ip route-static 219.154.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 219.156.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 219.158.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 219.159.0.0 255.255.192.0 221.12.79.49 preference 60 detect-group 2
ip route-static 220.248.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 220.252.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.0.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.4.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.6.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.7.128.0 255.255.128.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.8.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.10.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.11.0.0 255.255.128.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.12.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.12.0.0 255.255.128.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.12.128.0 255.255.192.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.192.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.195.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.196.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.199.0.0 255.255.224.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.199.32.0 255.255.240.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.199.128.0 255.255.192.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.199.192.0 255.255.240.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.200.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.204.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.207.0.0 255.255.192.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.208.0.0 255.240.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.208.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.213.0.0 255.255.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 221.214.0.0 255.254.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 222.128.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 222.132.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 222.136.0.0 255.248.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 222.160.0.0 255.252.0.0 221.12.79.49 preference 60 detect-group 2
ip route-static 222.163.0.0 255.255.224.0 221.12.79.49 preference 60 detect-group 2
ip route-static 0.0.0.0 0.0.0.0 20.1.1.2 preference 60
注：以上路由已经包含大部分网通地址段，如有更新可以动态添加。
经过如上三个配置步骤后，路由器便能自动区分网通流量和电信流量，使访问网通站点走网通线路，访问电信站点走电信线路。并且当网通线路出问题后所有流量都会自动切换到电信线路上，使用户能够不间断访问网络。
添加防火墙配置，增加网络的可性：
定义电信线路使用的acl 3001：
可以用实际电信网关地址替换地址60.190.80.112，实际内网地址网段替换192.168.2.0 0.0.0.255后直接复制粘贴：
acl number 3001
rule 10 deny tcp destination-port eq 445
rule 11 deny udp destination-port eq 445
rule 20 deny tcp destination-port eq 135
rule 21 deny udp destination-port eq 135
rule 30 deny tcp destination-port eq 137
rule 31 deny udp destination-port eq netbios-ns
rule 40 deny tcp destination-port eq 138
rule 41 deny udp destination-port eq netbios-dgm
rule 50 deny tcp destination-port eq 139
rule 51 deny udp destination-port eq netbios-ssn
rule 61 deny udp destination-port eq tftp
rule 70 deny tcp destination-port eq 593
rule 80 deny tcp destination-port eq 4444
rule 90 deny tcp destination-port eq 707
rule 100 deny tcp destination-port eq 1433
rule 101 deny udp destination-port eq 1433
rule 110 deny tcp destination-port eq 1434
rule 111 deny udp destination-port eq 1434
rule 120 deny tcp destination-port eq 5554
rule 130 deny tcp destination-port eq 9996
rule 141 deny udp source-port eq bootps
rule 160 permit icmp icmp-type echo
rule 161 permit icmp icmp-type echo-reply
rule 162 permit icmp icmp-type ttl-exceeded
rule 165 deny icmp
rule 200 deny tcp destination-port eq www
rule 202 deny tcp destination-port eq ftp
rule 204 deny tcp destination-port eq 3389
rule 2000 permit ip destination 60.190.80.112 0
rule 2001 permit ip destination 192.168.2.0 0.0.0.255
rule 2002 deny ip
定义网通线路使用的acl 3002：
可以用实际网通网关地址替换地址221.12.79.49，实际内网地址网段替换192.168.2.0 0.0.0.255后直接复制粘贴：
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