Hi All, I am a new user of VPP. When I was studying VxLAN tunnel support in VPP, I found out for each VxLAN tunnel creation, VNI id is required. It means I cannot create a VxLAN tunnel with Src IP and Dest IP only. I have to create a tunnel for each given VNI even tunnel src IP and dest IP don't change. If VNI number is a very few, it is okay. But if there are tons of VNI I want to deal with, it will be a scaling issue for tunnel maintenance. For example, I have 16K VNIs across a same tunnel(same src IP and same dest IP), so I have to call VxLAN tunnel creation API for 16000 times and create 16000 tunnel entries. The potential issues of this solution are: 1 unnecessary memory usage for huge number of tunnel entries which have almost same info except VNI. 2: complexity of tunnel management with such big number of tunnels.
I want to check if there is any simple way to deal such case? Some HW switch vendors allow user to create a single VxLAN tunnel with src IP and dest IP only and then user can extend VNI(s) they want to serve to that tunnel, With this approach, I only need to create one tunnel. So I am wondering is this possible with VPP or some similar method exists? Thanks! -Gefan
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