Activity in Security
IPsec VPN, IKE/SA is not established + ping between LANs does not work
Hello everyone,I’m working on my thesis and building a site-to-site IPsec VPN tunnel in Cisco Packet Tracer between two branch offices. Routing works without IPsec, but once the tunnel is configured, LAN-to-LAN communication does not work and IKE/IPs...
Network already exists
Good morning,I have an account with openDNS. I successfully added one of my networks, but I can't add the second oneThe system tells me the network already exists. I may have added this network many years ago, but now it shouldn't be associated wit...
I have a question regarding the deployment of the ISE-PIC agent. Is it
Hi Dears, I have a question regarding the deployment of the ISE-PIC agent.Is it possible (and supported) to install the ISE-PIC agent on an intermediate Windows Server instead of directly on the Domain Controllers? If yes, can the communication betwe...
Resolved! ISE 802.1x PEAP-EAP-TLS Auth with Entra ID ISE 3.5 Availability
We have recently Migrated from EAP-TLS to PEAP-EAP-TLS against Ad and Entra, AD side works awesome, but I know availability to be able to pull device/ user groups from Microsoft Entra is included in ISE 3.5. We have been patiently waiting, but was wo...
ISE upgrade 3.3 to 3.4 any problem
anybody have problems upgrading ISE upgrade 3.3 to 3.4 any problem
Using Let's Encrypt Certificates with Cisco FirePower, ISE & IOS XE
Table of Contents Table of ContentsSummaryLet's EncryptTraditional Certificate ProcessInstalling CertbotLet's Encrypt RegistrationDomain Validation ProcessGenerating a CertificateUse Certbot to request a certificate for ravpn.ourdomain.netUse your ...
Resolved! FMC 7.6.2 upgrade to 7.6.2.1
I have updated FMC to version 7.6.2. I’m wondering, since my FTD is currently running version 7.4.2.2 — should I first upgrade the FTD to 7.6.2 and then patch FMC to 7.6.2.1?Or, can I patch FMC to 7.6.2.1 right away and then upgrade the FTD to 7.6.2 ...
Dynamic voice VLAN assignment when different phone systems are in play
First, understand I have no control over the different types of phones systems. This is a very large enterprise that is a child of an even larger enterprise (50K plus users). The parent organization uses a Cisco phone system while the child organiz...
Unable to ssh the FTD device
Dear Team, I unable to ssh the FTD device. No External authentication is configured. Local authentication enable. When ssh the device user name & password asking. After giving proper credentials access denied. But on same credentials we able to login...
Release of Active Directory Connector - Version 1.15.2
On Saturday, November 1st, 2025, Cisco will release version 1.15.2 of the Active Directory Connector (the Windows Service component) to the first wave of production. On Saturday, November 8th, 2025, Cisco will release version 1.15.2 of the Active Di...
Release of Virtual Appliance (DNS Forwarder) - Version 3.8.3
On Monday, October 27th, 2025, Virtual Appliance (DNS Forwarder) version 3.8.3 will be released to the Stage track. On Monday, November 3rd, 2025, Virtual Appliance (DNS Forwarder) version 3.8.3 will be released to the Production-1 track. On Monday,...
Release of Active Directory Connector - Version 1.15.2
On Saturday, November 1st, 2025, Cisco will release version 1.15.2 of the Active Directory Connector (the Windows Service component) to the first wave of production. On Saturday, November 8th, 2025, Cisco will release version 1.15.2 of the Active Di...
Supplicant stopped responding to ISE
Anyone know how to fix error 'Supplicant stopped responding to ISE'? I try to increase 802.1x timer but not helping. When we use EAP-TTLS is mandatory that ISE certificate should be apply in the endpoint? Event5411 Supplicant stopped responding to ...
Resolved! CIsco ISE 802.1x EAP-TLS authentication with Entra ID
Our customer exisitng environment all PC join to entra id and no any infra in on-premise Now. they would like to implement new Wi-FI with kind of this solutions but it's look like very new for us and less experience Therefore, may I asking in this co...
Release of Umbrella Virtual Appliance - Version 3.8.3
On Monday, October 27th, 2025 Cisco Umbrella will release Virtual Appliance (VA) version 3.8.3 to the Stage track. On Monday, November 3rd, 2025 Cisco Umbrella will release Virtual Appliance (VA) version 3.8.3 to the Production-1 track. On Monday, N...
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