set vpp settings interface eth1 driver dpdk 
set vpp settings cpu main-core 0
set vpp settings cpu corelist-workers 99-124
commit

vyos@r14# commit
[ vpp ]
Traceback (most recent call last):
  File "/usr/libexec/vyos/services/vyos-configd", line 139, in run_script
    script.apply(c)
  File "/usr/libexec/vyos//conf_mode/vpp.py", line 472, in apply
    vpp_control = VPPControl(attempts=20, interval=500)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/vpp/control_vpp.py", line 109, in __init__
    raise VPPIOError(2, 'Cannot connect to VPP API')
vpp_papi.vpp_papi.VPPIOError: [Errno 2] Cannot connect to VPP API

[[vpp]] failed
Commit failed
[edit]
vyos@r14# sudo /usr/bin/vpp -c /run/vpp/vpp.conf
vpp[6871]: vlib_thread_init: cpu 99 is not available to be used for the 'workers' thread
[edit]
vyos@r14#