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Hi Marcin

You could try rate limit on port:

configure ports <port_list> rate-limit flood [broadcast | multicast | unknown-destmac] [no-limit | <pps>]


Alain Briant, BT Services, Paris





-----Message d'origine-----
De : extreme-nsp-bounces@puck.nether.net [mailto:extreme-nsp-bounces@puck.nether.net] De la part de Marcin Kuczera
Envoyé : vendredi 10 juin 2011 00:23
À : extreme-nsp@puck.nether.net
Objet : [e-nsp] storm control ?

hello,

I have seen in Cisco switches such an option like Broadcast storm control.
It was possible to set up a limit of broadcasts (not sure if per port or per vlan) and if this trashold had been reached, port goes to disabled mode for configured period of time.

I suppose that broadcasts per second are counted on port (not on every vlan).

Is there anything similar to this in EXOS ?


What I need is that I have a customer on a port with i.e. 5 vlans providing different services to the customer.
If customer generates a loop, the port should go down.

I know about ELRP, but it is not what I need. I just don't want to care about each and every vlan - just about port.

Maybe just edge bpdu-restrict mode ? But is it working with ports with more vlans ? How about if customer sends me BPDUs that I want to ignore ?

So, if you have any idea for broadcast storm control per port - I'll appreciate.

Regards,
Marcin
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alain.briant@bt.com wrote:
> Hi Marcin
>
> You could try rate limit on port:
>
> configure ports <port_list> rate-limit flood [broadcast | multicast | unknown-destmac] [no-limit | <pps>]

Is it working on ingress or egress ?

Regards,
Marcin


>
>
> Alain Briant, BT Services, Paris
>
>
>
>
>
> -----Message d'origine-----
> De : extreme-nsp-bounces@puck.nether.net [mailto:extreme-nsp-bounces@puck.nether.net] De la part de Marcin Kuczera
> Envoyé : vendredi 10 juin 2011 00:23
> À : extreme-nsp@puck.nether.net
> Objet : [e-nsp] storm control ?
>
> hello,
>
> I have seen in Cisco switches such an option like Broadcast storm control.
> It was possible to set up a limit of broadcasts (not sure if per port or per vlan) and if this trashold had been reached, port goes to disabled mode for configured period of time.
>
> I suppose that broadcasts per second are counted on port (not on every vlan).
>
> Is there anything similar to this in EXOS ?
>
>
> What I need is that I have a customer on a port with i.e. 5 vlans providing different services to the customer.
> If customer generates a loop, the port should go down.
>
> I know about ELRP, but it is not what I need. I just don't want to care about each and every vlan - just about port.
>
> Maybe just edge bpdu-restrict mode ? But is it working with ports with more vlans ? How about if customer sends me BPDUs that I want to ignore ?
>
> So, if you have any idea for broadcast storm control per port - I'll appreciate.
>
> Regards,
> Marcin
> _______________________________________________
> extreme-nsp mailing list
> extreme-nsp@puck.nether.net
> https://puck.nether.net/mailman/listinfo/extreme-nsp
>

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

W dniu 10.06.2011 12:18, Marcin Kuczera pisze:
> alain.briant@bt.com wrote:
>> Hi Marcin
>>
>> You could try rate limit on port:
>>
>> configure ports <port_list> rate-limit flood [broadcast | multicast | unknown-destmac] [no-limit | <pps>]
>
> Is it working on ingress or egress ?
>
> Regards,
> Marcin
>
>
>>

Limits the amount of ingress flooded traffic; minimizes network impact of broadcast loops.

Syntax Description

port_list Specifies the port number. On a stand-alone switch, this value is just the port number,
and on a modular switch, this value is the slot and port number.

broadcast Specifies all broadcast packets.

multicast Specifies all flooded multicast packets (known IP multicast caches are still forwarded at
line rate).

unknown-destmac Specifies all packets with unknown MAC DAs.

no-limit Specifies unlimited rate.

pps Packets per second allowed; range is from 0 to 262,144.


Best regards
- --
Jarek
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