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USG6000 firewall show outErrors in VLAN interface

Publication Date:  2017-08-30 Views:  689 Downloads:  0

Issue Description

Customer finds that there are many outerrors in vlan interface.

Alarm Information

Handling Process

Confirm with R&D and do a test in lab.

Root Cause

On vlanif interface , if firewall can not find those arp table, so the outerror counts increased, which will not impact the business, our firewall worls in this way. It is no a problem but just a data.

Vlanif10 current state : UP  

930214 packets output, 60751488 bytes, 382168 drops

Vlanif20 current state : UP  

    6925888 packets output, 6520349764 bytes, 3247 drops

Vlanif30 current state : UP  

78826498 packets output, 29484274738 bytes, 229528 drops

Vlanif90 current state : UP  

    7041 packets output, 505466 bytes, 3 drops


382168 + 3247 + 229528 + 3 = 614946


System Discard Increased Statistic:


Packets discarded statistic                                      Packets  Increased

                            Total packets discarded:             11683501        118

                       L2 receive packets discarded:                40830          1

                      L2 transmit packets discarded:               245692          6

         Send interface not found packets discarded:                 4412          0

                Total Check error packets discarded:              6831980         71

                    IP head check packets discarded:                    1          0

               TCP sequence error packets discarded:                    1          0

                         ARP miss packets discarded:               614946          6    

                         FIB miss packets discarded:                  364          0

                     Session miss packets discarded:                19904          0

               Policy filter deny packets discarded:              3922358         34


For it is not a issue but a data , there is no any plan to fix it in V1, but in V5 the outerrors will not count.