[j-nsp] Juniper MX VPLS S-Tag pop/push with QoS

Marcin Wojcik mail.network.bits at gmail.com
Wed Nov 11 06:00:42 EST 2015

Hi Mike,

I'd use 'learn-vlan-1p-priority X' in your filter in order to make
sure the QoS classification is based on the S-tag.
'user-vlan-1p-priority X' is useful if you want to base the
classification on the C-Tag.


On Fri, Nov 6, 2015 at 5:57 PM, Nealon, Mike <mnealon at lightower.com> wrote:
> Hello, does anybody have knowledge of the order of operations relative to QoS classification of a packet when using a pop/push mechanism in a VPLS instance? I'm trying to make sure packets are classified based on the S-Tag that I am "popping", but I fear the pop may happen before the classification. I need the QoS/P-Bit information in the S-Tag to persist across the network. So I guess the actual question is: How is QoS information persistence achieved when you need to also provide VLAN ambiguity?
> Thanks all,
> -Mike
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