Windows Client dont respond ARP probe packet Highlighted

Latest reply: Oct 31, 2018 09:25:12 1027 13 11 0

Problem Description

After login 802.1x authentication, PC lost connection several minutes later.

【Device Version

S5720 V200R008C00SPC500

Windows 7

 Root Cause

The device send an ARP probe packet to check the user online status. If the user does not respond within a detection period, the device consider that the user is offline.

If the Service VLAN on the switch does not have a VLANIF interface or the VLANIF interface does not have an IP address, the device will send an offline detection packet 255.255.255.255 as the source IP address. If a user cannot respond the ARP probe packet with the source IP address 255.255.255.255, you can run the access-user arp-detect default ip-address command to specify a default source IP address for the offline detection packet. When window 7 or windows 10, the PC cannot respond to an ARP probe packet with the source IP address 255.255.255.255, it must change it to 0.0.0.0.

 Solution

 Check the issue user offline reason. It display “ARP detect fail”.

Display offline-record mac xxxx-xxxx-xxxx

User name : xxxx

Domain name : radius

User MAC:xxxx-xxxx-xxxx

User access type :802.1x

User access interface :GigabitEthernet 0/0/4

Qinq vlan/User vlan:0/100

User IP address :1.1.1.1

User ID :219

User offline reason : ARP detect fail

 

Configure “access-user arp-detect default ip-address 0.0.0.0”on S5700.

Access-user arp-detect default ip-address 0.0.0.0

 

 

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Created Oct 19, 2018 17:37:09 Helpful(0) Helpful(0)

I just face similar issue, thanks for sharing, it resolve my issue.Windows Client dont respond ARP probe packet-2781591-1
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Created Oct 28, 2018 22:51:22 Helpful(0) Helpful(0)

It is a good case for 802.1x authentication, and the solution is very good and useful. but i have a question, if the issue only happen on the operation system : window 7 or windows 10 ?
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Created Oct 30, 2018 19:08:24 Helpful(0) Helpful(0)

your document is work for me , i get the point , fix my issue by your doc thanks you very much ,
also hope you public more doc that levle like this .
would you please also mention where from the technical detail , i can found it from orignial part .
from orignial part i can found more correct parameter
  • x
  • convention:

Created Oct 31, 2018 09:25:12 Helpful(0) Helpful(0)

your document is work for me , i get the point , fix my issue by your doc thanks you very much ,
also hope you public more doc that levle like this .
would you please also mention where from the technical detail , i can found it from orignial part .
from orignial part i can found more correct parameter
  • x
  • convention:

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