//RIP
[root@RS1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eno16777736
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
NAME=eno16777736
DEVICE=eno16777736
ONBOOT=yes
IPADDR=192.168.153.22
NETMASK=255.255.255.0
GATEWAY=192.168.153.254
DNS=114.114.114.114
//VIP
[root@RS1 ~]# ip addr add 192.168.200.20/24 dev lo
[root@RS1 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet 192.168.200.20/24 scope global lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:0c:29:2d:e0:d6 brd ff:ff:ff:ff:ff:ff
inet 192.168.153.22/24 brd 192.168.153.255 scope global noprefixroute eno16777736
valid_lft forever preferred_lft forever
inet6 fe80::20c:29ff:fe2d:e0d6/64 scope link
valid_lft forever preferred_lft forever
RS2
//RIP
[root@RS2 ~]# vim /etc/sysconfig/network-scripts/ifcfg-eno16777736
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
NAME=eno16777736
DEVICE=eno16777736
ONBOOT=yes
IPADDR=192.168.153.25
NETMASK=255.255.255.0
GATEWAY=192.168.153.254
DNS=114.114.114.114
//VIP
[root@RS2 ~]# ip addr add 192.168.200.20/24 dev lo
[root@RS2 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet 192.168.200.20/24 scope global lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:0c:29:9b:a5:b7 brd ff:ff:ff:ff:ff:ff
inet 192.168.153.25/24 brd 192.168.153.255 scope global eno16777736
valid_lft forever preferred_lft forever
6. 配置路由
[root@DR ~]# route add -host 192.168.200.20 dev lo
[root@RS1 ~]# route add -host 192.168.200.20 dev lo
[root@RS2 ~]# route add -host 192.168.200.20 dev lo
[root@route ~]# route add -host 192.168.200.20 dev eno16777736