On Mon, Feb 21, 2022 at 9:47 PM David Gwynne <da...@gwynne.id.au> wrote:
> this lets ifconfig show the MTU on interfaces like nvgre, vxlan, etc. > they currently don't show it because they also implement a bridge ioctl, > so ifconfig thinks they're a bridge. > > why ifconfig hides the mtu on bridges looks to be a hold over from when > brconfig was merged into ifconfig. if we dont want bridge(4) to report > an mtu, then i can make bridge(4) itself hide the mtu or stop setting > the mtu. > > found by jason tubnor. > > ok? Ah, this test explains one of the three times ioctl(SIOCBRDGRTS) is used on each interface. This will drop it to twice per interface ;) ok guenther@
