Network Security

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For FTD, managed via FMC, looks like passive interface is only supported on OSPFv3. Regular OSPF doesn't have the option, is this correct?So if I advertise a connected interface/network on the FTD into ospf via "Add Area" option, this potentially lea...

Been looking at BRKSEC-2020 slides on FTD EtherChannel to VSS...I normally use a L3 transit between an inside router and a firewall, but as far as I can determine, with 3110s connecting to a VSS core using MCEC, I would not have that option because t...

lcaruso by Level 10
  • 1128 Views
  • 3 replies
  • 0 Helpful votes

I am using FTDv version 7.3 FDM to configure policy-based VPN using a Hub and Spoke topology in a lab environment. The spoke's VPN profile uses two different outside interfaces as it's source (outside1 & outside2). Each spoke dynamically pulls it's o...

ChrisNye by Frequent Visitor
  • 4689 Views
  • 5 replies
  • 0 Helpful votes

Hi,This is my first post on this forum. Actually, I'm having trouble upgrading to the latest Cisco firmware in a site-to-site VPN.The ciphers used in the current version do not work in the upgraded version, so I want to know which ciphers will work a...

edwinjosey by Community Member
  • 2966 Views
  • 5 replies
  • 0 Helpful votes

Hi all, Not sure when this has started happening but my FMC stopped showing changes in the deployment screen, I just get "No changes found. Unable to generate diff. Please try a successful deployment and try again.However, even after successful deplo...

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atsukane by Level 7
  • 2556 Views
  • 2 replies
  • 0 Helpful votes

I'm trying to install a firmware using the FXOS API and Anisble.I have successfully upgraded the FXOS version from 2.10(1.234) to 2.12(1.29) using this method. Now I want to install the SSD-patch affecting our device, but I get an error message:"Inte...

rubenapi by Frequent Visitor
  • 1429 Views
  • 1 replies
  • 0 Helpful votes

I have 3 Zerto servers Z-VRA-INDMZEXZI01, Z-VRA-INDMZEXZI02 and ZERTOPL01during scan there were vulnerabilities detected. After Scanning getting below mention vulnerabilities.3 UDP Source Port Pass FirewallSOLUTION:Make sure that all your filtering r...

Have an FMC 4500 where we set a custom community string in Settings -> Configuration -> SNMP.  However, our vulnerability scanner is alerting us that it has a default community string of public.  Ran snmpwalk and confirmed that it does reply to the c...

cdby by Community Member
  • 1032 Views
  • 2 replies
  • 0 Helpful votes

Hello, We are attempting to migrate two FTDs managed on FDM to FMC. The new FMT version provides the option to migrate from FDM to FMC; however, due to a bug in the code the tool crashes at the last step. We opened a ticket with Cisco TAC and we are ...

Resolved! MX DHCP Issues

We have been having this issue for a while. Meraki has not provided a solution. Our MX device stops responding to DHCP requests. The pool is nowhere near maxed out. We have downgraded and replaced the MX, but nothing helps. We checked the device util...

Jess65065 by Level 1
  • 14148 Views
  • 2 replies
  • 0 Helpful votes