startup-config /path_to_config_file

 配置TenGigabitEthernet4/0/0的ip地址和埠狀態  
set interface state TenGigabitEthernet4/0/0 up  
set interface ip address TenGigabitEthernet4/0/0 2001:1a::1/64  
# 配置預設路由  
ip route add ::/0 via 2001:1a::2  
# 配置GigabitEthernetb/0/0的ip地址和埠狀態  
set interface state GigabitEthernetb/0/0 up  
set interface
 
 ip address GigabitEthernetb/0/0 10.0.0.1/24  
# 配置TenGigabitEthernet13/0/0的ip地址和埠狀態  
set interface state TenGigabitEthernet13/0/0 up  
set interface ip address TenGigabitEthernet13/0/0 10.1.0.1/24  
# 新建Loopback埠，配置loopback地址和埠狀態  
loopback create-interface  
set interface ip address loop0 fc00:1::1/64  
set interface state loop0 up 

unix {
  nodaemon
  log /var/log/vpp/vpp.log
  full-coredump
  cli-listen /run/vpp/cli.sock
  gid vpp
  startup-config /etc/vpp/interface.txt
}

root@gobgp:~# vi /etc/vpp/interface.txt
set interface state GigabitEthernet7/0/0 up     
set interface ip address GigabitEthernet7/0/0 192.168.123.3/24

root@gobgp:~# systemctl restart   vpp
root@gobgp:
 
~# vppctl show interface addr
GigabitEthernet7/0/0 (up):
  L3 192.168.123.3/24
local0 (dn):
root@gobgp:~# cat /etc/vpp/interface.txt
set interface state GigabitEthernet7/0/0 up  
set interface ip address GigabitEthernet7/0/0 192.168.123.3/24 
root@gobgp:~#

root@gobgp:~# ping 192.168.123.2
connect: Network is unreachable
root@gobgp:~# vppctl
    _______    _        _   _____  ___ 
 __/ __/ _ \  (_)__    | | / / _ \/ _ \
 _/ _// // / / / _ \   | |/ / ___/ ___/
 /_/ /____(_)_/\___/   |___/_/  /_/    


vpp# ping 192.168.123.2
116 bytes from 192.168.123.2: icmp_seq=2 ttl=64 time=.1428 ms
116 bytes from 192.168.123.2: icmp_seq=3 ttl=64 time=.0896 ms
116 bytes from 192.168.123.2: icmp_seq=4 ttl=64 time=.0839 ms
116 bytes from 192.168.123.2: icmp_seq=5 ttl=64 time=.0847 ms

root@gobgp:~#