我有 Cisco RV042，问题是只能 ping 网关。这是我的设置：
LAN 设置设备，
IP address : 172.31.13.254
Netmask : 255.255.255.248
双 Wan 设置 WAN 1 静态 IP:
IP Address : 202.xx.xx.254
Netmask : 255.255.255.252
Def GW : 202.xx.xx.253
DNS Server 1 IP : 202.xx.xx.36
DNS Server 1 IP : 202.xx.xx.37
MTU : Auto
双 Wan 设置 WAN 2 DHCP IP:
Obtain an IP Automatically
Ping 网关 202.xx.xx.253
Status: Test Succeeded
Packets: 4/4 transmitted, 4/4 received, 0% loss
Round Trip Time: Minimun = 1 ms
Maximun = 1 ms
Average = 1 ms
Ping DNS 1 & 2：202.xx.xx.36 & 37
Status: Test Failed
Packets: 4/4 transmitted, 0/4 received, 100% loss
Round Trip Time: Minimun = 2147483647 ms
Maximun = 0 ms
Average = 0 ms
Ping 外部 IP：8.8.8.8
Status: Test Failed
Packets: 4/4 transmitted, 0/4 received, 100% loss
Round Trip Time: Minimun = 2147483647 ms
Maximun = 0 ms
Average = 0 ms
我的 RV042 出了什么问题？非常感谢，能给我解释一下吗？谢谢
悲惨