[c-nsp] ASR920 LACP and xconnect

[twall]

please remove me from this mailing list.


On 21/08/2020 18:49, cnsp at marenda.net wrote:
> Sorry, i think the behaviour is explainable.
> You have (I think, on both sides equivalent config)
> Two Gig Ports bundled with LACP to that prot-channel.
> For that, the switch speak link-local pakets to the neighbor device.
> Now , yo build that xconnect and ask to forward link-local pakets to the
> remote.
> OK, device  does this.
> Recieving device does some fancy load blancing an therfor, LACP starts to
> fail since .
> Either let the local switch handle the LACP Bundle and do not forward the
> LACP packets
> Thru that xconnect,
> or build _two_ transparent xconnects/Eline/Epipe servicesso A-1 sees B-Side
> 1 and A-2 sees B-2
> and the LACP Pakets from A1 and A2 do not go all to B1 or mixed/loadbalaced
> to B1 and B2 (end vice-versa).
> and _do_not_ bundle locally.
> Just my 0.01 $
> Mit freundlichen Grüßen
> Kind regards
> Veuillez agréer mes salutations distinguées
> Met vriendelijke groet
> Jürgen Marenda.
>> -----Ursprüngliche Nachricht-----
>> Von: cisco-nsp <cisco-nsp-bounces at puck.nether.net
> <mailto:cisco-nsp-bounces at puck.nether.net> > Im Auftrag von James
>> Bensley
>> Gesendet: Freitag, 21. August 2020 16:38
>> An: Eric Van Tol <eric at atlantech.net <mailto:eric at atlantech.net> >;
> cisco-nsp at puck.nether.net <mailto:cisco-nsp at puck.nether.net>
>> Betreff: Re: [c-nsp] ASR920 LACP and xconnect
>>
>> On Thu, 20 Aug 2020 at 19:16, Eric Van Tol <eric at atlantech.net
> <mailto:eric at atlantech.net> > wrote:
>>> Interface configs:
>>>
>>> interface GigabitEthernet0/0/0
>>> mtu 1600
>>> no ip address
>>> load-interval 30
>>> negotiation auto
>>> channel-group 1 mode active
>>> !
>>>
>>> interface GigabitEthernet0/0/1
>>> mtu 1600
>>> no ip address
>>> load-interval 30
>>> negotiation auto
>>> channel-group 1 mode active
>>> !
>>> interface Port-channel1
>>> mtu 1600
>>> no ip address
>>> load-interval 30
>>> negotiation auto
>>> no keepalive
>>> service instance 1 ethernet
>>>    encapsulation default
>>>    l2protocol peer lacp
>>>    xconnect x.x.x.x 1234 encapsulation mpls pw-class Raw-Mode-VC5
>>>     mtu 1600
>> What happens if you change each interface to be "channel-group 1 mode on"
>> and remove "l2protocol peer lacp" to disable LACP and remove it from the
>> equation?
>>
>> Cheers,
>> James.
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