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Network Security Scan Causes VLACP To Bring Port(s) Down Affecting Services

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TitleNetwork Security Scan Causes VLACP To Bring Port(s) Down Affecting Services
Symptoms
  • Servers running network scans attempting to access switch
  • Ports brought down by VLACP
2019-12-15T00:28:06.253-05:00 VSP CP1 - 0x00007fff - 00000000 GlobalRouter SNMP INFO request  received from 172.xxx.yyy.zzz  with invalid authorization  
9-12-15T00:28:13.160-05:00 UThe previous message repeated 4 time(s).  
2019-12-15T00:32:48.729-05:00 VSP CP1 - 0x00007fff - 00000000 GlobalRouter SNMP INFO request  received from 172.xxx.yyy.zzz  with unknown community string  
9-12-15T00:32:53.733-05:00 UThe previous message repeated 1 time(s).  
2019-12-15T01:00:07.951-05:00 VSP CP1 - 0x00007fff - 00000000 GlobalRouter SNMP INFO request  received from 172.xxx.yyy.zzz  with unknown community string  
9-12-15T01:00:07.961-05:00 UThe previous message repeated 4 time(s).  
2019-12-15T01:02:40.357-05:00 VSP CP1 - 0x00007fff - 00000000 GlobalRouter SNMP INFO request  received from 172.xxx.yyy.zzz  with unknown community string  
9-12-15T01:02:40.360-05:00 UThe previous message repeated 4 time(s).  
2019-12-15T03:00:07.697-05:00 VSP CP1 - 0x00007fff - 00000000 GlobalRouter SNMP INFO request  received from 172.xxx.yyy.zzz  with unknown community string  
9-12-15T03:00:07.708-05:00 UThe previous message repeated 4 time(s).  
2019-12-15T05:48:39.756-05:00 VSP CP1 - 0x000ec5ce - 04f00001.268 DYNAMIC SET GlobalRouter LACP WARNING trapSendVlacpLinkDown: Vlacp Link 2/13 is down
2019-12-15T05:48:39.756-05:00 VSP CP1 - 0x00000009 - 01900001.332 DYNAMIC SET GlobalRouter SW INFO SMLT 332 Link is DOWN
2019-12-15T05:48:39.763-05:00 VSP CP1 - 0x0000461a - 01900001 DYNAMIC SET GlobalRouter SNMP INFO Smlt Link Down Trap(SmltId=332)
2019-12-15T05:48:39.837-05:00 VSP CP1 - 0x000ec5ce - 04f00001.260 DYNAMIC SET GlobalRouter LACP WARNING trapSendVlacpLinkDown: Vlacp Link 2/5 is down
2019-12-15T05:48:39.838-05:00 VSP CP1 - 0x00000009 - 01900001.331 DYNAMIC SET GlobalRouter SW INFO SMLT 331 Link is DOWN
2019-12-15T05:52:45.452-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST IP interface is DOWN: istIpDownFail=7346
2019-12-15T05:52:45.452-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST VLAN is down, retrying: istSocketIstVlanDownRetry=122
2019-12-15T05:54:48.003-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST IP interface is DOWN: istIpDownFail=11043
2019-12-15T05:54:48.003-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST VLAN is down, retrying: istSocketIstVlanDownRetry=183
2019-12-15T05:56:50.412-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST IP interface is DOWN: istIpDownFail=14735
  • Peer switch reports VRRP transitions at same time
1 2019-12-15T05:48:39.860-05:00 VSP CP1 - 0x00004616 - 00000000 GlobalRouter SNMP INFO Vrrp State Transition Trap(Port/Vlan=208, Type=3, Cause=5, VrId=8,VrIpAddr=172.xxx.yyy.zzz, Addr=172.xxx.yyy.zzz)
1 2019-12-15T05:48:39.870-05:00 VSP CP1 - 0x00004616 - 00000000 GlobalRouter SNMP INFO Vrrp State Transition Trap(Port/Vlan=210, Type=3, Cause=5, VrId=10,VrIpAddr=172.xxx.yyy.zzz, Addr=172.xxx.yyy.zzz)
1 2019-12-15T05:48:39.875-05:00 VSP CP1 - 0x00004616 - 00000000 GlobalRouter SNMP INFO Vrrp State Transition Trap(Port/Vlan=214, Type=3, Cause=5, VrId=14,VrIpAddr=172.xxx.yyy.zzz, Addr=172.xxx.yyy.zzz)
1 2019-12-15T05:48:39.881-05:00 VSP CP1 - 0x00004616 - 00000000 GlobalRouter SNMP INFO Vrrp State Transition Trap(Port/Vlan=216, Type=3, Cause=5, VrId=216,VrIpAddr=172.xxx.yyy.zzz, Addr=172.xxx.yyy.zzz)
1 2019-12-15T05:48:39.886-05:00 VSP CP1 - 0x00004616 - 00000000 GlobalRouter SNMP INFO Vrrp State Transition Trap(Port/Vlan=220, Type=3, Cause=5, VrId=220,VrIpAddr=172.xxx.yyy.zzz, Addr=172.xxx.yyy.zzz)
1 2019-12-15T05:52:44.333-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST IP interface is DOWN: istIpDownFail=7365
1 2019-12-15T05:52:44.334-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST VLAN is down, retrying: istSocketIstVlanDownRetry=122
1 2019-12-15T05:54:46.617-05:00 VSP CP1 - 0x000646ef - 00000000 GlobalRouter MLT WARNING SMLT IST failing to come up because IST IP interface is DOWN: istIpDownFail=11061

 
Environment
  • All VOSS platforms
  • Release 7.1.1.0 and earlier
Cause
Software defect VOSS-12806
Resolution
Issue resolved in release 7.1.2 and higher
Additional notes

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