要求流量在经过每一个接口时做一层nat地址转换,是否可行。

# SR1
interface Ten-GigabitEthernet0/0/0 tester1入口 ip192.168.1.2
ip binding vpn-instance VRF0
ip address 192.168.1.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/1
ip binding vpn-instance VRF0
ip address 192.168.2.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/2
ip binding vpn-instance VRF1
ip address 192.168.3.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/3
ip binding vpn-instance VRF1
ip address 192.168.4.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/4
ip binding vpn-instance VRF2
ip address 192.168.5.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/5
ip binding vpn-instance VRF2
ip address 192.168.6.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/6
port link-mode route
ip binding vpn-instance VRF3
ip address 192.168.7.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/7
port link-mode route
ip binding vpn-instance VRF3
ip address 192.168.8.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/8
port link-mode route
ip binding vpn-instance VRF4
ip address 192.168.9.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/9
port link-mode route
ip binding vpn-instance VRF4
ip address 192.168.10.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/10
port link-mode route
ip binding vpn-instance VRF5
ip address 192.168.11.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/11
port link-mode route
ip binding vpn-instance VRF5
ip address 192.168.12.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/12
port link-mode route
ip binding vpn-instance VRF6
ip address 192.168.13.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/13
port link-mode route
ip binding vpn-instance VRF6
ip address 192.168.14.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/14
port link-mode route
ip binding vpn-instance VRF7
ip address 192.168.15.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/15
port link-mode route
ip binding vpn-instance VRF7
ip address 192.168.16.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/16
port link-mode route
ip binding vpn-instance VRF8
ip address 192.168.17.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/17
port link-mode route
ip binding vpn-instance VRF8
ip address 192.168.18.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/18
port link-mode route
ip binding vpn-instance VRF9
ip address 192.168.19.1 255.255.255.0
#
interface Ten-GigabitEthernet0/0/19
port link-mode route
ip binding vpn-instance VRF9
ip address 192.168.20.1 255.255.255.0
ip route-static vpn-instance VRF0 192.168.21.0 255.255.255.0 192.168.2.2
ip route-static vpn-instance VRF1 192.168.21.0 255.255.255.0 192.168.4.2
ip route-static vpn-instance VRF2 192.168.21.0 255.255.255.0 192.168.6.2
ip route-static vpn-instance VRF3 192.168.21.0 255.255.255.0 192.168.8.2
ip route-static vpn-instance VRF4 192.168.21.0 255.255.255.0 192.168.10.2
ip route-static vpn-instance VRF5 192.168.21.0 255.255.255.0 192.168.12.2
ip route-static vpn-instance VRF6 192.168.21.0 255.255.255.0 192.168.14.2
ip route-static vpn-instance VRF7 192.168.21.0 255.255.255.0 192.168.16.2
ip route-static vpn-instance VRF8 192.168.21.0 255.255.255.0 192.168.18.2
ip route-static vpn-instance VRF9 192.168.21.0 255.255.255.0 192.168.20.2
ip route-static vpn-instance VRF9 192.168.1.0 255.255.255.0 192.168.19.2
ip route-static vpn-instance VRF8 192.168.1.0 255.255.255.0 192.168.17.2
ip route-static vpn-instance VRF7 192.168.1.0 255.255.255.0 192.168.15.2
ip route-static vpn-instance VRF6 192.168.1.0 255.255.255.0 192.168.13.2
ip route-static vpn-instance VRF5 192.168.1.0 255.255.255.0 192.168.11.2
ip route-static vpn-instance VRF4 192.168.1.0 255.255.255.0 192.168.9.2
ip route-static vpn-instance VRF3 192.168.1.0 255.255.255.0 192.168.7.2
ip route-static vpn-instance VRF2 192.168.1.0 255.255.255.0 192.168.5.2
ip route-static vpn-instance VRF1 192.168.1.0 255.255.255.0 192.168.3.2
#SR2
interface Ten-GigabitEthernet0/0/0
ip binding vpn-instance VRF0
ip address 192.168.2.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/1
ip binding vpn-instance VRF0
ip address 192.168.3.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/2
ip binding vpn-instance VRF1
ip address 192.168.4.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/3
ip binding vpn-instance VRF1
ip address 192.168.5.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/4
ip binding vpn-instance VRF2
ip address 192.168.6.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/5
ip binding vpn-instance VRF2
ip address 192.168.7.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/6
ip binding vpn-instance VRF3
ip address 192.168.8.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/7
ip binding vpn-instance VRF3
ip address 192.168.9.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/8
ip binding vpn-instance VRF4
ip address 192.168.10.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/9
ip binding vpn-instance VRF4
ip address 192.168.11.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/10
ip binding vpn-instance VRF5
ip address 192.168.12.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/11
ip binding vpn-instance VRF5
ip address 192.168.13.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/12
ip binding vpn-instance VRF6
ip address 192.168.14.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/13
ip binding vpn-instance VRF6
ip address 192.168.15.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/14
ip binding vpn-instance VRF7
ip address 192.168.16.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/15
ip binding vpn-instance VRF7
ip address 192.168.17.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/16
ip binding vpn-instance VRF8
ip address 192.168.18.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/17
ip binding vpn-instance VRF8
ip address 192.168.19.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/18
ip binding vpn-instance VRF9
ip address 192.168.20.2 255.255.255.0
#
interface Ten-GigabitEthernet0/0/19 tester2 192.168.21.1
ip binding vpn-instance VRF9
ip address 192.168.21.2 255.255.255.0
ip route-static vpn-instance VRF0 192.168.21.0 255.255.255.0 192.168.3.1
ip route-static vpn-instance VRF1 192.168.21.0 255.255.255.0 192.168.5.1
ip route-static vpn-instance VRF2 192.168.21.0 255.255.255.0 192.168.7.1
ip route-static vpn-instance VRF3 192.168.21.0 255.255.255.0 192.168.9.1
ip route-static vpn-instance VRF4 192.168.21.0 255.255.255.0 192.168.11.1
ip route-static vpn-instance VRF5 192.168.21.0 255.255.255.0 192.168.13.1
ip route-static vpn-instance VRF6 192.168.21.0 255.255.255.0 192.168.15.1
ip route-static vpn-instance VRF7 192.168.21.0 255.255.255.0 192.168.17.1
ip route-static vpn-instance VRF8 192.168.21.0 255.255.255.0 192.168.19.1
ip route-static vpn-instance VRF9 192.168.1.0 255.255.255.0 192.168.20.1
ip route-static vpn-instance VRF8 192.168.1.0 255.255.255.0 192.168.18.1
ip route-static vpn-instance VRF7 192.168.1.0 255.255.255.0 192.168.16.1
ip route-static vpn-instance VRF6 192.168.1.0 255.255.255.0 192.168.14.1
ip route-static vpn-instance VRF5 192.168.1.0 255.255.255.0 192.168.12.1
ip route-static vpn-instance VRF4 192.168.1.0 255.255.255.0 192.168.10.1
ip route-static vpn-instance VRF3 192.168.1.0 255.255.255.0 192.168.8.1
ip route-static vpn-instance VRF2 192.168.1.0 255.255.255.0 192.168.6.1
ip route-static vpn-instance VRF1 192.168.1.0 255.255.255.0 192.168.4.1
ip route-static vpn-instance VRF0 192.168.1.0 255.255.255.0 192.168.2.1
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