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-VPP has now been built, installed, and started.
-
-To give it a spin, we can create a tap interface and try a simple ping
-(with trace).
-
-Make sure you have run:
-
-$ vagrant ssh
-
-To get to the vagrant VM:
-
-vagrant@localhost:~$
-
-Confirm that vpp is running with
-
-vagrant@localhost:~$ sudo status vpp
-vpp start/running, process 25202
-
-To create the tap:
-
-vagrant@localhost:~$ sudo vppctl tap connect foobar
-Created tap-0 for Linux tap 'foobar'
-vagrant@localhost:~$ sudo vppctl show int
-
-To assign it an ip address (and 'up' the interface):
-
-vagrant@localhost:~$ sudo vppctl set int ip address tap-0 192.168.1.1/24
-vagrant@localhost:~$ sudo vppctl set int state tap-0 up
-
-To turn on packet tracing for the tap interface:
-vagrant@localhost:~$ sudo vppctl trace add tapcli-rx 10
-
-Now, to set up and try the other end:
-vagrant@localhost:~$ sudo ip addr add 192.168.1.2/24 dev foobar
-vagrant@localhost:~$ ping -c 3 192.168.1.1
-
-To look at the trace:
-vagrant@localhost:~$ sudo vppctl show trace
-
-And to stop tracing:
-
-vagrant@localhost:~$ sudo vppctl clear trace
-
-Other fun things to look at:
-
-The vlib packet processing graph:
-vagrant@localhost:~$ sudo vppctl show vlib graph
-
-which will produce output like:
-
- Name Next Previous
-ip4-icmp-input error-punt [0] ip4-local
- ip4-icmp-echo-request [1]
- vpe-icmp4-oam [2]
-
-To read this, the first column (Name) is the name of the node.
-The second column (Next) is the name of the children of that node.
-The third column (Previous) is the name of the parents of this node.
-
-To see this README again:
-cat /vagrant/README