Firewall (UTM) [Cisco Firepower(ASA)] How to deal with Smart Licensing [Offline/PLR]
OperationconfirmationenvironmentFirepower2100seriesASAOS9.16.xSmartLicensingSupportinFirepowerFirepoweralsorequireslicen...
Firewall (UTM) 
Firewall (UTM) [FortiGate] Checking the operation of firmware upgrade in HA configuration
HowtoperformanupgradeinHATheAdminGuideforfirmwareupgradesinFortiGateHAconfigurationsstates:YoucanupgradetheHAcluster'sfi...
Router [Cisco] Points to check when static routes are not added even if add-route is set in NAT
OperationconfirmationenvironmentC891FJ-K9Version15.8(3)M9"add-route"optioninNATIfyouspecifytheadd-routeoptionintheipnato...
Firewall (UTM) [FortiGate] How to configure IPsec VPN (ver. 7.2.3)
WorkenvironmentFortiGate-60Eversion7.2.3StepstoconfigureIPsecVPNHere,considerconfiguringIPsecVPNinthefollowingnetworkenv...
Firewall (UTM) [Cisco] Telnet/SSH management access settings and notes on Firepower (ASA)
OperationconfirmationenvironmentFirepower2100seriesASAOS9.16.xConfigurationforTelnetaccessonFirepower(ASA)Configurationf...
Switch [Cisco Nexus 9000] About redistribution configuration to OSPF/EIGRP
WorkenvironmentNexsus9300vNXOS:version9.3(10)RedistributionconfigurationintoOSPFToconfigureredistributiontoOSPFonNexus,i...
Firewall (UTM) [Cisco] Firepower(ASA) Configuration Tips
InterfaceLoopbackInterfacecannotbeconfiguredonASA.FailoverIfyouuseoneinterfaceasFailoverlinkandStatefulfailoverlink,youm...
Router [Cisco ASR 1002-X] How to configure static link aggregation
Considersettingstaticlinkaggregation(modeon)onyourASR1002-X.Nowifyouchecktheoptionswiththe"channel-groupNmode?"command,y...
Switch [Cisco] Cause of starting with empty config after reboot [Catalyst 9000]
TargetenvironmentCatalyst9000seriesswitchesSymptomsEventhoughthestartup-configissaved,thedevicestartsupwithanemptyconfig...
Router [Cisco] How to configure NAT [Full commentary]
OperatingenvironmentC891FJ-K9Version15.8(3)M9BasicknowledgeofNATInsideandoutsideinterfacesWhenconfiguringNAT,settheinsid...
