中断A地专线接口可以自动切换到vpn但是不通

您好，请知：

NQA切换后不生效，以下是排查要点，请参考：

1、检查B端的设备互联配置是否可互通。

2、检查与B端局域网的路由是否可达。

3、以下是NQA的配置参考命令，可对比下：

[SW2]nqa agent enable 

[SW2]nqa entry weijianing ninglihua

[SW2-nqa-weijianing-ninglihua]type icmp-echo

[SW2-nqa-weijianing-ninglihua-icmp-echo]source int GigabitEthernet 1/0/1

[SW2-nqa-weijianing-ninglihua-icmp-echo]destination ip 10.0.0.2

[SW2-nqa-weijianing-ninglihua-icmp-echo]frequency 100000

[SW2-nqa-weijianing-ninglihua-icmp-echo]probe timeout 30

[SW2-nqa-weijianing-ninglihua-icmp-echo]next-hop 10.0.0.2

[SW2-nqa-weijianing-ninglihua-icmp-echo] history-record enable

[SW2-nqa-weijianing-ninglihua-icmp-echo]history-record number 50

[SW2-nqa-weijianing-ninglihua-icmp-echo]probe count 10

[SW2-nqa-weijianing-ninglihua-icmp-echo]probe timeout 30

[SW2-nqa-weijianing-ninglihua-icmp-echo]reaction 1 checked-element probe-fail threshold-type consecutive 1 action-type trigger-only

[SW2-nqa-weijianing-ninglihua-icmp-echo]route-option bypass-route

[SW2]track 1 nqa entry weijianing ninglihua reaction 1

[SW2]nqa schedule weijianing ninglihua start-time now lifetime forever