Network Security

Hi I am aware that BFD Echo does not work through transparent firewall because of identical source/destination IP/MAC addresses. However, would you be so kind to confirm if Plain BFD is supported (i.e. non Echo mode) If so, has anyone implemented it?...

Hi!I am troubleshooting an issue with DHCP snooping. I have the following network topology (see the diagram in the attachment)DHCP snooping is enabled on the access switch, which is connected to the core network where DHCP snooping is completely disa...

Hello everybody, our customer has HA pair of two Firepower 4115 running rel. 7.4.2.1. TheFMC is running rel. 7.4.2.1 too. We found a message that the failover will not working because interfaceEthernet1/7 is DOWN on the standby unit (see screen dump ...

I am trying to figure out a design for FTD (single unit or HA) that establishes multiple VPN tunnels to the same remote site and forwards traffic actively through all the active VPN tunnels to the same destination subnet (ECMP). Either Static or dyna...

Hi All, Can i integrate my Fmc running 7.4.2 with Cisco Security Cloud. Also if i do, is it any impact in running production. 

Every time I type in https://192.168.1.1 into my web browser, it keeps giving me a "page cannot be displayed" error and it happens on any browser. I'm running Java 6 update 7. I could get on it before when I used it to download ASDM but for whatever ...

Can multiple rules be referenced in the API script to disable those that are unused?  

i have ASA FTD 5516-X & I have inside interfaces for each subnet vlanG1/2 it-managementG1/3 it-lanG1/4 it-printersg1/5 it-officewifiG1/6 it-guestwifiand G1/1 outsideand i have 5 networkobjects for each vlan as below :NET-it-management                ...

Connection events are forwarded to the FMC even if logging is configured to send them only to the syslog. (See the attached image). Is this a bug in FMC 7.2.4?  This is a big problem because it fills the database and reduces the Event Capacity to a f...

HI, Today we upgraded FMC to 7.4.2 without problems, but FTD upgrade failed. Unfortunately it's not possible to rerun, resume or cancel  the process since "Upgrade Workflow is still active".  All  activities  against FTD is blocked because of that. H...

Tring to get an on-prem virtual FMC server and Azure based Ubuntu box to operate as estreamer in CEF. Cannot get past the following error TypeError: SSLContext.wrap_socket() got an unexpected keyword argument 'keyfile' - full output below.Ubuntu 24.0...

Hi,I'm thinking about follwing internet edge FTD setup for branch offices. Firewall pair FTD1a/b has two interfaces in public provider outside VLAN.Interface "inline-outside" is an inline-set to threat protect access to AnyConnect VPN peer FTD2a/b be...

Hello everybody, our customer has different Firepower appliances running rel. 7.4.2.1an two ASA5516 running 7.0.6.3. The FMCv is running rel. 7.4.2.1 too. For the firewalls in the remote sites we get the error message (see screen dump): Cisco Support...

how to get from FMC, top talkers with API (URI)? The FMC version is 6.6.5.2 (build 14)

Hello! Could you please guide how to get the bypass code to log into the firewall migration tool? it says that: Verify it's you by entering a code from your IT help desk (What IT help desk meant?)Is the tool can be used by cisco partner just by downl...