[j-nsp] SRX100/2x0 as small MPLS CPE?

[Abel Alejandro]

> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-
> bounces at puck.nether.net] On Behalf Of Phil Mayers
> Sent: Monday, November 15, 2010 7:46 AM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] SRX100/2x0 as small MPLS CPE?
> 
> In the recent thread "MPLS in the Access", someone insightfully
pointed
> that the low-end SRX devices run JunOS with full MPLS support, and are
> way, way cheaper than the various MPLS-CPE switch-type devices that
are
> starting to appear.

We have more than 30 of Juniper SRX210 in our network doing MPLS and so
far they
are rock solid once they are configured. I have seen the occasional once
in a blue moon panic when committing a change. The SRX210, not
officially
supported, work with the RAD DS3 to Ethernet SFP so they are
particularly
attractive for us where our fiber won't reach and we need a DS3
transport.

> 
> This interests me: we have several sites on 100Mbit LES/WEES circuits,
> and I have a vision of planting on at site with:
> 
>   1. port 1 - MPLS /31
>   2. port 2 - EoMPLS xconnect

We use the SRX210 for l2circuits, VPLS and VRF without issues. However
the limitations mentioned in the thread "MPLS in the Access" need to be
taken on consideration, especially for the VPLS services.

> 
> ...bringing the whole site back to us at layer2 without relying on the
> intermediate circuits having a MAC table of sufficient size, and
hiding
> ethertypes and so forth. This works for us because there's no inter-
> VLAN
> traffic at these sites, due to them being in separate VRFs.
> 
> Can anyone comment on these devices in this or similar roles? In
> particular, how do they fare in areas such as buffer sizes (to deal
> with
> microbursts) and QoS support?
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