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General HOW-TO

Dump VPP message table

Vpp APIs work with messages, to check all the available messages and their indices use in VAT:

dump_msg_api_table

View VPP node graph

VPP is implemented as a set of ordered graph nodes, to see them live, use following command in CLI:

show vlib graph

Trace VPP’s API executions

To record the execution of its APIs, use following command outside of VPP:

sudo vppctl api trace save demo.api && sudo vppctl api trace custom-dump /tmp/demo.api