On Fri, 24 Jul 2020 15:45:20 +0300 George Shuklin <ama...@servers.com> wrote:
> Hello. > > I'm writing Ansible module for iproute, and I found some discrepancies > between man page and actual behavior for ip link add type bridge. > > man page said: > > hello_time HELLO_TIME - set the time in seconds between hello packets > sent by the bridge, when it is a root bridge or a designated bridges. > Only relevant if STP > is enabled. Valid values are between 1 and 10. > > max_age MAX_AGE - set the hello packet timeout, ie the time in seconds > until another bridge in the spanning tree is assumed to be dead, after > reception of its > last hello message. Only relevant if STP is enabled. Valid values are > between 6 and 40. > > In reality 'ip link add type bridge' requires hello_time to be at least > 100, and max_age to be at least 600. I suspect there is a missing x100 > multiplier, either in docs, or in the code. > > (I'm not sure where I should send bugreports for iproute2). > Good catch all the time related values in netlink API should be scaled by the user hz value (which is 100).
