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CatC: SDA 関連情報 (ネットワークデバイス側) の収集について
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Cisco Workflows at Cisco Live EMEA 2026
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IPv6 Perception vs Reality: Separating Fact from Fiction
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Setting up Alert and Response II
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Troubleshooting Use-Cases & Best Practices
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Broccoli Around the World: IPv6 Trends, Challenges, and Success Stories
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Real-Life AI Use Cases on Cisco Infrastructure
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Community Activity
Anyone Actually Using Cisco ISE Properly for Zero Trust?
I keep hearing about “Zero Trust with ISE,” but in every environment I test, it’s half-baked — VLAN hopping still possible, NAC bypasses everywhere, and ISE policies left at defaults. Has anyone seen a real-world, properly implemented ISE deployment ...
CUCM DRS backup device error
Hi all,CUCM 11.5.1.12900-21Rocky Linux 9.4, OpenSSH_8.7p1, OpenSSL 3.0.7 1I am attempting to set the Rocky server as a backup device for CUCM. I initially got the errors regarding key exchange algorithms and host key types not matching, so I enabled...
ISE failed to join Active Directory: Error_Access_Denied, How to Fix?
Hello, I am trying to join ISE 3.4 VM with Active Directory but Its getting failed and I am getting below logs on ISE GUI. Error Description: Access is deniedSupport Details...Error Name: ERROR_ACCESS_DENIEDError Code: 5 Detailed Log:10:49:39 Jo...
Self Signed Certs on IOSXE and IOS
Hello. I am looking for a way to get the self signed certs to automatically get deleted when a device is rebooted. Or a way to get them from stop being generated at all. I work in an environment where they are not allowed and we are getting hit by se...
blocked email in the account cisco
Hi, I can't access my Cisco account to take the Cisco Black Belt course. I haven't received the verification email. My email address is giuseppe.tannurella@kaplet.it. I'm switching to another organization. What can I do?
Resolved! Any experience with FMC/FTD 7.7.10.X release ? is it stable?
Hi community, I would like to ask for your opinion/experience with 7.7.10.x releases Have you experienced any disruption, serious problem with these versions? in particular with S2S or RAVPN services. Any comment or opinion will be welcome. Thank ...
Electrical Simulation -IBIS Models
Hello, I would like to verify the elecrtrical interface between a QSFP-100G-SL4 and another device. Are there IBIS/AMI models available for the optical transceivers please?
FMC IP change – FTD already onboarded, registration key not available
Hello Community, We are planning to change the FMC IP.The FTD is already onboarded and in sync with FMC (production environment), so factory reset or config loss is not an option. To update FMC IP on FTD, we need the registration key so is there any ...
Sua rede LAN é segura?
Muitas vezes investimos em firewalls e IPS, mas esquecemos que a rede local (LAN) é a primeira linha de defesa. Sem controles básicos nos switches, um simples erro de configuração ou ataque interno pode comprometer toda a rede.Principais riscos na LA...
BGP Communities 🌐
Acho que, assim como eu, você também já ficou com algumas dúvidas sobre BGP Communities. Resolvi preparar esse post justamente pra dar aquela clareada no assunto. Se isso também vive passando pela sua cabeça, talvez esse conteúdo te ajude.! BGP Comm...
Collab on Provider scenearios
Hello community, i need some comments and experiences about the REAL benefits in terms of cost migrating resale approach vs provider approach (i am totally clear in concepts about managed services and all that world) , in clear terms in can only see ...
C8200 router write erase without losing HSEC enabled boot level
We have two Cisco C8200 routers with the following license status: Router A: network-essentials boot level dna-essentials add-on HSEC license activated Router B: network-essentials boot level dna-essentials add-on No HSEC license Due to a ...
DUO Entra CA Policy - Recent Microsoft Authenticator Behavior
We have a conditional access (CA) policy configured in Entra for MFA. Cisco DUO is setup as an external authentication method (EAM). All of the other authentication methods policies are disabled in Entra.We started adding users to the CA policy in ea...
Resolved! Management interface for logical FTD on Firepower 4100
Hi, I'll shortly have to deploy a physical firepower of the 4100 family "4115". I know that the first MGMT interface showing up is for chassis FXOS purpuses. In Cisco videos I've seen that the management interface used for FTD "logical instance" is t...
how does HSRP and OSPF work together?
I inherited a network where there are five routers on the same segment. Two of these routers have HSRP configured to virtualize an IP address, and all of the routers are running OSPF.how do HSRP and OSPF work together? do the routers advertise networ...
