Cisco Firewall :: ASA5510 Dynamic Routing And Static NAT

Dec 10, 2011

I have a ASA5510 with 2 internal interfaces (inside1 and inside2 same security level) configured with OSPF for dynamic routing with 2 routers to corporate subnets. I have a server in a private subnet that needs to be accessed from Internet. So static pat is used in ASA with the command
static (inside1, outside) tcp interface www www netmask
As OSPF is in use, the subnet may be reachable from interface inside2. When I tried to configure the static command for inside2,
static (inside2, outside) tcp interface www www netmask error message came out "WARNING: mapped-address conflict with existing static...". Is this just a warning, or this is not possible in ASA.

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Cisco VPN :: Dynamic From SA520 To ASA5510 With Static IP

Sep 7, 2011

Is it possible to configure a Site to Site VPN from a SA520 with Dynamic IP (DSL) to a Cisco ASA5510 with static IP? I need to make sure about because i am trying to sell this solution to a customer with two branch offices with DSL connection and a Main Office with Metroethernet.
I know that using a a pre-share-key on the defaultl2lgroup of the ASA, the ASA will accept any site to site VPN. I have tried this with the ASA 5505  instead of the SA500 for the branch office, but the ASA5505 is too expensive for my customer.

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Cisco Firewall :: Dynamic PAT And Static NAT ASA 5515

Mar 23, 2013

Recently we migrated our network to ASA 5515, since we had configured nat pool overload on our existing router the users are able to translated their ip's outside. Right now my issue was when I use the existing NAT configured to our router into firewall, it seems that the translation was not successful actually I used Dynamic NAT. When I use the Dynamic PAT(Hide) all users are able to translated to the said public IP's. I know that PAT is Port address translation but when I use static nat for specific server. The Static NAT was not able to translated. Any conflict whit PAT to Static NAT?

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Cisco Firewall :: ASA 8.4 NAT Static And Dynamic With Same Public IP

Nov 8, 2011

in ASA 8.4, I need to use to static nat an internal IP with a public IP and use the same public IP to dynamic nat another internal IP:
-nat (inside,outside) source static IP1_PRIVATE IP_PUBLIC
-nat (inside,outside) source dynamic IP2_PRIVATE IP_PUBLIC
All outgoing connection from IP1_PRIVATE and IP2_PRIVATE should be natted to IP_PUBLIC and all incoming connection to IP_PUBLIC should be forwarded to IP1_PRIVATE: is it correct ?

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Cisco Firewall :: 8.4(2) Static NAT Versus Dynamic NAT

Oct 5, 2011

we are running 8.4(2) on the asa with the below configuration we basically have a static for .7 on .25 and a nat for .7 for port direction with manual nat that takes precedense over auto nat within the object group am I correct that I dontneed the dynamic statement and that its redundant?

-object network obj-10.X.0.25-02host 10.X.0.25
-object network obj-10.X.0.25nat (any,INSIDE) static X.X.X.7 dns
-object network obj-10.X.0.25-01nat (INSIDE,OUTSIDE) static X.X.X.7 service tcp smtp smtp
-object network obj-10.X.0.25-02nat (INSIDE,OUTSIDE) dynamic X.X.X.7

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Cisco Firewall :: Static Nat On ASA5510

Aug 25, 2012

We have network topology:

Inside Network ( --- ASA5510----- Outside network (
ASA5510 have: Inside interface:; outside interface:
And we config:
# object network obj_inside
# subnet
# nat (inside,outside) dynamic interface
So, we í in from outside, we can't access web at

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Cisco Switching/Routing :: 1841 - Static And Dynamic NAT Configured But Not Working

Mar 21, 2013

I have configured Cisco 1841 router PAT buts its not worked, find the below configuration details,
In LAN  interface
Interface gigabit Ethernet 0/0
no shutdown
Similarly I have configured static and dynamic nat but its not works in my customer place.

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Cisco Firewall :: ASA5510 Static Nat From Outside To 2 Internal Interfaces?

Mar 18, 2012

I have an ASA5510 running 8.2 code and I have over 200 static nats from  the outside to the inside interface and that is how I expose our systems  to the Internet.  If this inside interface fails we also have a bypass  interface that also terminates on the internal network but I am not sure  how the nats will behave given they are statically mapped to the  inside.

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Cisco Firewall :: ASA5510 Static 1to1 NAT Configuration

May 21, 2012

We are replacing our EOL Watchguard X1000 Firewall(s) with Cisco ASA 5510 unit - ASA Version 8.4(3).  Following is the static NAT I have build and the corresponding access list.
nat (FW2Inside,FW2Outside) source static BW_XSP1_Private BW_XSP1_Public destinat
ion static BW_XSP1_Private BW_XSP1_Public

access-list FW2Outside_access_in extended permit tcp any object BW_XSP1_Public object-group DM_INLINE_TCP_1
Unable to access the server on the inside interface via the public NAT address. Can you point me in the right direction as to what I might be missing to make this work?

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Cisco Switching/Routing :: ASA 5505 - Dynamic And Static Internal Hosts Setup

Nov 21, 2012

I'm working on setting up a template configuration for the Cisco ASA 5505 device that we'll use to configure more routers for various client needs. One of the requirements requested of me is the following: Internal hosts assigned a DHCP address are blocked from the internet Internal hosts with a static IP are permitted access to internet All internal hosts can communicate regardless of state
Now, I'm fairly new to this and I'm certain my terminology isn't correct so googling the problem has been fruitless. I have followed basic configuration guides and have configured the device to hand out DHCP addresses to hosts plugged in ports 1-7. If I'm plugged in and specify my address manually in the OS I am blocked from any access so I can only assume there is an access policy or some rule preventing me from authenticating against the router despite having set up VLAN1 to be the entire class C subnet. What sort of steps would I need to do to configure this? New access lists. For the record, the dhcp addresses are in the range of VPN users are assigned an address from and there seems to be no issues with that configuraiton. I don't wish to constrain what addresses a user can use should they specify a static IP ( should be just as valid as

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Cisco Firewall :: ASA5510 With Dual ISPs And Static NAT On Backup

Dec 12, 2012

Looking to have an ASA5510 with two internet feeds. Moreover, I would like to have my static nat translations continue to work on the backup feed. I have outbound nat working, however I cannot get the inbound nat to work. I had this all figured out in 7.x but now with 8.x I cannot seem to get it working. If anyone has a 8.x example config.

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Cisco Switching/Routing :: Does The 22xx Series FEX Support Static Or Dynamic LAGs Between Itself And A Server

Nov 18, 2012

Does the 22xx Series FEX support static or dynamic LAGs between itself and a server?Imagine a server with dual 10G NICs, and I need to connect them to the SAME 22xx FEX....can I set up a LAG between the two 10G NIC ports and two 22xx FEX Host ports? Does it depend on how the FEX is connected to the parent 55xx?

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Cisco Firewall :: ASA5510 - Applying Static Command / Not Found Error

Apr 3, 2011

I have Cisco ASA5510 OS version 8.4(1), when i try to apply static command, this command is not found, the NAT issues used nat(inside,outside).

So why i can't found this command ?

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Cisco Firewall :: ASA5510 Static Routes For Management Interface Not Working

Mar 30, 2011

We have several pairs of ASA5510s in failover A/P mode, some running 8.3(2) and others running 8.4(1).
e0/0 = outside
e0/1 = inside
m0/0 = management
The problem we're having is we can't get anything to route out of the management interface unless we put in a static route at least to the subnet level. For example, we want syslog traffic to exit out m0/0 to our syslog server Our 'gateway of last resort' points to the next hop out e0/0, and a second static route with a higher metric and a more distinct network space is for m0/0 as in:
route outside 1route management 10
This doesn't work, and ASDM loggin gives this error: ".....Routing failed to locate next hop for udp from NP Identity Ifc: to management:"
If I put in a more granular subnet route, or a host route of the syslog server it works, such as:
route management 10   <------------- this works
route management 10   <------------- this works too
Why won't a static route for work in this case?
We are going to have numerous hosts access and be sent messages though the management interface of these ASAs, and it would be very burdonsome to have to add a host, or even a subnet, route for every one. I've removed all static routes and tried to rely on EIGRP, but that doesn't work. I also had to put 'passive-interface management' under the EIGRP for this to work.
Here is the pertinant ASA config concerning syslog, routing, and interfaces:
interface Ethernet0/0 nameif outside security-level 0 ip address standby !interface Ethernet0/1 nameif inside security-level 100 ip address standby


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Cisco Firewall :: Create Static PAT To Allow Host Address To Access Network Through ASA5510

Aug 23, 2012

The old syntax that I am much more familiar with has been deprecated.  On older IOS it would have been something like static (inside,outside) tcp 14033 1433 netmask  Plus an extended ACL to allow the traffic.I am trying to create a Static PAT to allow a host address to access our Network through an ASA.  I have external address that I want to hit the external interface on an obscure port (say 14033) and translate that traffic to an internal host address on  port 1433.

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Cisco Switching/Routing :: Nexus 2000 How To Configure Dynamic-pinning / Instead Of Static Pinning

Sep 18, 2012

Any info on how to configure dynamic-pinning, instead of static pinning on a Nexus 2224 connected to a 7009?Can't seem to find anything on CCO!

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Cisco VPN :: ASA5510 Dynamic From RV042

Feb 23, 2012

So far I have a complete phase 1, and an almost complete phase 2, but one thing I can't figure out. I see this in the debug. peer is not authenticated by xauth - drop connection.
I get it right after the proxy is setup.
Here is my config
group-policy DefaultRAGroup attributes
vpn-idle-timeout none
vpn-tunnel-protocol ikev1 l2tp-ipsec


I have tried many different configurations on both sides, but they all fail with the same error of peer not authenticated by xauth.

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Dynamic Vs Static IP's?

Jan 29, 2013

Okay so I currently have an ISP that offers the standard "2 Dynamic IP's" and I'm wondering how to utilize this? The tech guy said I need a HUB...but I'm not sure what kind and where to get one etc. Secondly, even if I am able to get this second IP going, will they be entirely separate IP addresses? I need the IP addresses to be completely separate and untraceable to the same source. Is this the case or can you somehow trace back the two dynamic IP's to the same source IP? Will I need two different static IP's if I want the two connections to be entirely separate, unrelated, and untraceable from each other?

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Cisco VPN :: ASA 8.4(3) Dynamic VPN And Static Routes?

May 20, 2012

I am running an ASA with 8.4(3) and am trying to setup a dynamic VPN tunnel.  We are having a business reason to establish a VPN tunnel to customers who do not have nailed down IP addresses.  Now I found a number of documents that outline the steps involved.  It seems the basic steps were to Establish a regular tunnelAdd dynamic crypto mapAssign the dynamic crypto map to the tunnel created under step 1. While this sounds pretty straight forward and simple, while prepping for doing just this I hot a road block while thinking it through. In order for my ASA to put anything into the tunnel it has to have a route to the remote network pointing at my VPN peer at the  end of the tunnel.  How do I do this in a dynamic tunnel?  How do I add a dynamic route so the ASA knows which tunnel to stuff the traffic into?  How do I stop the traffic from just being send to the Internet?

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Cisco VPN :: 5505 - Dynamic IP ASA 8.3(2) To Static IP ASA?

Aug 22, 2011

Trying to connect a 5505 with a dynamic address on 8.3(2) to a static IP'd asa (5510 on  8.2(1) with a DefaultL2LGroup and dynamic maps already created. 
Inside networks:
Local (5505) /24
Remote (5510) /24 
Configuration on 5505
isakmp policy 20 authentication pre-share isakmp policy 20 encryption 3des isakmp policy 20 hash md5 isakmp policy 20 group 2 isakmp policy 20 lifetime 3600 isakmp enable outside access-list 100 extended permit ip (inside,any) 0 access-list 100tunnel-group DefaultL2LGroup ipsec-attributes   pre-shared-key *****crypto ipsec transform-set myset esp-3des esp-md5-hmac  crypto dynamic-map cisco 1 set transform-set myset crypto map dyn-map 20 ipsec-isakmp dynamic cisco crypto map dyn-map interface outside

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Cisco VPN :: ASA 5510 - Static To Dynamic Via 4G

Mar 17, 2013

My dynamic ASA is trying to use a Cradle point 4G connection to a head end ASA-5510.  The remote end with the Cradle point 4G is not even initiating the tunnel! I need another set of eyes.  it was initiating the tunnel last week but not completing the connection.  Now its not doing anything.  i am going backwards.  Below is my remote ASA config.
ASA5510(config)#  sh run
: Saved
ASA Version 8.2(2)
host name ASA5510
enable password 8Ry2YjIyt7RRXU24 encrypted
password 2KFQnbNIdI.2KYOU encrypted
I have  a laptop directly attached to the inside interface.  The PC and ASA can ping each other. The test interface is the one I am trying to use. Does my default route need to point to  Or is the remote peer correct?  I thought the remote peer was correct? The 4G modem is like a pass-thru device. If I connect my laptop to it I can get out to the internet.

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Cisco VPN :: L2L VPN Between ASAs 8.4(1) Dynamic To Static?

Feb 8, 2011

I've deployed L2L VPN between ASA's dynamic to static in a hub and spoke format.Everything works great if you are on a spoke ASA and you need to go to the hub but you can not go from the hub to spoke.
I'm using ASA code version 8.4(1) ... Below is what I have so far...
crypto ipsec ikev1 transform-set ts-dyna esp-aes-256 esp-sha-hmac crypto dynamic-map dm-dyna 65000 set ikev1 transform-set ts-dynacrypto dynamic-map dm-dyna 65000 set reverse-routecrypto map cr-vpn 65000 ipsec-isakmp dynamic dm-dynacrypto map cr-vpn interface outside
crypto ikev1 policy 10 authentication pre-share encryption aes hash sha group 2 lifetime 86400
tunnel-group DefaultL2LGroup ipsec-attributes ikev1 pre-shared-key *****

Is there any way to apply a crypto map on the Hub side to encrypt the traffic to the spokes?

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What If Change Dynamic IP To Static IP

Jan 8, 2011

I have 2 computer connected and both have dynamic IPIf I change one of my computer's IP from dynamic to static Will it be okay to another comp ? ( Can it still connected to Internet / LAN )

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Can Change From Dynamic Ip To Static

Jan 12, 2013

i need to change from dynamic IP to Static for work, Iv rang my provider talk talk and the only way i can do this is go to a buisness line and pay more a month is there anyway i can log into my router and change from dynamic to static myself? im not on about the IP thats starts 192.blah blah blah its the one where u go somewhere like mine is dynamic as it changes if router is reset, there is hiccup in internet or computer is off for the night etc...

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Cisco WAN :: Dynamic And Static NAT On 2811 / IOS 15.1 Do Not Work

Mar 17, 2011

I faced up with a strange configuration issue at my 2811 router running IOS C2800NM-ADVIPSERVICESK9-M, Version 15.1(3)T. The configured Dynamic and Static NAT do not work (users can't go out to Internet and can't reach internal services via external IPs).The configuration seems to be very simple (one internal and one external interface, one address for dynamic NAT pool, and only few static translations -- see attached file).

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Cisco Routers :: Dynamic Ip And Static Dns For RV215W

Mar 7, 2013

I just switched from a Linksys Router to the RV215W, I was able to put custom dns servers for my wan, ie. opendns, but now in cisco, I'm missing this feature.
Does any one know how to set-up a workarround with DHCP from my ISP and access custum dns servers..
When are we gonna have this feature implemented in the WAN secction.

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Wireless :: Change Dynamic WAN IP To Static?

May 20, 2011

I need assistance regarding changing of DYNAMIC WAN IP to desired WAN IP to connect my e-mail server of my office, Problem is :i have a dynamic WAN IP at my home internet router , and my e-mail server at office only allows assigned WAN ips to connect , I want to connect from my home, i know the WAN ips which are allowed to connect my e-mail server and i want to change my dynamic wan ip virutally to desired WAN ip for incoming and outgoing traffic from my wireless router, What I need to do :I need to change my dynamic WAN IP to an static desired ip at my wireless router?

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Static Or Dynamic IP For Playing Online With PS3?

Feb 11, 2013

Static or Dynamic IP for playing online with the PS3? and there are two PS3's usually playing the same game at the same time in that said house.

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D-Link DIR-601 :: IP Settings Are Dynamic Not Static

Oct 2, 2010

I have the dir-601 as my main router. Its IP settings are dynamic, not static. My second router, the router I'd like to use as the access point is a Belkin Wireless G Mimo. My goal is to setup the Belkin as an access point downstairs away from the main router. I'd like to do this wirelessly. I'd like to phsycialy plug devices into the Belkin, while the Belkin receives access to the internet wirelessly from my main router, the dir-601.

Here's my issue. There's an easy option to use the Belkin as an access point. So I do this and set the Belkin router to an IP outside the DCHP range ( currently - ) to My dir-601 will only recognize the Belkin access point while plugged in physically. I know this because when I did a ping test it only see's the Belkin when plugged into the dir-601 via ethernet cables. My ultimate goal is to simply set the dlink dir-601 to recognize the Belkin as an access point.

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Cisco Firewall :: ASA 5540 - BGP Dynamic Routing

Jan 10, 2012

Does ASA 5540 support BGP routing protocol to be configured on it??
I'm talking about the latest versions.

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Change Cisco Wireless From A Dynamic To Static Settings?

Jun 28, 2012

How do I change my cisco wireless from a dynamic setting to a static settings.

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Cisco VPN :: IPSEC VPN From SRP521 Dynamic IP To ASA5505 Static IP

Jun 18, 2012

I'm having problems configuring an IPSEC VPN between an SRP521 with a dynamic IP and a ASA5505 with a static IP. Static to Static is fine between these devices and I can configure that without problems.  Dynamic to Static however.

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Cisco Routers :: Combine Dynamic And Static NAT On A SR520?

Feb 3, 2012

I'm trying to combine dynamic and static NAT on a SR520. My dynamic NAT is specified with:ip nat inside source list 1 interface Dialer0 overload access-list 1 permit In addition to this I want to perform static NAT for a couple of selected internal hosts. I can do this:ip nat inside source static which works fine but means that the source address is translated to for all destination IPs. What I want is for the above static translation only to occur for a particular destination subnet.To accomplish this I have tried:
ip nat inside source static route-map toOtherSite
route-map toOtherSite permit 10
match ip address 150
access-list 150 permit ip
But this does not appear to work. Instead it seems to render the host unable to progress through the NAT, whether the destination subnet is or not, and I can't work out what I'm doing wrong.

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