[j-nsp] Using a QFX5100 without QFabric?

Tim Jackson jackson.tim at gmail.com
Fri Oct 27 20:48:32 EDT 2017


MPLS is now supported on IRB on QFX5100:

https://www.juniper.net/documentation/en_US/junos/topics/reference/general/mpls-limitations-qfx-series.html#jd0e57



On Fri, Oct 27, 2017 at 3:50 PM, Andrey Kostin <ankost at podolsk.ru> wrote:

> Chris Wopat писал 25.10.2017 13:00:
>
>> On 10/24/2017 05:30 PM, Vincent Bernat wrote:
>>
>>>   ❦ 24 octobre 2017 14:29 -0400, Andrey Kostin <ankost at podolsk.ru> :
>>>
>>>
> Straight up saying "don't put public IPs on them" doesn't seem like
>> the best advice to me. You can certainly do this, we do and it's fine.
>> When you craft your RE protection filter you just have to squeeze a
>> bit more space here or there compared to say, an MX filter. You should
>> have this enabled weather you're using public IPs or not.
>>
>> Regarding TCAM programming, it's loud and clear when this happens via
>> a console message and a sev0 syslog message.
>>
>
> Yes, that's true, and we spend a decent amount of time packing lo0 filters
> in a tiny TCAM after discovered that filter input-list silently allows
> everything except the first filter and doesn't generate any complaint.
> So, no objection for public IPs but only careful filter planning required.
>
> --
> Kind regards,
> Andrey
>
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