zerotier / zerotier/ZeroTierOne
[Feature Request] Please set TUN/TAP driver virtual IF speed attribute to the speed of the underlying physical IF or make it configurable
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- Dominant language
- C++
- Stars
- 17.1k
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Description
I have ZT running on my Linux home server. The ZT interface reports an interface speed of 10Mbit/s. The physical interface is a GBE and my internet connection is 100MBit. That leads to Zabbix, which is monitoring my home server, to VERY OFTEN scream at me "Problem: Interface ztksetbnx7: High bandwidth usage (>90%)", because of course the rates are quite often over 9MBit/s.
This could be avoided if ZT would set the speed attribute for the tunnel interface to the value of the underlying physical interface, allow the admin to configure what speed should be reported or just set the speed attribute to 1000.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the Linux TUN/TAP interface code that reports the virtual interface speed; the issue does not name a file or test. Determine whether the speed should follow the underlying physical interface, be configurable, or use a fixed value, and verify that monitoring tools no longer report the requested false high-bandwidth condition.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, linux
- Domain
- networking
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100