mpls switches

Colton Conor colton.conor at
Wed Apr 13 00:29:54 UTC 2016

Someone told me to check out extreme networks, cisco or Ciena for the more
cost effective mpls kit. Any advice on which of the three would have the
most cost effective 10G MPLS switch?

Cisco's MPLS switch is the ASR 920 right?

On Tue, Apr 12, 2016 at 4:13 PM, George, Wes < at>

> On 4/12/16, 9:22 AM, "NANOG on behalf of Tim Jackson"
> <nanog-bounces at on behalf of jackson.tim at> wrote:
> >>> (Broadcom chipset,
> >> approach with caution).
> >
> >QFX5100 works fine for MPLS.. [snip] QFX5100 is a
> >great P and lightweight PE..
> WG] For some values of "fine" and "great" perhaps, but emphasis on the
> "lightweight" is important, as its suitability is heavily dependent on
> your intended use case.
> Use it with a few thousand routes and nothing particularly exotic as far
> as features go and you should be fine. However, there are sometimes little
> gotchas where established features (esp in MPLS) either are missing or
> behave differently in subtle ways compared with more traditional JunOS
> routers like the MX. Some of these are limitations in the Broadcom chipset
> and some are driven by customer demand prioritizing feature completion.
> Test carefully, and regard the higher-end multidimensional/route scale
> numbers with healthy skepticism.
> Wes George
> Anything below this line has been added by my company’s mail server, I
> have no control over it.
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