     PLANET   119 DIRECT   28297    208436   x.3.x/xxxxx
cafe-      PLANET    91 DIRECT   28297    208464   x.19.x.xx/xxxxx
root@GL-MV1000:~#

Brume2:

root@GL-MT2500:~# zerotier-cli peers
200 peers
<ztaddr>   <ver>  <role> <lat> <link>   <lastTX> <lastRX> <path>
41d 1.12.2 LEAF      31 DIRECT   10298    10269    xx.x.12.x/xxxxx
44d 1.10.3 LEAF      18 DIRECT   163      6358     x.x.21.x/xxxxx <- Brume
62f -      PLANET   242 DIRECT   10299    100138   xx.x.25.x/xxxxx
778 -      PLANET    30 DIRECT   10       10       xx.x.10.x/xxxxx
821 1.12.0 LEAF      24 DIRECT   100      100      x.x.21.x/xxxxx
bd5 1.12.2 LEAF      -1 RELAY
cafe -      PLANET    99 DIRECT   10299    100281   x.x.3.x/xxxxx
cafe -      PLANET    67 DIRECT   10299    100314   x.19.xx.x/xxxxx

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