Dear GTPu Owners, I need some help in creating GTPu Origination and Termination config in DUT (Running VPP) as described below.
GTPu Origination: [cid:image002.png@01D632DC.1A086500] GTPu Termination: [cid:image004.png@01D632DD.4A324CE0] Whether GTPu plugin has the support to do such mapping (or) I need to write a test plugin to do such mapping ? I found some information in the below link explaining about GTPu Tunneling. https://wiki.fd.io/view/VPP/Per-feature_Notes#VRF.2C_Table_Ids_and_Routing As per the example, foll. are the VPP CLI commands to create a GTPu Tunnel. But I don't follow the commands. Please see inline. " loop create set int state loop0 up set int ip addr loop0 1.1.1.1/32 << Can the IP address be created on a physical interface connecting the next node in GTPu Origination Topology mentioned above ? create gtpu tunnel src 1.1.1.1 dst 10.6.6.6 teid 1111 decap-next ip4 << What does "decap-next" mean ? set int ip addr gptu_tunnel0 1.1.1.2/31 << Why the IP address is assigned to GTPu Tunnel interface ? " For the GTPu origination case: How can I associate the incoming Ethernet traffic to GTPu Tunnel config ? It will be great if you can share some document / CLI config (or) test case which is similar to Origination & Termination topology. Thanks Govind
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