[f-nsp] MLX with "route-only" port is forwarding VLAN1 BPDUs?
Gerald
gerald at ax.tc
Fri Jun 24 17:54:15 EDT 2016
All right, I've tested this and now the MLX seems to generate VLAN666
BPDUs by itself on this port. At least I can see that the "BPDU Config
tx" counter is still rising.
So I can stop flooding VLAN1 BPDUs from other ports but now we have new
VLAN666 BPDUs on that port transmitted.
>From one hell to the other... which one is better :-/
Gerald
Am 24.06.2016 um 23:35 schrieb Clement Cavadore:
> Yes thats it ;)
>
> Le 24 juin 2016 23:30:02 GMT+02:00, Gerald <gerald at ax.tc> a écrit :
>> Oops, need sleep ;-)
>>
>> !
>> int eth 1/2
>> enable
>> route-only
>> ip addres 10.0.0.1/24
>> !
>> vlan 666 name dummy-layer3-vlan
>> untag eth 1/2
>> !
>>
>> Am 24.06.2016 um 23:27 schrieb Gerald:
>>> Thx Clement for this advice, did you mean something like this:
>>>
>>> !
>>> int eth 1/2
>>> enable
>>> route-only
>>> ip addres 10.0.0.1/14
>>> !
>>> vlan 666 name dummy-layer3-vlan
>>> untag eth 2/12
>>> !
>>>
>>>
>>> Gerald
>>>
>>> Am 24.06.2016 um 21:59 schrieb Clement Cavadore:
>>>> You should create some "dummy" vlans on route-only ports, to avoid
>> that.
>>>> No problem having untagged vlan on any port with IP/routing
>> configuration. You even ca do this without any disturbance.
>>>>
>>>> Le 24 juin 2016 21:53:08 GMT+02:00, Gerald <gerald at ax.tc> a écrit :
>>>>> The MLX got a reboot some weeks ago, this seems not to help. I'am
>>>>> afraid
>>>>> of your (1) note... :-(.
>>>>>
>>>>> Gerald
>>>>>
>>>>> Am 24.06.2016 um 21:27 schrieb Steven Raymond:
>>>>>>
>>>>>>> On Jun 24, 2016, at 1:19 PM, Gerald <gerald at ax.tc> wrote:
>>>>>>>
>>>>>>> Is there a way to stop this? I would have my "route-only" ports
>>>>> Layer2
>>>>>>> free and not disturb other Layer2 systems behind.
>>>>>>
>>>>>> Old old notes I found said basically 1) “bpdus are sent even with
>>>>> route-only”, and 2) "you should reboot after applying route-only".
>>
>>>>>>
>>>>>> Both of which may not helpful to you.
>>>>>>
>>>>>>
>>>>>>
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>>>>
>
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