[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Does the debian kernel sends the gratuitous arp ?



On Sun, Oct 08, 2023 at 11:21:10AM +0530, Balaji G wrote:
> On Sat, 7 Oct 2023 at 02:50, Jeffrey Walton wrote:
> > On Fri, Oct 6, 2023 at 2:04 PM Balaji G wrote:
> > >
> > > Hi,
> > >
> > > I am using "Debian GNU/Linux 11 (bullseye)" with kernel version 5.16.12.
> > > When i do a link up/down i don't see any Gratuitous ARP being sent.
> > >
> > > # echo 1 > /proc/sys/net/ipv4/conf/eno5np0/arp_notify
> > > # ip link set down dev eno5np0
> > > # ip link set up dev eno5np0
> > >
> > > Captured all the packets via tcpdump & the tcpdump is not showing any
> > > Gratuitous ARP packets.
> > >
> > > But, with the same commands i could see the Gratuitous ARP being sent in
> > > Red hat.9.0 (Plow).
> > >
> > > So, please let me know if this is a specific scenario in Debian 11 ??
> >
> > I think that's now Poettering:
> >
> > https://github.com/systemd/systemd/blob/main/src/libsystemd-network/sd-ipv4acd.c#L302
> >
> > Jeff
> >
> Hi Jeff,
> 
> Do you mean this is a known issue & will be fixed in the future releases ?
> 

Here not Jeff.  What I do understand from Jeff message is
something like:  "I can bitch on systemd, so I do"
Time will tell how much Jeff contributes in solving
the interesting problem of the invisible gratuitous ARP.

Meanwhile lets follow-up
on https://lists.debian.org/debian-user/2023/10/msg00181.html


> Thanks,
> Balaji

You might have an extra copy of this message.
Because I did this time "reply-to-all" insteadof "reply-to-list".

The good thing of "reply-to-list" is that it reveals who reads
mailinglist postings. Yes, I'm trying to tell that you
missed https://lists.debian.org/debian-user/2023/10/msg00181.html
 

Regards
Geert Stappers
-- 
Silence is hard to parse


Reply to: