Resolved! Issue with ASA losing static nat rules
I have a customer with an ASA 5510 with asa915-k8.bin software running. The static nat rules keep disappearing for no apparent reason. The rest of yhe configuration is unaffected.
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)
(9,635) -
Cisco Bugs
(59) -
Cisco Cafe
(25) -
Cisco CLI Analyzer
(1) -
Cisco Cloud Services Router
(1) -
Cisco Defense Orchestrator (CDO)
(150) -
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)
(48) -
Cisco Secure Firewall Management Center (FMC)
(255) -
Cisco Secure Firewall Threat Defense (FTD)
(307) -
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
(15) -
EEM Scripting
(1) -
Emergency Responder
(1) -
Endpoint Security
(6) -
Enterprise Agreement
(1) -
Event Analysis
(265) -
FirePOWER
(1) -
Firepower Chassis Manager (FCM)
(2) -
Firepower Device Manager (FDM)
(16) -
Firepower Management Center (FMC)
(408) -
Firepower Threat Defense (FTD)
(221) -
Firewall Migration Manager (FMM)
(1) -
Firewall Migration Tool (FMT)
(38) -
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
(6,581) -
IPS and IDS1
(1) -
IPS-IDS
(1) -
IPSEC
(1) -
IPv6 Configuration
(1) -
ISE
(1) -
LAN Switching
(7) -
License
(325) -
MPLS
(1) -
Multicloud Defense
(3) -
Network Management
(94) -
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
(10,792) -
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
(4) -
Wireless Security
(1)
- « Previous
- Next »
Forum Posts
Hi,I just upgraded ASA to 9.1.3 version and of course I also upgraded ASDM to 7.3.1The problem is : ASDM 7.3.1 is consuming all CPU and become unresponsive. In java console, I can see a message in loop : [AWT-EventQueue-0] ERROR com.cisco.dmcommon.ut...
Resolved! LAN Failover in ASA 5505
I have two web server and I want to configure ASA 5505 in such a way that it forward all incoming request to ServerA. In case if ServerA is down or failed ASA 5505 automatically forward all incoming request to ServerB.I am new to ASA 5505.Thanks in a...
Hello,I am currently in the process of setting up our two new Cisco firewalls (both are 5515-Xs) and have two questions in regards to that, since I'm rather new to ASA configurations. 1. I want to use the configuration of our old ASA (5510), which sh...
I'm creating a zone base firewall solution and all appears to be fine until I create a class-map type inspect match-all or anyand match access-group name acl to match an extended ACL and once I match it the commands runs but when I go back to view th...
Hi, I'm studying for my CCNA and needed some help understanding the function of some basic ssh commands. In simple English if possible I'm very new to networking in general. ip domain-name - What does the command actually do why do we need this for S...
Hi all, I didn't find an answer to my question in this forum, even if some persons have spoken about this subject.I am running with a current Active/Standby configuration of two ASA 5520 with version 8.2(5).I want to reverse their configuration as th...
Hi All,could you help me, i need configure cisco asa QOS and the rule like below :i have 3 subnet behind the asa and i need configure QOS with rule like 1 subnet i give 50% bandwidht and 2 subnet i give 25 % each. but if the traffic to internet is em...
Resolved! Cisco ASA - FQDN Firewall rule
Hi,I need create a new firewall rule using a regex. I looking for this in all Cisco documentation but I do not found nothing about it. Can Cisco ASA support this kind of firewall rule ? Thanks,
Hi, I have 2 core swicthes 6513 each has 1 IDSM2 module installed. How I can configure redundancy between IDSM2??Thanks
Dear all,I need help regarding this issue. I have already did hosting of another service using port forwarding,it's working fine. But SSH is not working,i am able to access it from my LAN
Hello,I need some help with a fairly basic situation. I have a cisco 2911 ISR G2 router that is acting solely as a Communications Manager Express phone system, i.e., there is no data that needs to flow out of the router to the Internet. I do have 3...
can i do Policy based routing on asa 5512-x.My requirement is i have 2 lans and 2 isps. I want one lan network to go for internet through isp1 and the other lan network through isp2.is this be possible with destination nat ?please help
I've set up several ASA's in the past and I always see the global policy is in place by default but when setting up a new 5525x I noticed there is no global policy by default. When did this change?
Hi, I'm getting the following error form console when booting up Cisco ASA firewall...How do we determine the issue if its hardware or software related? ERROR: Type:2; Severity:80; Class:1; Subclass:3; Operation: 3
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 |
|---|---|---|
| 07-22-2026 05:00 AM | ||
| 07-16-2026 06:39 AM | ||
| 07-15-2026 08:48 AM | ||
| 07-13-2026 11:05 AM | ||
| 06-24-2026 08:00 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 2 | |
| 2 | |
| 1 | |
| 1 | |
| 1 |
