[j-nsp] 10.3 on MX960 with MPC only?

[Chris Evans]

Crazy workaround but I didn't spend 500k on a box to do a hack job that a 3k
box does perfectly

:)
> You know, just as this thread popped up on this list, we were dealing with
a
> multicast related issue... On an MX if you statically map a unicast IP
address
> to a multicast mac address, you have to specify a single l2 interface to
forward
> that traffic out of. It essentially defeats the whole purpose of creating
the
> mapping in the first place.
>
> So I thought, what if we connect to ports on the same box together? This
> worked. Essentially you create a logical interface on one end of the cable
and
> you move your layer 3 config to it for that particular VLAN, then the
other end
> of the cable is just a trunk port.
>
>
> This might resolve your issue.
>
>
>
>
> ________________________________
> From: Chris Evans <chrisccnpspam2 at gmail.com>
> To: Derick Winkworth <dwinkworth at att.net>
> Cc: juniper-nsp at puck.nether.net
> Sent: Tue, August 31, 2010 11:45:58 AM
> Subject: Re: [j-nsp] 10.3 on MX960 with MPC only?
>
>
> Agreed if they offering the mx as an Ethernet switch this should be
> supported. Nag your account team. I had them put in an enhancement request

> but who knows if they are listening.
>
>> "Its not supported" is the wrong phrase. "Its broken" is more
appropriate.
>>Whatever design choices that were made in the past that led to this, as
you
>>said, "mind-blowing" caveat, Juniper needs to go backwards and fix it.
>>
>> On Tue Aug 31st, 2010 8:01 AM CDT Chris Evans wrote:
>>
>>>Try configuring an irb, igmp, igmp-snooping and a trunk port on 10.x
code.
>>>It will tell you its not supported. It's never been supported per JTAC.
>>>Also as per jtacs comment they put that statement in newer code as they
>>>didn't know it wasnt supported before. I asked jtac to update the
>>>documentation.
>>> > Is this in documentation somewhere? I just did a quick pass through
the
>>>IGMP
>>>> snooping docs and I did not see it stated anywhere in there... maybe I
>>>missed
>>>> it.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ________________________________
>>>> From: Derick Winkworth <dwinkworth at att.net>
>>>> To: Chris Evans <chrisccnpspam2 at gmail.com>; Gavin Tweedie <gav at narx.net
>
>>>> Cc: juniper-nsp at puck.nether.net
>>>> Sent: Tue, August 31, 2010 7:13:37 AM
>>>> Subject: Re: [j-nsp] 10.3 on MX960 with MPC only?
>>>>
>>>> ###########
>>>> I'm not even going to mention that
>>>>
>>>> IGMP-Snooping isn't support on trunk interfaces which blows my mind.
>>>> ############
>>>>
>>>>
>>>> wow!
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>>
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