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Firewall (UTM)

[Cisco Firepower(ASA)] How to deal with Smart Licensing [Offline/PLR]

Operation confirmation environmentFirepower 2100 seriesASA OS 9.16.xSmart Licensing Support in FirepowerFirepower also r...
Router

[Cisco] Points to check when static routes are not added even if add-route is set in NAT

Operation confirmation environmentC891FJ-K9Version 15.8(3)M9"add-route" option in NATIf you specify the add-route option...
Switch

[Cisco Nexus 9000] About redistribution configuration to OSPF/EIGRP

Work environmentNexsus 9300vNXOS: version 9.3(10)Redistribution configuration into OSPFTo configure redistribution to OS...
Firewall (UTM)

[Cisco] Firepower(ASA) Configuration Tips

InterfaceLoopback Interface cannot be configured on ASA.FailoverIf you use one interface as Failover link and Stateful f...
Router

[Cisco ASR 1002-X] How to configure static link aggregation

Consider setting static link aggregation (mode on) on your ASR 1002-X. Now if you check the options with the "channel-gr...
Switch

[Cisco] Cause of starting with empty config after reboot [Catalyst 9000]

Target environmentCatalyst 9000 series switchesSymptomsEven though the startup-config is saved, the device starts up wit...
Router

[Cisco] How to configure NAT [Full commentary]

Operating environmentC891FJ-K9 Version 15.8(3)M9Basic knowledge of NATInside and outside interfacesWhen configuring NAT,...
Router

[Cisco] Which one should I use as the C891FJ-K9 IOS file?

Question: Which IOS should I use?If you look at the product list on Cisco's Software Download site, you can see that the...
Switch

[Cisco] Smart Licensing cssm offline trouble case

Target environmentC9000 series switchesIOS-XE 17.3.2 or laterTrouble caseSymptoms: Ack import succeeds but Usage Reporti...
Router

[Cisco] How to check the ios version recommended by Cisco

Need for firmware upgradeWhen dealing with Cisco equipment in a network construction project, the engineer in charge has...
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