Hi Guys, Im pretty new to Cisco and im setting up an ASA 5506-x for the first time. I am not able to communicate between the sub interfaces on my ASA. Everything else is working fine. I have 3 sub interfaces: 1.vlan 10 (10.0.10.1/24) 2.vlan 50 (10.0...
Network Security
Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Adaptive Security Appliance, Secure Firewall Management Center, and Security Cloud Control.
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
- Cisco Community
- Technology and Support
- Security
- Network Security
Options
- Mark all as New
- Mark all as Read
- Float this item to the top
- Subscribe
- Bookmark
- Subscribe to RSS Feed
- Threaded format
- Linear Format
- Sort by Topic Start Date
Labels
-
AAA
(8) -
Access Control Server (ACS)
(6) -
Access List
(4) -
ACI
(10) -
Advanced Threats
(1) -
AMP for Endpoints
(1) -
AnyConnect
(3) -
APIs
(1) -
Appliances
(18) -
ASA
(1) -
ASR 1000 Series
(1) -
Branch Router
(2) -
Buying Recommendation
(87) -
Catalyst 2000
(1) -
Catalyst 3000
(2) -
Catalyst 4000
(1) -
Catalyst 6000
(1) -
Catalyst 8000
(1) -
Catalyst 9000
(2) -
Catalyst Switch
(2) -
Catalyst Wireless Controllers
(1) -
Cisco
(1) -
Cisco Adaptive Security Appliance (ASA)
(9,586) -
Cisco Bugs
(41) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(147) -
Cisco Firepower Device Manager (FDM)
(812) -
Cisco Firepower Management Center (FMC)
(2,909) -
Cisco Firepower Threat Defense (FTD)
(3,164) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Device Management (FDM)
(33) -
Cisco Secure Firewall Management Center (FMC)
(152) -
Cisco Secure Firewall Threat Defense (FTD)
(189) -
Cisco Security Cloud Control
(8) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(18) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(45) -
Cloud
(1) -
Cloud Security
(3) -
Community Bug or Issue
(1) -
Community Feedback Forum
(31) -
Community Ideas
(18) -
Compliance and Posture
(1) -
Crypto
(1) -
CSC Content with No Valid Community to Post
(1) -
CUBE
(1) -
CUCM
(1) -
Data Center Networking
(1) -
Device Admin
(14) -
EEM Scripting
(1) -
Emergency Responder
(1) -
Endpoint Security
(6) -
Enterprise Agreement
(1) -
Event Analysis
(263) -
FirePOWER
(1) -
Firepower Chassis Manager (FCM)
(2) -
Firepower Device Manager (FDM)
(16) -
Firepower Management Center (FMC)
(408) -
Firepower Threat Defense (FTD)
(221) -
Firewall Migration Tool (FMT)
(32) -
Firewalls
(1,171) -
FMC
(1) -
General
(2) -
Guest
(1) -
Identity Services Engine (ISE)
(9) -
IE3300
(1) -
Integrated Security
(8) -
Integrated Security Architecture
(1) -
Integrations
(4) -
Investigation
(2) -
iOS
(1) -
IPS and IDS
(6,576) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(322) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(92) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,579) -
NGIPS
(1,874) -
Online Tools and Resources
(1) -
Optical Networking
(3) -
Optics
(1) -
Other Collaboration Topics
(1) -
Other Community Feedback
(4) -
Other Firewalls
(1) -
Other NAC
(18) -
Other Network
(2) -
Other Network Security Topics
(10,780) -
Other Networking
(9) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(11) -
Other Switching
(4) -
Other VPN Topics
(1) -
Passive Identity
(1) -
Physical Security
(20) -
Policy and Access
(2) -
Prioritization
(3) -
Remote Access
(2) -
Room Endpoints
(1) -
Routing Protocols
(8) -
SD-WAN Security
(1) -
Secure Network Analytics
(1) -
Security
(3) -
Security Management
(641) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(4) -
Small Business Security
(2) -
Sourcefire
(2) -
Support
(2) -
Threat Containment
(6) -
Threat Defense
(1) -
Threat Grid
(1) -
Unified Computing System (UCS)
(1) -
Voice Gateways
(1) -
VPN
(24) -
VPN and AnyConnect
(1) -
Vulnerability Management
(43) -
WAN
(7) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi,I really need your help on a certain configuration.I tried deploying two FTD-2110 on my network.After all configurations, workstation connected to vlan85 whose gateway is patched on FTD_1 could not reach a workstation on vlan_10 whose gateway is p...
Resolved! Cisco ASA 5525 ruleset
Good morning/afternoon/evening depending on where in the world you call home. Hoping this is an easy one for you all. My boss has asked me for a copy of the rule-set from our firewall. I did the copy start tftp command and have the start-up config ...
Hi, we have internal client talking to outside but I cant see ant traffic on FTD and Looks its communication is not reaching at that level and breaks at SSL handshake. Server guy confirmed me that ssl handshake is not completing. Can I capture ssl ha...
I have a group of Firepower 2100 devices all in a HA pair and have noticed this similar issue with each pair after upgrading. We were on code 6.2.3, and then performed upgrade path to 6.4 then to 6.4.0.9 All of this goes well however after some time ...
Besides VPN and Leased line Is there anything else besides this to prove the security?
I am having an issue with Connect my two Nexus Core switches to Firepower 2110 in HA. I have connectivity to the active firewall but I am not sure how I connect the standby firepower to the nexus switches. I different options ( L3 ports or VPC) and a...
Community,I am getting ready to pair a couple of 2140 FTD appliances into an HA pair. The Primary appliance has a multitude of subinterfaces that represent different networks/vlans on both my "Inside" Interface and my "DMZ" interface. However, I am n...
Resolved! Viewing active VPN sessions via ASDM
Hello,I noticed that I am unable to filter VPN sessions by username (Filter by AnyConnect Client). filter by anyconnect client displays list off all sessionsI can see e.g. user Adam Orange in the list with user name being Adam Orange,once I try filte...
I have an Older Cisco ASA 5585-X Firewall that I tried to upgrade the IOS. After reload I did a Show Boot and that is showing the New IOS. When I do a Show Version it shows that it is running the Old IOS. I also looked at the Configuration Registry ...
Hi I just want to find out if this is normal as it is a pain to the troubleshoot devices that hits my deny policy as every Dot1x sessions has a MAB failed session then a Dot1x session permit session. My switch config does specify to use Dotx1 first ...
I have done a bunch of researching and I have tried some troubleshooting when the problem occurs but I'm just coming up empty-handed. This is really frustrating my family and myself. We have TimeWarner cable. From the Motorola cable modem I go rig...
Hello, While migrating ACLs from old ASA to new FTD managed by FMC I came across this situation.Network administrator were using 255.255.0.255 mask to cover 1st, 2nd and 4th octet and let 3rd octet be flexible in ACLs to be used with for example this...
Hi I have an issue with Allowing traffic to Office 365 through our Cisco ASA 5525-X firewall using O365 FQDNs. We have an internal vlan that needs to use O365 for emails. I have allowed traffic on the following ports but the traffic is being blocke...
HiNew to firepower api. Any tips on creating scripts?Can you give an example of API with1. adding a new ACL2. Removing an existing ACL3. Adding an object (like ip address)I already have these items in excel. Ideally, there would be a process to sav...
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide
Unanswered Topics
| Subject | Author | Posted |
|---|---|---|
| 01-21-2026 03:34 PM | ||
| 01-21-2026 11:24 AM | ||
| 01-20-2026 01:44 PM | ||
| 12-31-2025 01:53 AM | ||
| 12-15-2025 09:32 PM |
Top Solution Authors
| User | Count |
|---|---|
| 4 | |
| 4 | |
| 3 | |
| 2 | |
| 1 |
