[vpp-dev] How to add in/out interfaces in NAT44 in vpp21

[Юрий Иванов]

Hi,
I'm trying to configure NAT44 feature on latest vpp:
vpp# show version
vpp v21.01-release built by root on fcb1bae62b24 at 2021-01-27T16:06:22


Can someone help to determine why adding interfaces not working like it should
vpp# set interface nat44 in GigabitEthernet0/5/0 out GigabitEthernet0/4/0
set interface nat44: add GigabitEthernet0/5/0 failed

My config:
set interface ip address GigabitEthernet0/4/0 1.0.0.1/24
set interface ip address GigabitEthernet0/5/0 10.0.1.1/24

set interface state GigabitEthernet0/4/0 up
set interface state GigabitEthernet0/5/0 up

nat44 forwarding enable
nat44 add address 1.0.0.2-1.0.0.100
vpp# show interface
              Name               Idx    State  MTU (L3/IP4/IP6/MPLS)     
Counter          Count
GigabitEthernet0/4/0              1      up          9000/0/0/0     rx packets  
                   9
                                                                    rx bytes    
                3339
                                                                    drops       
                   9
GigabitEthernet0/5/0              2      up          9000/0/0/0
local0                            0     down          0/0/0/0

Maybe somehting has changed once more, because version 17-18 was working as 
expected?

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