Network Security

I need to do a reimage of a Firepower 1010 and need to remove it from FMC. Since this device have some L2L VPN tunnels, I receive the following error, when trying to delete the device  The Device 'FTD01' cannot be deleted because the following VPN Co...

I have new pair of NGFW 2110's.  I have a virtual FPMC.  This is a new build with relatively few rules (10) and NAT statements (14).  If I make a simple change to the policy and deploy it, it seems to take a really long time.  I'm regularly seeing 7+...

Hi Guys,I am trying to install an FTD 6.4 into my FP4115 with the native type logical device but it is not installing and the blue dot icon states that it is waiting for the previous FTD to be uninstall but I do not see any other FTD installed in my ...

Hi,We are using DHCP snooping and ARP inspection on our switches which is working fine for us so far with PC/laptops, phones  and are now moving Printers on to it and on our 2960x config it works fine but on our 3650's which is running 16.12.4 we are...

Hi, As internet provider, we use the JuniperMX80 device in our company.Our JuniperMX80 device has 3200 lines of configuration. We need to convert this configuration to Cisco configuration.Is there any software or support that can do this directly? I ...

Hello,  I would like to block some public IP addresses in the FMC in a manual way. When I see it in the events I have the option to select to blacklist it.When I go to that blacklist I cannot add manually.  Which is the best way to block a public IP?...

Hello,I am working on a system which needs to configure the date & time of a Cisco Catalyst 9300 Switch.We cannot use NTP protocol to do so. Therefore, this configuration needs to be performed automatically by the system thanks to ssh connection. I w...

Hello! Can't update firepower 6.2.3.16 for some time.Error messages is  " Download updates failed: Update file is corrupted "I do not use proxy, and I have 3 devices , all have the same problem.Any ideas how to fix this? Thank you!

Hi allI'm experimenting with an FTD in Azure where I'm trying to allow VPN services through the FTD to a server behind the FTD. I should be a basic NAT setup where I allow the VPN services (PPTP and L2TP) from the public IP of the FTD to be passed an...

Hi All, I had issue that the primary device was dead as the module died. hardware was replaced everything is fine, i manged to configure it. It replicated well. Primary device is active, secondary device is active as it should be. but now cant login ...

Hello,I have a problem with the Cisco ASA 5506-X. I cannot connect to the device via the mini USB cable. When PuTTy starts, the console shows a blank black screen. It does not respond to any commands. The Power light is green, the status light flashe...

Hi, thereI have a Cisco 5585-X. one of the context is configured with transparent mode. OSPF is used for routing between the two layer 3 devices on the inside and outside the interface respectively. However the hit count for OSPF shows 0. Could someo...