On Tue, Dec 17, 2019 at 7:43 PM John Lo (loj) <l...@cisco.com> wrote:
> Without exact match on a L3 sub-interface, VPP has no mechanism to know what > VLAN tags > to use for packet output, such as ARP request packets or IP packets, on that > sub-interface. For a big QinQ network (like say about 8 - 10 S-VLAN each with 4K C-VLANs) , the number of interface can become huge. Will that hit some internal VPP limits or will it become a performance problem? Is it a good idea to have a mechanism to provide this information to VPP via a control plane application, like whats is being done for PPPoE, so that only outer VLAN interface needs to be created, while inner VLAN interface will be provided by the control plane application? Is this a road worth traveling? Thanks and Regards, Raj
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