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Creating host interfaces

sudo ip link add name vpp1out type veth peer name vpp1host
sudo ip link set dev vpp1out up
sudo ip link set dev vpp1host up
sudo ip addr add 10.10.1.1/24 dev vpp1host

sudo ip link add name vpp2out type veth peer name vpp2host
sudo ip link set dev vpp2out up
sudo ip link set dev vpp2host up
sudo ip addr add 10.11.1.1/24 dev vpp2host

Launch

sudo systemctl is-active vpp.service
sudo systemctl stop vpp.service
sudo /usr/bin/vpp -c 1_vpp.conf
sudo /usr/bin/vpp -c 2_vpp.conf

Entering CLI

sudo vppctl -s /run/vpp/1vpp-cli.sock
sudo vppctl -s /run/vpp/2vpp-cli.sock

VPP CLI

create host-interface name vpp1out
set int state host-vpp1out up
show hardware-interfaces
show int addr
set int ip address host-vpp1out 10.10.1.2/24

delete

set interface ip address del host-vpp1out 10.10.3.2/24

Trace

show trace clear trace trace add af-packet-input 10 trace add memif-input 10

ARP

show ip neighbours

FIB

show ip fib

Connecting VPPs

create interface memif id 0 master create interface memif id 0 slave

pcap

pcap dispatch trace on max 10000 file vppcapture.pcap buffer-trace dpdk-input 100 pcap dispatch trace off

Services:

/usr/lib/systemd/system/vpp.service

https://s3-docs.fd.io/vpp/22.06/developer/corearchitecture/vnet.html https://s3-docs.fd.io/vpp/22.06/developer/corearchitecture/vnet.html#buffer-initialization-example https://vpp.flirble.org/stable-2110/dc/d7e/udp__input_8c_source.html

https://www.programmersought.net/article/389265850.html https://www.mail-archive.com/vpp-dev@lists.fd.io/msg01820.html

https://www.asumu.xyz/blog/2018/03/22/how-to-develop-vpp-plugins/

#TODO: try probeflow ipfix https://s3-docs.fd.io/vpp/22.06/developer/plugins/flowprobe.html?highlight=ipfix#sample-configuration