Michel Dänzer wrote: > Package: network-manager > Version: 0.6.4-7 > Severity: important > > > I noticed that all interfaces managed by NetworkManager seem to > have an MTU of 576 bytes (the minimum). This seems to have a negative > effect on download speed, or certainly not a positive one. As > nm_system_get_mtu() in src/backends/NetworkManagerDebian.c returns 0, > NetworkManager doesn't seem to set the MTU explicitly though, so I'm not > sure where the default is coming from. I verified that hacking the above > function to return 1500 results in interfaces managed by NetworkManager > having an MTU of 1500, with a line like > > Apr 6 12:18:52 thor NetworkManager: <information>^ISetting MTU of > interface 'sungem' to 1500 > > in syslog.
Hi Michel, do you have the same problem when you manage your devices with ifupdown? Basically, nm_system_get_mtu() returning 0, means that the system default is used and network-manager does not mess with it. Is there an authoritive config file, where we could read the mtu configuration? Otherwise I would refrain from setting the MTU to any arbitrary fixed number. Cheers, Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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