nat static outbound vpn-instance 不生效

接口配置

 interface GigabitEthernet2/6/1.220

 ip binding vpn-instance XXXXX 

 ip address 18.48.240.57 255.255.255.252 

 nat outbound 3000 address-group 1 vpn-instance XXXXX 

 nat static enable vlan-type dot1q vid 220 

 全局下配置了 

 nat static outbound 200.200.20.91 18.48.196.42 vpn-instance XXXXX 

 acl 3000 

 rule 1 permit ip vpn-instance XXXXX 

 但是nat列表显示的是 

 Initiator: Source IP/port: 200.200.20.91/49658 

 Destination IP/port: 15.18.6.192/2048 

 DS-Lite tunnel peer: - VPN instance/VLAN ID/Inline ID: XXXXX/-/- 

 Protocol: ICMP(1) 

 Inbound interface: Route-Aggregation1 

 Responder: 

 Source IP/port: 15.18.6.192/11 

 Destination IP/port: 18.0.210.3/0 

 DS-Lite tunnel peer: - VPN instance/VLAN ID/Inline ID: XXXXX/-/- 

 Protocol: ICMP(1) 

 Inbound interface: GigabitEthernet2/6/1.220 

 State: ICMP_REPLY 

 Application: ICMP 

 Start time: 2022-12-12 12:02:09 TTL: 2s 

 Initiator->Responder: 0 packets 0 bytes 

 Responder->Initiator: 0 packets 0 bytes

MSR56-60 Version 7.1.064