电信和移动双线接入，启用NQA检测，会有规律丢包

默认路由走电信，明细路由走移动，电信线路有问题自动切换到移动线路，为了做到网络不断效果，结合NQA，TRACK，但实际一应用会3分钟有规律丢包

ACL 3001是服务器网段，3002是办公网络网段

#
nqa entry admin dianxin
 type icmp-echo
  destination ip 电信IP
  frequency 1000
  next-hop 电信网关
  reaction 1 checked-element probe-fail threshold-type consecutive 8 action-type trigger-only
  source interface GigabitEthernet0/1
#
nqa entry admin yidong
 type icmp-echo
  destination ip 移动IP
  frequency 1000
  next-hop 移动网关
  reaction 1 checked-element probe-fail threshold-type consecutive 1 action-type trigger-only
  source interface GigabitEthernet0/3
#
policy-based-route aaa permit node 3
   if-match acl 3002
   apply ip-precedence immediate
   apply ip-address next-hop 移动网关 track 2
   apply ip-address default next-hop 电信网关 track 1
policy-based-route aaa permit node 5
   if-match acl 3001
   apply ip-precedence flash
   apply ip-address next-hop 电信网关 track 1
#

 ip route-static 0.0.0.0 0.0.0.0 电信网关 track 1
 ip route-static 0.0.0.0 0.0.0.0 移动网关 track 2 preference 70
 ip route-static 1.51.64.0 255.255.192.0 移动网关 track 2
 ip route-static 1.88.0.0 255.252.0.0 移动网关 track 2

#
 track 1 nqa entry admin dianxin reaction 1
 track 2 nqa entry admin yidong reaction 2
#
 nqa schedule admin yidong start-time now lifetime forever
 nqa schedule admin dianxin start-time now lifetime forever

#

电信外网口

interface GigabitEthernet0/1
 port link-mode route
 description this port is link to China Telecom's Fiber Converter
 nat outbound 3003

 ip address x.x.x.x 255.255.255.248
 qos apply policy av inbound
 ipsec policy center
 qos car inbound acl 3008 cir 1000 cbs 62500 ebs 0 green pass red discard
 arp send-gratuitous-arp interval 2000

#

内网口

interface GigabitEthernet0/2
 port link-mode route
 description this port is link to 7506E's g2/0/24
 ip address 192.168.60.251 255.255.255.0
 arp send-gratuitous-arp interval 2000
 ip policy-based-route aaa
#

移动外网口

interface GigabitEthernet0/3
 port link-mode route
 description this port is link to China Mobile's Fiber Converter
 nat outbound 3003

 ip address x.x.x. 255.255.255.248
 qos car inbound acl 3008 cir 1000 cbs 62500 ebs 0 green pass red discard
 arp send-gratuitous-arp interval 2000

电信光纤接出口防火墙U200-M g0/1口，移动光纤接g0/3，内网接g0/2，三层核心7506E接到内网口上，接入交换机连到核心，办公电脑和服务器网段直连交换机