All, I've recently started to configure a NAT'ing policy for a cisco ASA 5515 (using FirePower) and I have run into some seriously odd issues. Here's the basic scope.Physical Config:single upstream (1 Public in a /26) link on ASA rest are downstream...
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
(9) -
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
(3) -
Catalyst Wireless Controllers
(1) -
Cisco
(1) -
Cisco Adaptive Security Appliance (ASA)
(9,624) -
Cisco Bugs
(54) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(149) -
Cisco Firepower Device Manager (FDM)
(812) -
Cisco Firepower Management Center (FMC)
(2,909) -
Cisco Firepower Threat Defense (FTD)
(3,163) -
Cisco Press Cafe
(1) -
Cisco Secure Firewall Device Management (FDM)
(44) -
Cisco Secure Firewall Management Center (FMC)
(234) -
Cisco Secure Firewall Threat Defense (FTD)
(284) -
Cisco Security Cloud Control
(16) -
Cisco Security Manager (CSM)
(3) -
Cisco Software
(19) -
CISCO START ANZ
(1) -
Cisco Threat Response
(1) -
Cisco Vulnerability Management
(46) -
Cloud
(1) -
Cloud Provisioning
(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
(264) -
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)
(37) -
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
(6,580) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(324) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(93) -
Network Security
(2) -
Networking
(1) -
NFVIS
(1) -
NGFW Firewalls
(37,594) -
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
(10,791) -
Other Networking
(9) -
Other Routers
(9) -
Other Routing
(24) -
Other Routing and Switching topics
(2) -
Other Security
(1) -
Other Security Topics
(18) -
Other Switches
(12) -
Other Switching
(4) -
Other VPN Topics
(1) -
Passive Identity
(1) -
Physical Security
(21) -
Policy and Access
(2) -
Prioritization
(3) -
Remote Access
(2) -
Room Endpoints
(1) -
Routing Protocols
(9) -
SD-WAN Security
(1) -
Secure Network Analytics
(1) -
Security
(4) -
Security Management
(645) -
Segmentation
(3) -
Service Providers
(1) -
Small Business Routers
(5) -
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
(28) -
VPN and AnyConnect
(1) -
Vulnerability Management
(46) -
WAN
(8) -
Web Security
(5) -
Webex Teams
(1) -
Wired
(3) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
we need to sanitize several SG300-10 managed switches.Is there a sanitization document for this? thanksmike
I have the threat-detection setup like the following:threat-detection rate scanning-threat rate-interval 600 average-rate 6 burst-rate 20threat-detection rate scanning-threat rate-interval 1200 average-rate 5 burst-rate 15threat-detection rate scanni...
Hi, I've three question please. 1- I have one public ip only, any on the outside need to access a server on the inside on port Ex: 5000i think the command should start : nat ( outside, inside) .... 2- some users online they implemented a similar ...
Dear All,I am not too good with Cisco ASA, but I can follow the instructions if given. I need to configure QoS to reserve bandwidth for one of the public IP. This IP is for Video Conferencing. Please any one let me know which steps shall I follow to ...
hey all i need some expert opinions from the good experienced folks on hereHow do u guys think an asa will behave if loging monitor and logging console are left on and the memory capacity reaches limit...assume the asas in failover..will all the conn...
Hi all, I am having an issue that I cannot seem to figure out. Yesterday I had to replace a battery in one of my UPS units so I had to shut a bunch of stuff down. Before I did that I went into each unit and did a wr mem and a copy running to startup ...
Resolved! Manual Nat after auto
Hi,Could you please provide a example of Manual Nat after auto(Section 3) and where i can use this. Thanks,Mahesh
Resolved! SourceFire IPS updates
We are in the process of putting in new firewalls with SFP IPS modules in them that will be managed by a SourceFire security center appliance (a 1500 series) I know with the old IPS systems, the modules would get their signature updates directly. Wil...
1. what kind of fragmented attack do? fragmented icmp, fragmented ipv6?2. where do fragmented attack reassemble?3. how to identify fragmented attack from log? which software? and how?
I've got an ASA 5505 and I'm not very familiar with ASAs, let alone the 8.3+ release versions. I'm trying to set up some port forwarding, and using port 3389 just to test. I have this set up in the ASA:object network PC_IP nat (inside,outside) static...
Resolved! Port forwarding on ASA 5510
Hi all Have ran into an issue on my ASA 5510. I have recently added a web server to directly into Ethernet port 2 on the ASA. It will be accessed from the internet so as a result, is on its own dedicated interface, separate from the internal network....
ASA Version 8.2(5) I am having issues getting some NAT'ing and port forwarding to work on my ASA5505. I think I am just missing something small, as I have 5520s with the same type of configs that work fine. First i have a global nat so inside resour...
Resolved! Firewall Security Context Failover
HiI have a Cisco 5585 running in multi context mode with 4 contexts enabled: Admin, Red, Blue, WhiteAll contexts are assigned to join-failover-group 1All contexts are currently Active in Primary firewallWould I be able to failover just the Blue conte...
Resolved! Can't Connect ASDM to ASA 5525x
Hi everyone, i need some help connecting ASDM to ASA 5525x management portits a brand new ASA i just updated ios and ASDM port configuration is folowig Managemnt por 0/0 ip 192.168.1.1 secure-level 100http server enablehttp 192.168.1.10 255.255.255.2...
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 |
|---|---|---|
| 06-08-2026 11:55 AM | ||
| 05-26-2026 07:54 AM | ||
| 05-02-2026 06:09 AM | ||
| 04-30-2026 12:46 AM | ||
| 04-24-2026 07:04 AM |
New solutions
