Only one way to be sure! ;-) On Wed, Dec 25, 2019 at 9:19 AM Mike C. <[email protected]> wrote:
> > > > I happened to have a netgear FS105 nearby. Plugging in a laptop to a > switch > > port, and plugging a patch cable between two other switch ports and > pinging > > a random ip address from the laptop set off the broadcast storm. Running > > tcpdump from the laptop showed a bunch of "MPCP, Opcode Pause, length 46" > > packets. Unplugging the loop, the packets stop immediately. > > > > The reason this works and why I suspect it won't work on the OPs router is > the Netgear isn't a 802.1D (Spanning Tree Compliant) switch. Those > multicast packets are flow control packets and would not be forwarded out > all switch ports downstream as per 802.1D they're reserved to be acted upon > only by the switch. > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
