A-A+
	华为USG防火墙ip-link与静态路由、PBR(策略路由)联动
假设ip-link检测目标202.100.1.2失效,则对应的静态路由失效,对应的PBR1策略路由也失效。所以源地址192.168.2.0网段选择下一跳202.100.2.2作为出口路由,当ip-link检测目标202.100.1.2成功,则对应的静态路由生效,对应的PBR1策略路由也随之生效,所以源地址192.168.2.0网段依然选择下一条202.100.1.2作为出口路由。
- interfaceGigabitEthernet0/0/0.2
 - vlan-type dot1q 2 //vlan2的网关//
 - ip address 192.168.2.254 255.255.255.0
 - #
 - interfaceGigabitEthernet0/0/0.3
 - vlan-type dot1q 3 //vlan3的网关//
 - ip address 192.168.3.254 255.255.255.0
 - #
 - interfaceGigabitEthernet0/0/1
 - ip address 202.100.1.1 255.255.255.0
 - #
 - trust
 - priority is 85
 - interface of the zone is (3):
 - GigabitEthernet0/0/0.2
 - GigabitEthernet0/0/0.3
 - #
 - ctc
 - priority is 10
 - interface of the zone is (1):
 - GigabitEthernet0/0/1
 - #
 - cnc
 - priority is 20
 - interface of the zone is (1):
 - GigabitEthernet0/0/2
 - #
 - ------------------------------------------------------------------------------------
 - policy interzonetrust ctc outbound
 - policy 0
 - action permit
 - policy source 192.168.2.0 mask 24
 - policy source 192.168.3.0 mask 24
 - #
 - policy interzonetrust cnc outbound
 - policy 0
 - action permit
 - policy source 192.168.2.0 mask 24
 - policy source 192.168.3.0 mask 24
 - # www.19216811.la/huawei
 - ----------------------------------------------------------------------
 - nat-policy interzonetrust ctc outbound
 - policy 0
 - action source-nat
 - policy source 192.168.2.0 mask 24
 - policy source 192.168.3.0 mask 24
 - easy-ip GigabitEthernet0/0/1
 - #
 - nat-policy interzonetrust cnc outbound
 - policy 0
 - action source-nat
 - policy source 192.168.2.0 mask 24
 - policy source 192.168.3.0 mask 24
 - easy-ip GigabitEthernet0/0/2
 - ----------------------------------------------------------------------------
 - policy-based-routePBR1 permit node 1
 - if-match acl 3001
 - apply ip-address next-hop 202.100.1.2 匹配acl3001的流量设置下一跳为202.100.1.2
 - #
 - policy-based-route PBR2 permit node 2
 - if-match acl 3002
 - apply ip-address next-hop 202.100.2.2 匹配acl3001的流量设置下一跳为202.100.2.2
 - #
 - acl number 3001
 - rule 5 deny ip destination192.168.3.0 0.0.0.255 目标到达192.168.3.0的路由不匹配策略
 - rule 10 permit ip source 192.168.2.0 0.0.0.255
 - #
 - acl number 3002
 - rule 1 deny ip destination192.168.2.0 0.0.0.255 目标到达192.168.2.0的路由不匹配策略
 - rule 5 permit ip source 192.168.3.0 0.0.0.255
 - ip-link 2destination 202.100.2.2 interface GigabitEthernet 0/0/2 mode icmp
 - ip-link 1destination 202.100.1.2 interface GigabitEthernet 0/0/1 mode icmp
 - ip route-static 0.0.0.0 0.0.0.0 202.100.1.2track ip-link 1
 - ip route-static 0.0.0.0 0.0.0.0 202.100.2.2track ip-link 2
 - interfaceGigabitEthernet0/0/0.2
 - ip policy-based-route PBR1
 - #
 - interfaceGigabitEthernet0/0/0.3
 - ip policy-based-route PBR2
 
综述:ip-link检测影响静态路由,静态路由影响策略路由。