[j-nsp] Stiching L2 to L3 on MX480

[Pshem Kowalczyk]

Hi,

Can we use this for non-BNG functions as well? Despite a large number all
of those VLANs are 'static' customers.

kind regards
Pshem


On Thu, 21 Dec 2017 at 23:01 <adamv0025 at netconsultings.com> wrote:

> Hi Pshem,
>
> The feature designed specifically for what you are looking for is
> pseudowire
> headend (or pseudowire headed termination PWHT on junos). I'm just really
> surprised no one mentioned it already.
> The limit is 2048 in 15.1 and should be raised to around 15k on 17.1.
> But as always you should do a fair amount of scaling and performance
> testing
> to see if it's suitable for your product scale and BW requirements.
>
> I feel your pain when I was designing Carrier Ethernet  solution several
> years ago when there was no PWHE available had to use two routers at the
> head-end one to terminate PW into qinq and other with L3 to VRF.
> The only other option was bridge-domain per PW which obviously does not
> scale (well not at scales I needed anyways).
>
> adam
>
> netconsultings.com
> ::carrier-class solutions for the telecommunications industry::
>
> > -----Original Message-----
> > From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf
> > Of Pshem Kowalczyk
> > Sent: Tuesday, December 19, 2017 10:07 PM
> > To: juniper-nsp at puck.nether.net
> > Subject: [j-nsp] Stiching L2 to L3 on MX480
> >
> > Hi,
> >
> > We have an existing setup consisting of a number of ACX5k and MX480
> > (single MPLS domain). We generally provide L2 services out of the ACXes
> and
> > L3 out of the MXes. Now, a new requirement emerged to provide L3 (with
> > features that ACX can't provide) in locations where we can't justify the
> MX.
> > I'd like to know if it's possible to do the following (and if anything
> special is
> > required on the MX) 1. Build a L2 PWE3 taking whole port on the ACX and
> > logically terminate it on the MX 2. The logical port on the MX (I presume
> 'lt')
> > will be used to terminate individual dot1q and QinQ services into L3
> VPNs.
> >
> > Looking at the documentation it appears to be possible, but I'd like to
> know
> > what sort of limitations this solution might have, particularly when it
> comes to
> > QoS on the MX.
> >
> > kind regards
> > Pshem
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>
>