Re: [PATCH net-next v2] net-sysfs: expose number of carrier on/off changes

[Eric Dumazet]

On Sat, 2014-03-29 at 18:36 -0700, Stephen Hemminger wrote:
> On Sat, 29 Mar 2014 09:48:35 -0700
> David Decotigny <decot@xxxxxxxxxxxx> wrote:
> 
> > This allows to monitor carrier on/off transitions and detect link
> > flapping issues:
> >  - new /sys/class/net/X/carrier_changes
> >  - new rtnetlink IFLA_CARRIER_CHANGES (getlink)
> > 
> > Tested:
> >   - grep . /sys/class/net/*/carrier_changes
> >     + ip link set dev X down/up
> >     + plug/unplug cable
> >   - updated iproute2: prints IFLA_CARRIER_CHANGES
> >   - iproute2 20121211-2 (debian): unchanged behavior
> > 
> > Signed-off-by: David Decotigny <decot@xxxxxxxxxxxx>
> 
> Is there a related SNMP MIB variable? should there be?

I don't think we have any SNMP MIB variable for devices ?

It seems "ip link" is the facto standard.

(BTW we put BusyPollRxPackets in TcpExt group, this was an error IMHO)


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