[f-nsp] Double-switched (looped) traffic on Netiron MLX

Josh Galvez josh at zevlag.com
Tue Mar 1 10:29:57 EST 2016

I had a similar problem with a VE in a VPLS.  Try this:

device(config)# no ip icmp redirects



On Tue, Mar 1, 2016 at 3:12 AM, Franz Georg Koehler <lists at openunix.de>

> On Tue, Mar 01, 2016 at 09:59:02AM +0100, i3D.net - Martijn Schmidt wrote:
> > The MLX platform is not a layer2 switch by default, so there are two
> > ways to solve this problem:
> >
> > a) Use a VLL-local to bridge VLAN 999 from the firewall, through the
> > MLX, to the ICX2. Then the MLX does not even learn the MAC addresses of
> > the packets which are passing through.
> >
> > b) Perform a "no route-only" on all the interfaces which are involved in
> > layer2 switching.
> There is already no route-only set on the interfaces in question (I forgot
> to
> mention that). The device is acting as switch & router.  Otherwise, the
> internal VLAN would not be switched with transparent-hw-flooding set as
> well.
> I see that the switching does not work until transparent-hw-flooding is
> set. I
> wonder if this is related to the same mac address showing up in two
> different
> VLANs or some kind of loop detection. If transparent-hw-flooding is set,
> the
> device just floods all the traffic without analyzing it.
> Best regards,
> Franz Georg Köhler
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