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USG5310 two-node cluster hot backup preemption as host business interrupt few seconds problem

Publication Date:  2012-09-24 Views:  104 Downloads:  0

Issue Description

Networking: switch,2 USG5310 two-node cluster hot backup,2 s5328  two-node cluster hot backup
there is no problem for primary firewall switch to secondary,secondary switch to primary lose 7,8 packages

Alarm Information


Handling Process

After undo shutdown it needs long time to recovery normal receive packages,so configuration of interrupt time 10s is too short
Changed USG5310 interrupt time as hrp preempt delay 30,will not appearing ping packages lost

Root Cause

ECP-FW-USG-5310A firewall undo GigabitEthernet0/0/0 primary/secondary switching,firewall sent 5 broadcast messages,1 port free ARP and vrrp virtual address free ARP
Virtual broadcast message sent package stat form 187 to 192
ECP-S5328C-EI-A also received 5 broadcast messages
But open ARP debug,displays it only received 1 virtual address free ARP,After that,ping normally. doubt ECP-S5328C-EI-A switch chip received these broadcast messages,but did not sent out


Check equipment configuration of our corporation has no problem,and it sent 5 free ARP messages at switching,opponent received 5,but we received only 1,at this time we can confirm,there is a fault in opponent equipment,in switch time ,need long time recover message receiving