4G拨号能成功但是ping不通外网,debug看有发出。会话看没有回包。但是把卡换到手机或者4G路由器上就都正常。同型号设备测试同样故障。
查看拨号口状态正常
[H3C]display cellular
Cellular1/0/0:
Hardware Information:
Model: L716-CN
Modem Firmware Version: 17016
Hardware Version:
International Mobile Subscriber Identity (IMSI): 460062091231046
International Mobile Equipment Identity (IMEI): 869312061153457
Modem Status: Online
Profile Information:
Profile 1: Active
PDP Type: IPv4
Header Compression: OFF
Data Compression: OFF
Access Point Name (APN): shqnxx04
Modem Setup Information:
Diagnostics Monitor: Close
Network Information:
Current Service Status: Service available
Current Roaming Status: Home
Current Data Bearer Technology: Unknown
Network Selection Mode: Automatic
Network Connection Mode: Unknown
Current Network Connection: LTE
Mobile Network Name: Unknown
Downstream Bandwidth: Unknown
Radio Information:
Current RSSI: -55 dBm
Modem Security Information:
PIN Verification: Disabled
PIN Status: Unknown
SIM Status: OK
Debug ip icmp信息看公网没有回包
<H3C>ping 114.114.114.114
Ping 114.114.114.114 (114.114.114.114): 56 data bytes, press CTRL+C to break
*Apr 28 16:20:47:811 2023 PS4673 SOCKET/7/ICMP:
ICMP Output:
ICMP Packet: src = 10.45.39.121, dst = 114.114.114.114
type = 8, code = 0 (echo)
Request time out
*Apr 28 16:20:50:062 2023 PS4673 SOCKET/7/ICMP:
ICMP Output:
ICMP Packet: src = 10.45.39.121, dst = 114.114.114.114
type = 8, code = 0 (echo)
查看会话看公网也没有回包
Dis session table ipv4 protocol icmp verbose
Slot 1:
Initiator:
Source IP/port: 10.45.39.121/1288
Destination IP/port: 114.114.114.114/2048
DS-Lite tunnel peer: -
VPN instance/VLAN ID/Inline ID: -/-/-
Protocol: ICMP(1)
Inbound interface: InLoopBack0
Source security zone: Local
Responder:
Source IP/port: 114.114.114.114/1288
Destination IP/port: 10.45.39.121/0
DS-Lite tunnel peer: -
VPN instance/VLAN ID/Inline ID: -/-/-
Protocol: ICMP(1)
Inbound interface: Eth-channel1/0/0:0
Source security zone: Untrust
State: ICMP_REQUEST
Application: ICMP
Rule ID: 0
Rule name: Local->other
Start time: 2023-04-28 16:21:35 TTL: 55s
Initiator->Responder: 5 packets 420 bytes
Responder->Initiator: 0 packets 0 bytes
但是同样的卡放在手机上都是正常的。同样的卡放在我司路由器上也是正常的。后将手工配置的默认路由去掉后正常了。
经确认由于终端卡UE attach 4g网络建立默认承载的时候,核心网分配地址的方法不一样.核心网pgw使用dhcp分配地址,就会自动下发默认路由.如果是通过nas sm信令分配地址,就不会下发默认路由;
将手工配置的静态路由去掉
该案例暂时没有网友评论
✖
案例意见反馈
亲~登录后才可以操作哦!
确定你的邮箱还未认证,请认证邮箱或绑定手机后进行当前操作