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USG2200 network work period of time and break off

Publication Date:  2012-09-17 Views:  329 Downloads:  0
Issue Description
  One of the client’s usg2200 move run period of time , it will break off network once in 20~30 minutes . The computer can ping gateway normally ,but there are some problem to ping the export . The external network computer cannot ping the IP of export successfully , if we draw the network cable and pluq into it again ,it can resume.
Alarm Information
Handling Process
1、 The equipment undo attack defense ,if it find no attack behavior in the log and the network traffic in the interface is not very big ,so the problem can not be brought by the attack  .
2、 ARP problem:
If we configure one static arp list ,arp static bonding ,the problem also exist ,maybe the arp of peer end is aging ,it does not have our arp list ,so it cannot update .we can try to configure ip-link to timing trigger the arp network traffic on the equipment ,ensuring timing refurbish the arp list of peer end. Configure ip-link function can solve the problem.
Root Cause
  Possible reasons:
1、 The trouble with interface of the equipment , interface die away .
2、 There is some attack
3、 ARP problem
If the export break off the network ,maybe the arp of peer end is aging ,it cannot update .we can try ip-link to solve .