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Merged
merged 3 commits into from
Apr 23, 2025
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docs: correct low MTU troubleshooting language #17468

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a17be08
docs: correct low MTU troubleshooting language
spikecurtis Apr 18, 2025
b55815c
Update docs/admin/networking/troubleshooting.md
spikecurtis Apr 23, 2025
6255627
coder_block_direct to low mtu
EdwardAngert Apr 23, 2025
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coder_block_direct to low mtu
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@EdwardAngert
EdwardAngert committed Apr 23, 2025
commit 6255627166cfacd97c593bb7d5c24e042af2db25
8 changes: 6 additions & 2 deletions docs/admin/networking/troubleshooting.md
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Expand Up @@ -108,10 +108,14 @@ Possible client-side issues with direct connection:
- Network interface utun0 has MTU 1280 (less than 1378), which may degrade the quality of direct connections or render them unusable.
```

If another interface cannot be used, and the MTU cannot be changed, you may need
to disable direct connections, and relay all traffic via DERP instead, which
If another interface cannot be used, and the MTU cannot be changed, you should
disable direct connections and relay all traffic via DERP instead, which
will not be affected by the low MTU.

To disable direct connections, set the
[`--block-direct-connections`](../../reference/cli/server.md#--block-direct-connections)
flag or `CODER_BLOCK_DIRECT` environment variable on the Coder server.

## Throughput

The `coder speedtest <workspace>` command measures the throughput between the
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