Cisco WAN :: ASA 5510 / Backup Isp Requires Changed Dynamic Rule?

Dec 14, 2011

I have one ASA 5510, a primary ISP (cable, the single public IP lives on the ASA), and a backup ISP (ADSL, separate router that hosts its single public IP). I use IP tracking to detect link down on the primary. When I pull the plug on the cable modem and go to "Route monitoring", I can see the ASA's default route is now the backup ISP default route.That conforms with [URL]  Pings to 8.8.8.8 fail however, and when I do a packet trace the ASA complains about the dynamic nat rule that still points to the primary ISP's interface.Only when I change the existing dynamic NAT rule (on my inside interface) to use the backup ISP's pool (which is a single 192.168.x.y address) , does 8.8.8.8 reply to my pings. So it kinda works but it's not full auto . I can't add a second dynamic nat rule on the same inside interface, nor can I select 2 IP pools in a single dynamic nat rule.

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Cisco Wireless :: WLC5508 - Requires To Setup A Dynamic Interface On A Network?

Aug 10, 2012

Having setup several WLC4402's in the past, I am posed with a new implementation that I have never tried before.  I will be setting up a new 5508 that will ONLY be used for remote access-points in H-REAP mode.  It is going into a data center and there will be no local LWAPP's.Is it still required to setup a dynamic interface on a network that will essentially only have the controller IP?  Or can I serve all the AP's out of the single, untagged management interface (which I believe is also the old ap-manager interface now?)

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Cisco Firewall :: 5520 Why Does Dynamic Policy NAT Rule Apply

Jun 4, 2013

we have a nat exemption rule for 10.0.0.0/8 to w.x.y.z followed by some static nat rules and then dynamic policy nat rule for 10.0.0.0/8 to w.x.y.z natting to IP a.b.c.d.When I do a packet trace from 10.10.10.10 to w.x.y.z, it shows the packet first matching against the nat exemption rule, and then immediately afterwards it matches the dynamic policy NAT rule. The static nat rules are being successfully bypassed (which is what I want), but why does the dynamic policy nat rule apply if an exempt rule has been hit already? An actual test between the IPs above reflects the result of the packet tracer as well (IP a.b.c.d is seen on server w.x.y.z).We are running the following software on an ASA5520.

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Cisco Firewall :: ASA 5510 / 4GE SSM - FP L2 Rule Drop

Nov 10, 2011

ASA 5510 running without issues for a while but we needed extra port so added a 4GE SSM.
 
Having installed the 4GE SSM we had some issues with the card not liking a connection to our switches and only working by plugging directly from the server into the firewall, not great as we wanted extra servers on the line in the future.  So we upgraded the firmware and no are at an impasse.
 
We have upgraded to 8.0(4)3 and now we cannot get any traffic through the port, we can't even connect to an external DNS server.  Running a packet trace I get an immediate error on the first step '(l2_acl) FP L2 rule drop', and it appears as though the outside connection is down.
 
I have some experience on setting up basic port forwarding and NAT for internet access, webservers, mail but this has thrown me. 

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Cisco Firewall :: ASA 5510 - Add A NAT Rule For Range Of Ports?

May 22, 2012

i have a cisco asa 5510 and would like to add a NAT rule for a range of ports like 50000-59999

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Cisco Firewall :: ASA 5510 Global Implicit Rule

Nov 24, 2011

I got a Global Implicit Rule problem with my Cisco ASA 5510. Here's my configuration : url...I created a PAT translation so that my web server (group LAN Network) could be accessed from the Internet.Although every rule seems to be ok, i got a "tcp deny access" when i try to telnet my public IP on port 80 (ping is ok).
 
Why is there only one Global Implicit Rule, and not one for each Interface (like in the older versions of ASA OS) ?

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Cisco Firewall :: Asa 5510 Error - Cannot Add Policy To Rule Engine

Mar 5, 2013

I am trying to add 89,462+ access list rules to an ASA 5510 running 8.2(5). I have added all the rules to an object group and when I try to apply the access list to an interface it gives me the following error:
 
ERROR: Cannot add policy to rule engine ERROR: Unable to assign access-list wan-out to interface wan
 
I have not tried not using an object group and just putting the rules in the access list. I want to be able to add to these rules if needed easily.
 
I think it's clear that i have exceeded the rule limit for the ASA. So my question is, what is the rule limit for an ASA 5510 and which ASA could I purchase that would handle this amount of rules?

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Cisco Firewall :: 5510 - After Disable Of Allow Rule Connection Is Still Active

Oct 25, 2011

I am managing a firewall setup with some ASA 5510's.One of the rules I have in the ACL list is to allow or deny (By disabling the rule) access to certain subnets.
 
I have a 3rd party vendor that from time to time need access to specific servers in the infrastructure, but I want to keep a certain level of control when they can access them and especially when they can not.
 
I know it works fine, I have done several tests to verify when they can connect and when they can not. But, now comes the tricky part, if they are already connected (Remote desktop) to the system, and I disable the rule, they are STILL!!! connected. It seems the firewall does not terminate the active session / cconnection when I disable the rule allowing them access..

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Cisco Switching/Routing :: ASA 5510 Connectivity - Rule To Block Protocols

Nov 29, 2012

I've configured an ASA 5510 FW with asa901-k8 ios. on it's "inside" port there is 10.90.0.0 network. there is another network (10.190.0.0) in my system that can be reached via another router which has 10.90.0.253 ip address. when a client in the 10.90 network wants to reach the 10.190 network the fw redirects the request to the router (10.90.0.253) because the fw is my gateway. there is no problem so far... but... while i can ping and traceroute a 10.190... user from 10.90... network, i can't use any non-icmp appliactions. for example i can't use rdp programs, http web interfaces of some devices on remote network (10.190.0.0). what can cause that? is there any rule in asa that blocks these protocols?

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Cisco Firewall :: ASA 5505 - Cannot Add Rule Without Deleting Implicit Rule

Jan 18, 2011

what is the purpose of the "Permint all traffic to less secure networks".
 
Well I know the purpose and the technique to handle some sercurity level is nice. when I cannot add add a rule without deleting this implicit rule?
 
The technique of security level is then obsolete?

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Cisco VPN :: 5510 - Changed Public IP Address / No Access On Native LAN

Jul 11, 2012

i'm running a 5510 asa and the vpn has been working great for a while.   We recently change our network provider so i had to change the public ip, and dns on the firewall... now i can still connect via the vpn and browse accross my mpls to other sites, but cant really access anything on the native lan that the firewall resides on?

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Cisco WAN :: Set ASA 5510 To Accept S2S Dynamic IP Vpn?

Jul 4, 2011

We just purchased a company with multiple sites using Sonicwall's and Dynamic assigned external IP's.  I am running a ASA 5510 with a outside Static.
 
I have done lots of S2S with both ends static but never a Dynamic to static.
 
what the commands are to set the ASA to accept dynamic VPN tunnels.

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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
names
[code]...
 
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 192.168.0.1?  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 But With Dynamic Peer ASA 5510

Sep 25, 2011

am in the progess of replacing a Zyxel USG 300 to a Cisoa ASA 5510.In the Zyxel I have some Site to Site, where the peer is a dyndns.org adresse, becourse the peer is a dynamic ip-adress.
 
I have maybe 10 site to site´s where the peer is a dynamic with a dyndns.org adress, and the presharedkey is diffrent at each tunnel.How can i make this configuration at the ASA 5510?

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Cisco WAN :: 5510 Dynamic Bandwidth With Shaping

Mar 29, 2011

We have an ISP connection that is connected via an ethernet interface on a 5510 ASA. We are allotted 10Mbps. I have currently have the interface set to 10Mbps Full. However we want to upgrade the connection to 25Mbps. I know I can set the port speed to 100Mbps and then set a shape/police statement and shape down to 25Mbps.
 
Management wants to be able to call the ISP and arbitrarily adjust that speed up temporarily at any time without any user/admin intervention on our side. I can simply leave the port at 100Mbps i.e. no shape statement on my side however I will run into problems with large amounts drops, overruns, retransmissions, etc due to the ISP shaping the connection speed during normal operations. However they then could then adjust the speed at any time without needing me.
 
I do not know the best way to make this work. Is there some sort of dynamic/smart shaper in the ASA or another cisco device?

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Cisco :: Site-to-Site From 5510 To 5510 One Dynamic One Static IP?

May 26, 2011

I'm trying to figure out how to get two 5510 ASA's to establish a Site-to-Site VPN.The version with two static IP's is working perfectly and stable but I haven't figured out how to get a VPN running between a static and a dynamic IP

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Cisco :: Dynamic Routing Over Internet Using ASA 5505 / 5510?

Apr 16, 2011

There are three different sites, two are composed of Multilayer switches cisco 3560 and 3570 as core switches (a 3560 in one site and a 3570 in another site), the last site doesn't have any routers just a 2950 switch. Each site has two asa 5505 as firewalls. Two Internet connexions are connected to every site, one on every firewall. One Internet line is used to connect the different sites together using VPN crypted with IPsec and the other line is just for Internet access. The line that is used to interconnect sites contains voice and data traffic.At the moment all the routes are static routes, the network isn't too big for now and counts not more than 20 subnets.But it is evolving, and I want to use dynamic routing, EIGRP to be more accurate. I've looked into it and I'm not sure how to make it work. The VPNs active on the ASAs don't support dynamic routing, so I thought about GRE tunnels but the ASAs don't seem to allow it either.

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Cisco Firewall :: ASA 5510 Dynamic NAT Inbound Translation

Jun 1, 2011

I have ASA 5510 and public FTP server from my local network to external IP address, with static nat translation. All works, but I need request to ftp come from internal ASA interface (need use gateway different ASA). How configured ASA for forwarding request?

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Cisco VPN :: ASA 5510 Implicit Deny Access Rule Blocking Site-to-Site VPN?

Apr 22, 2012

I've setup a site to site vpn on an ASA 5510 using ASDM (as I have many times before) and the tunnel appears to be up but I am not able to pass traffic.  When I run the packet tracer from my inside network to the remote destination network, it shows that it is blocked by the implicit deny ip any any rule on my inside incoming access list.

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D-Link DIR-615 :: The Rule Is Being Used By Another Rule And Cannot Be Deleted

Jul 27, 2011

I accidentally setup two schedule rules both with the name of "Log". When I highlight either rule, and try to delete either, I get error "The rule is being used by another rule and cannot be deleted"  How do I delete?

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Cisco VPN :: ASA 5510 L2L VPN On Backup Interface

Dec 9, 2012

I have an ASA 5510 running 8.4 with dual ISPs setup on 2 different interfaces: outside(primary),backup(backup).  I also have a site to site VPN to another ASA in another city.  The VPN is now setup on the outside interface and works fine.  What I wanted to do is to make the VPN run over the backup interface only.
 
So, I modified the the crypto map on the remote side to use the backup interface IP and created a tunnel-group for it.  I then created a crypto map for the backup interface and enabled ikev1 on it.  The default route is set to use the outside interface so I created a static route that routes traffic bound for the outside interface on the remote side to the backup interface default gateway.  I can get the tunnels to establish but no traffic is passing through them.  I though then that I need a NAT for the tunnel traffic to I created a NAT as well but still no traffic passed.  I tried the packet-tracer and it said the traffic was allowed and from the show crypto ipsec sa command I can see the tunnel setup but no traffic will go across it. 

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Cisco Firewall :: ASA 5510 - ISP Backup Setup

Apr 5, 2011

I would like to setup backup ISP in our ASA5510.   Right now the the firewall has for default gateway following command:
 
"route outside 0.0.0.0 0.0.0.0 114.324.321.33 1"  i am changing this to route outside 0.0.0.0 0.0.0.0 114.324.321.33 10 track 1  ...so i can setup sla monitoring. As soon as i do the above command and remove the original "route outside 0.0.0.0 0.0.0.0 114.324.321.33 1" from asa then internet connection drops. Right now asa interface Ethernet0/0 has main isp configured and configuring  interface Ethernet0/3 as backup. interface Ethernet0/3 name if backup security-level 0 ip address 114.324.321.34 255.255.255.252 no shut global (backup) 1 interface.
 
route outside 0.0.0.0 0.0.0.0 114.324.321.33 10 track 1 ( Right now in firewall i have" route outside 0.0.0.0 0.0.0.0 114.324.321.33 1 " ) route backup 0.0.0.0 0.0.0.0  115.283.212.23 20 track 2
 
track 1 rtr 1 reach ability
track 2 rtr 2 reach ability

sla monitor 1type echo protocol ipIcmpEcho 114.324.321.33 interface outside sla monitor schedule 1 life forever start-time now sla monitor 2type echo protocol ip Icmp Echo 115.283.212.23 interface backup sla monitor schedule 2 life forever start-time now. Also our firewall has site to site vpn and 1 main ip configured for exchange and remote access. 

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Cisco Firewall :: Backup ASA-5510 From A Server Via TFTP?

May 29, 2012

ow to backup Cisco ASA-5510 from a Linux server via TFTP?I do know how to backup a switch or a router. Basically creating an access list such as:
 
access-list 55 remark PERMIT hosts requesting TFTP access
access-list 55 permit host 172.16.0.27
 
and allowing access to
 
tftp-server nvram:startup-config 55
 
all this inside the router or the switch. From the Linux box just running a simple command such as:
 
tftp 172.16.0.3 -c get startup-config newbackup.conf
 
where 172.16.0.3 is the IP address of the switch and newbackup.conf is the name of the config file stored on the Linux machine.So, how do I do that with an ASA box? how to backup ASA from inside it.

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Cisco WAN :: ASA 5510 / Forcing Inside Interface To Go Out Backup ISP?

Nov 12, 2012

We have a 5510 and I have a second ISP setup for a backup link. We have 4 ports connected to 4 different internal subnets. I want to force one of the ports to use the backup ISP link at all times. I'm having a little problem with where I need to make the changes in my ASA.

Interface "outside" is my main ISP
Interface "building3" is my backup ISP.
 
I want to force the "Guest" network to use the "building3" link for all traffic. Here's a snippet of my config
 
global (outside) 10 interface
global (building3) 10 interface
nat (inside) 0 access-list nonat
nat (inside) 10 0.0.0.0 0.0.0.0
nat (Guest) 10 0.0.0.0 0.0.0.0

[URL]
 
Do I need to change the global pool or create a new one? I have a couple free public IP addresess on the building3 subnet I can use for a pool.

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Cisco WAN :: 5510 Dual ISP Load Balance And Backup For Each Other

Mar 4, 2011

I have two ISP circuits and the following devices in hand:

1.   Cisco ASA 5510
2.   Cisco 2800 router
3.   Cisco 3750 switch

I've finished a part of the configs on above equipments, please refer to the attached diagram.And I'm making a test in order to achieve the below features:

1. By default, packets from PC1 go out through ISP 1. Packets from PC2 go out through ISP 2
2. When ISP 1 is down, packets from PC1 changed its way to ISP 2 through the 2800 router. And when ISP 2 is down, Packets from PC2 changed its way to ISP 1 through ASA 5510.

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Cisco Security :: Backup WebVPN Personalization On ASA 5510?

Apr 1, 2008

  I'm looking for a system to backup the configuration of the ASA like this I've noticed:
 
if the ASA is 5510 or higher and has sw 8.x and ASDM 6.x we have ASDM -> Tools -> Backup Configuration command that create a folder containing all configuration files and webvpn personalization
  
What I have to do to have the same command on ASA 5505 sw 8.x and ASDM 6.x? Or is there someting similar using the console too?
 
And what else for ASA which have sw 7.x and ASDM 5.x, is there the possibility to backup webvpn personalization?

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Cisco Firewall :: Internet Doesn't Work On ASA 5510 For Backup ISP

Feb 15, 2012

I have a ASA 5510. I setup basic configuration to test internet with 2 ISPs. My first line works with out any problem. But my second line doesn't work. Even when i wipe the configuration, and setup only my second isp. Internet doesn't work. Can you tell me if there is anything wrong with this config?
 
CaaaA01#  sh run
: Saved
:
ASA Version 8.3(1)
!
hostname CaaaA01
domain-name example.com

[code].....

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Cisco VPN :: 5510 - AnyConnect Backup Server When Session Limit Hit

Mar 21, 2012

Is it possible for AnyConnect to utilise the backup server defined in the connection profile when the session limit is hit on an ASA?  Essentially if I hit the 250 limit on my ASA 5510 in Region A, will it try the backup server ASA defined in the connection profile which is in Region B?
 
From what I have read, the backup server only kicks in when the AnyConnect client cannot connect, but in this scenario it will connect but get an error message.

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Cisco Firewall :: Backup ASA 5510 Multiple Context Mode

Oct 19, 2011

I am running a ASA 5510 in multiple context mode. IOS 6.4(2), ASDM 6.4(5)106.
 
In older ios/asdm versions it was possible to backup the configuration using ASDM.

In 6.4(5)106 i am missing this feature (see attachment)
 
Is it possible to backup a multiple context firewall using ASDM and above mentioned software versions?

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Cisco Switching/Routing :: 5510 How To Configure A Backup Route To Internet

Jul 24, 2012

how to configure a backup route to the internet.  My client has 2 ISP and basically they want to use 1 ISP and in case the ISP fails, use the other one as backup route to the internet.
 
The problem I’m facing is that each ISP is plugged to a dedicated ASA 5510, so 1 ISP in one firewall and 1 in the other.  Both ASA are plugged to an internal network in a dedicated VLAN with a L3 switch and that L3 switch manages the internal network.
 
My question is, how can I tell my switch to use ASA1 to go out to the internet and in case the ASA 1 OR THE LINK TO INTERNET used by ASA 1 fails, use ASA 2?  It would be great if I can send traffic to the internet thru both connections at the same time.  Also, I know the ASA has High Availability configuration, but that applies only if both licenses in the devices are the same and I have a mismatch with the SVPN license, and also I don't know if with my current topology I can use the High Availability model, so I think I can’t use that option and the solution must be applied in the L3 switch, but I don’t know how to tell it to use ASA1 and if failure of the device or the outside interface plugged to ISP 1, then use ASA2.  Besides, I would like to know how to optimize this config to do the switch between internet connections seamless to the users if possible (there are VoIP calls on this floor, so I don't want to drop the calls). 

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Cisco Firewall :: Use ASA 5510 Smart Call Home Feature For Automatic Backup Creation By Email

Feb 10, 2013

I am trying to use the built in feature of Cisco ASA 5510 smart call home feature with the purpose of automatic backup creation by email. I found the configuration [URL]. I already configured the said instructions but when I send a test email it says it cannot contact the email server. Below is the error that I am getting from our ASA. I am new to firewall.

OGI-MNL-ASA-FW0# call-home test profile ASA_Config_Backup
INFO: Sending test message to fcaccam@example.com...
ERROR: Connecting to SMTP server xxx.xx.xxx.xx failed: CONNECT_FAILED(33)
ERROR: Failed: CONNECT_FAILED(33)

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Cisco VPN :: 5520 / 5510 - Can VPN Clients Communicate With Other Dynamic Clients

Nov 5, 2012

We currently have an ASA 5520 communicating with 10 ASA 5510's, all on static outside addresses.  I was asked to add 5 additional 5510's on dynamic address.  All worked well in testing until it was decided that some of the dynamic clients needed to talk to each other.

My testing shows packets just dying in the 5520.

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Connect To A Router That Requires A Password?

Apr 6, 2012

I have a Cisco Valet wifi router that works fine with my laptop and my computer that has a usb wifi adapter. The problem is that for some reason when I try to connect my moms computer to the router it can only connect to the guest router and when I try to connect to the regular router it just fails even when I use the correct password. I have tried uninstalling the driver and re-installing it for the usb wifi adapter for my moms computer (NetGear N150 USB Adapter) and its nothing works. Her computer by the way is an Acer Windows XP SP3 machine.

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