VMware VSHIELD MANAGER 4.1.0 UPDATE 1 - API Manuel d'utilisateur télécharger pdf (Page 151)

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Appendix C Troubleshooting

Firewall Block Rule Not Blocking Matching Traffic

Problem

IconfiguredanAppFirewallruletoblockspecifictraffic.IusedFlowMonitoringtoviewtraffic,andthetraffic

Iwantedtoblockisbeingallowed.

Solution

Checktheorderingandscopeoftherule.Thisincludesthecontainerlevelatwhichtheruleisbeingenforced.

IssuesmightoccurwhenanIPaddress‐basedruleisconfiguredunderthewrongcontainer.

Checkwheretheaffectedvirtualmachineresides.IsthevirtualmachinebehindavShieldApp?If

not,then

thereisnoagenttoenforcetherule.Selectthevirtualmachineintheresourcetree.TheAppFirewalltabfor

thisvirtualmachinedisplaysalloftherulesthataffectthisvirtualmachine.

PlaceanyunprotectedvirtualmachinesontoavShield‐protectedswitchorprotectthevSwitchthat

thevirtual

machineisonbyinstallingavShield.

EnableloggingfortheAppFirewallruleinquestion.ThismightslownetworktrafficthroughthevShieldApp.

VerifyvShieldAppconnectivity.CheckforthevShieldAppbeingoutofsyncontheSystemStatuspage.Ifout

ofsync,clickForceSync

.Ifitisstillnotinsync,gototheSystemEventlogtodeterminethecause.

No Flow Data Displaying in Flow Monitoring

Problem

IhaveinstalledthevShieldManagerandavShieldApp.WhenIopenedtheFlowMonitoringtab,Ididnot

seeanydata.

Solution

Thismightbetheresultofoneormoreofthefollowingconditions.

 YoudidnotallowenoughtimeforthevShieldApptomonitortrafficsessions.Allowafewminutesafter

vShieldAppinstallationtocollecttrafficdata.YoucanrequestdatacollectionbyclickingGetLateston

theFlowMonitoringtab.

 TrafficisdestinedtovirtualmachinesthatarenotprotectedbyavShieldApp.Makesureyourvirtual

machinesareprotectedbyavShieldApp.Virtualmachinesmustbeinthesameportgroupasthe

vShield Appprotected(p0)port.

 ThereisnotraffictothevirtualmachinesprotectedbyavShieldApp.

 CheckthesystemstatusofeachvShieldAppforout‐of‐syncissues.

Troubleshooting Port Group Isolation Issues

Validate Installation of Port Group Isolation

To validate installation of Port Group Isolation

1MakesurethatthesameportgroupandvirtualmachinesarenotalsoconfiguredforvCloudService

DirectornetworkisolationorLabManagercross‐hostfencing.Doubleencapsulationmodeisnot

supportedcurrently.

2VerifythatthePortGroupIsolationbundleisinstalled:esxupdate query

3Verifythatvshdisrunning.

 ESXi:ps | grep vsh.Theresultsmightcontainmorethanoneinstance,whichisok.

 ESXClassic:ps –eaf | grep vshd

1 2 ... 146 147 148 149 150 151 152 153 154 155 156 ... 161 162

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VMware VSHIELD MANAGER 4.1.0 UPDATE 1 - API Manuel d'utilisateur Page 151

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