[j-nsp] Experiences with QFX5110/QFX5120 (martini l2circuit w/tag manipulation)

[Jason Lixfeld]

Hey there,

I’m starting to test martini l2circuits on a QFX5110 (17.3R3-S4.2).  I’m looking at possibly using these boxes, or QFX5120s on a larger scale to terminate these types of circuits on other QFX’ or Cisco ME3600/ASR920/ASR9000.

These l2circuits could be in either port-based mode or vlan-based mode (I believe the JunOS nomenclature is ethernet-ccc encap and vlan-ccc encap, respectively).

The vlan-based use cases could include tag pop/push/swap on inner and/or outer tags of either 802.1ad and 802.1q encapsulated frames.

These boxes would participate in an LDP based MPLS network, pinned up with BFD’d IS-IS, and protected with rLFA.

I’ve reviewed MPLS feature support[1] and MPLS limitation[2] docs for the QFX platform, and nothing immediately jumps out from a features or limitations perspective, but I’d appreciate any real-world feedback on the good, bad, and ugly.

Thanks in advance!

[1] https://www.juniper.net/documentation/en_US/junos/topics/concept/mpls-features-qfx-series-overview.html
[2] https://www.juniper.net/documentation/en_US/junos/topics/reference/general/mpls-limitations-qfx-series.html