config system interface
    edit "redu78"
        set vdom "root"
        set allowaccess ping https telnet
        set type redundant
            set member "port7" "port8" "port6"            
    next
end
FG300B3908600981 # diagnose netlink redundant name redu78
status: up
npu: y               ;’y’表示NPU加速接口, ’n’表示非NPU加速接口
oid: 0
ports: 3            ;冗余接口中参与的物理接口个数
MAC addr: 00:09:0f:88:2c:8d
current slave: port7
slave: port7
  link status: up            ; 物理工作up状态
  link failure count: 0
  permanent MAC addr: 00:09:0f:88:2c:8d
slave: port8
  link status: down
  link failure count: 1              ;此接口失败的次数
  permanent MAC addr: 00:09:0f:88:2c:8c
slave: port6
  link status: down
  link failure count: 0
  permanent MAC addr: 00:09:0f:88:2c:8a
FG300B3908600981 #
 
@@@@@@@@@@@@@@@@@
FG300B3908600981 # sho system interface redu910
config system interface
    edit "redu910"
        set vdom "root"
        set type redundant
            set member "port9" "port10"            
    next
end
FG300B3908600981 # diagnose netlink redundant name redu910
status: down
npu: n
ports: 2
MAC addr: 00:00:00:00:00
current slave: none
slave: port9
  link status: down
  link failure count: 0
  permanent MAC addr: 00:09:0f:88:2c:89
slave: port10
  link status: down
  link failure count: 0
  permanent MAC addr: 00:09:0f:88:2c:88
FG300B3908600981 #

按着顺序 port 7 port8 port6. 根据加入冗余接口的顺序。

300系列以上才支持冗余接口。