Cisco Firewall :: How To Design ASA 5510 Failover For Process Control Network

Mar 19, 2013

I'm currently working on setting up 2 ASA 5510's with redundancy/failover. I'm not an expert when it comes to the ASA's so I'm not 100% sure if I can do what I need to.I have 2 inside networks that need to remain separate, a DMZ network,and an outside network. Since each network connects via ethernet to one of the 4 ethernet ports on the ASA 5510's, all 4 ethernet ports on the ASA 5510 will be in use. If I wanted to setup one firewall as Active and the other as standby, how would I go about doing that? Do I need a direct ethernet connection between the 2 firewalls to use something such as HSRP? Or would the Standby firewall be able to tell if the Active firewall is OK since they would both be connected on each of their interfaces to the same networks?        

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Cisco Firewall :: Can Two ASA 5510 With Different Modules Be In Active Failover Design

Oct 23, 2012

understanding clear about new Cisco ASA 5515-x, 5525-x.I know that this device supports IPS which is included to this appliance without any additional modules.But can this box support IPS and content-filering (Cisco ASA CX or so..) in the same time.
 The problem also in next. Can two ASA 5510 with diffrent modules (in one AIP-SSM and in other CSC-SSM) be in active/active failover design?

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Cisco Firewall :: How To Do Network Failover Between Two ASA 5510

Apr 16, 2011

How to design a network setup and achieve failover in the below scenario. 
                                                                                                    (Vendor router)
L3-Switch ---- ASA FW1 ---switch-- Router 1 ------ MPLS cloud1 ----- Router A ------------ L3 switch
                                                                                                     (Vendor router)
L3-Switch ---- ASA FW2 ---switch-- Router 2------ MPLS cloud2 ----- Router B------------ L3 switch
I am planning to achieve the failover either of the following ways -
1)  Configuring both ASA FW as active/standby method .

2) configuring ASA FW 1 tracking command pointing to the  ISP end ip address so the traffic would be moved to secondary firewall by putting a  AD as 1 on ASA FW ......pointing to the ISP ip address and other floating route ( with a higher AD value) to the secondary firewall interface.
3) To configure HSRP between the Routers.

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Cisco Firewall :: ASA 5510 ISP Failover

May 31, 2011

Configured ASA 5510 ISP failover and working fine.My ASA as configured as DHCP server also. So its serves IP addressing details including mask,default-gateway, DNS server IPs.Here my issue is whenever my ISP failover occurs my ASA sends previous ISP DNS server IPs to my inside clients.
Here i like to configure my ASA to serve IP addresses dynamically.Or is there any global DNS IP addresses which will work for all ISPs?

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Cisco Switching/Routing :: 6500 - SSH Control Process / Private Key Not Found

Nov 30, 2012

we have configured SSh on our primary and secondry core switch , SSH is working on primary Switch but we are unabme to access secondry Core switch through SSH .
Error are as under :
ov 28 09:14:15.380: SSH1: starting SSH control process
ov 28 09:14:15.380: SSH1: sent protocol version id SSH-2.0-Cisco-1.25
ov 28 09:14:15.396: SSH1: protocol version id is - SSH-2.0-PuTTY_Release_0.62
ov 28 09:14:15.396: SSH2 1: send: len 280 (includes padlen 4)
ov 28 09:14:15.400: SSH2 1: SSH2_MSG_KEXINIT sent


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Cisco Firewall :: ASA 5510 Failover With IP SLA Monitor?

Nov 28, 2011

Can I run Cisco ASA failover with dual ISP run active/standby configuration and SLA monitor to monitor the primary ISP gateway and failover to the secondary gateway but not failover to the failover firewall unless an actual event occurred that required a ASA failover?

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Cisco Firewall :: Configuring Failover For ASA 5510

Oct 16, 2012

I have two ASA 5510's that I want to setup in a Active/Standby configuration. My only question is on how to connect the inside ports to my LAN. I have 5 Catalyst 3750's stacked together that connect to the ASA's. Should I run the inside interface on ASA1 to a port on switch 1. Then run the inside interface on ASA2 to a port on switch2? And make sure both those ports are in the same VLAN? But, then when failover occured, how to I automatically make it clear the arp cache so the traffic starts flowing out of the right port?                   

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Cisco Firewall :: ASA 5510 Failover Trunk

Nov 25, 2012

I have a customer with two ASA 5510s.  All four ports are used by the following interfaces: inside, outside, dmz, and failover.  This customer is looking at getting redundant internet connections, but we don't have any ports to the redundant connection.  What I'd like to know is it possible to configure sub interfaces on one of the currently occupied ports (I'm thinking inside) and use one for inside and one for failover.  This way I could have the other port free for the redundant internet connection.

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Cisco Firewall :: Failover Between ASA 5510 And 5520?

Sep 27, 2012

Cisco still doesn't provide failover (active/standby) between two different types of ASA, right?
"The two units in a failover configuration must have the same hardware configuration. They must be the same model, have the same number and types of interfaces, and the same amount of RAM"

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Cisco Firewall :: ASA 5510 To Use Failover Possibilities

Jul 26, 2011

We are going to buy a new Firewall ASA5510 to use failover possibilities.I just need to be sure it will be possible to implement as I have the following output after a "show ver" command: Cisco Adaptive Security Appliance Software Version 8.3(1) [code]

As you can see the failover line is set as "Disabled perpetual".We are actually using base license as i have not been able to find any contact for CISCO to get official support or new license.

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Cisco Firewall :: 5510 ASA Failover Licensing?

Feb 28, 2011

I have a customer who has purchased a Cisco 5510 and after we received it and all the necessary VPN, 3DES etc. licensing for it, then informed us that they order 2 T1 lines so they can have Internet failover.
My question is: Does this require an additional specialized license from Cisco in order to enable and configure it?  And if so, what that part number is?

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Cisco Firewall :: ASA 5510 - Configure HA Failover

Jun 8, 2013

I have 2 ASA5510-SSL50-K9, can I configure HA Failover ?

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Cisco Firewall :: ASA 5510 - License For Failover

Apr 19, 2011

I am looking for redundant asa deployment for fail over set up . however both units have csc cards. does  this product  ASA5510-CSC10-K9 has license for fail over ? what's the part no for asa failover license ?

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Cisco Firewall :: ASA 5510 Active And Standby Failover

Apr 18, 2012

i read that you need only one L-ASA5510-SEC-PL for setting up a Active/Standby Failover. I installed the license on the 1st ASA and tried to setup the failover via the ASDM wizard. It always fails, because the 2nd device can't have a 'base' license.So does this mean, i really need another license?

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Cisco Firewall :: 5510 Failover Hardware Compatibility

May 25, 2012

I have two ASA 5510, The one which I just got shows the CPU speed to be 1599MHz While the previous device (which is also 5510) reads the CPU as 1600 MHz.According to Cisco, for Failover redundant configuration, both devices must have same hardware configuration. Technically, this slight difference should not be an issue but I need to confirm that thess devices will work fine with failover configuration.

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Cisco Firewall :: ASA 5510 - LAN Based Failover Not Working

Jun 23, 2011

I have ASA 5510 connected as shown in attached diagram.Ideally when ASA 1 is active and if I boot Switch-1, ASA-2 shood take over. But that is not happening.When I boot SW1 , ASA-2 shows "Failover LAN Interface: failover Ethernet0/0 (Failed - No Switchover)" and remains standby.Fail over works properly If ASA-1 boots.

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Cisco Firewall :: ASA 5510 Failover Subinterfaces Monitoring

Jan 30, 2013

i have a couple of ASA 5510 in Active/Failover configuration. Failover LAN is configured on management0/0 e the ASA are connected with a back-to-back direct cable.
ASA has an interface in access mode inside with standby ip address and show failover is compliant with expected result in show failover (Normal)
ASA-PRIMARY# sh failover Failover On Failover unit PrimaryFailover LAN Interface: LANfailover Management0/0 (up)Unit Poll frequency 1 seconds, holdtime 15 secondsInterface Poll frequency 5 seconds, holdtime 25 secondsInterface Policy


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Cisco Firewall :: Adding Failover To Active ASA 5510?

Oct 14, 2012

I am adding a failover asa to an a firewall that is already in production. They are both 5510's, they both have the same abount of ram, have the same code versions. Will there be any downtime while adding the secondary in?

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Cisco Firewall :: 5510 - Which License Needed For ISP Failover

Mar 3, 2011

I Have ASA 5510. And I had two ISPs and I need to configure ISP failover. So which license i need? I Had License ASA-CSC10-PLUS License.

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Cisco Firewall :: Update License Content Security And Control Info ASA 5510

Mar 20, 2013

I have to upgrade to an ASA 5510 CSC, and the new license is generated, the file you sent me licensing, only seen this:Activation Code not required for this renewal. Please go to "Administration> Product License" in the CSC SSM console and click "Check Status Online" to get the latest expiration date (BASE: 09/04/2014, PLUS: 09/04/2014).This means that what I have not make any upgrades or license charge in the ASA? Does the automatic update is made?

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Cisco Firewall :: 5510 / Setup Snmpv3 With Active Failover?

Apr 1, 2012

What I am attempting to do is setup snmpv3 on two failover 5510's .The problem I am running into, the snmp management software rejects one of the devices as it sees it as having a duplicate engine ID since the two devices share the same config.  Would like to know how this would work in an active/active setup being able to poll both devices.

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Cisco Firewall :: 5510 ASA Failover Pair For Access Second Unit Via VPN

Jun 11, 2009

we are running two failover pairs of asa (5510, 5505) in two different locations in active/standby configurations.Is it possible to access the inside ip of the standby unit via vpn terminated by the active unit? It's only for monitoring.With our configuration here it is not.Is that possible in general?

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Cisco Firewall :: Integrating Secondary Failover Unit ASA 5510?

Nov 20, 2011

I have a single production 5510 with 2 contexts.  Now I want to integrate the secondary failover unit. My question is: How much configuration needs to be done on the secondary firewall?  How much of the configuration will be sync'd from the primary to the secondary when the secondary is connected?
For example, do I need to add the following on the secondary or will it be sync'd from the primary?
admin-context NAME
context NAME
allocate-interface Ethernet0/0.14


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Cisco Firewall :: ASA 5510 Switch Failover License From Old To New Device

Nov 1, 2011

I used to have this situation where I need to replace faulty ASA5510 (this FW did not failover to standby FW) with the new one.
But the problem is the new ASA5510 came with Base License only not with Security Plus License which is needed to allow this brand new device to be configure failover.
how do I pull out Security Plus License from old FW and switch it to new FW (Base License) and activate to Security Plus License.

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Cisco Firewall :: 5510 Active / Standby Failover Errors

Jan 25, 2012

I just added a new 5510 failover unit to an existing 5510 and when connecting my new outside interface on an Active/Standby firewall pair, i get errors messages (red x) on each port scan (monitor & syslog) although the error message indicate all ports are good...additionally the firewalls flip between active and standby non stop. I remove the new standby unit outside interface from a shared switch and everything clears up.

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Cisco Firewall :: 5510 Setup In Active / Standby Failover Configuration

May 8, 2012

We have 2 ASA 5510's setup in an active, standby failover configuration. When the primary fails over to standby, the 3rd party cert does not failover to the standby ASA. The users then receive the CERT missing, invalid message and have to select yes, no to move on. This does not occur when the primary is not in failover mode. It is my understanding that failover fails over certs but in our case it does not apper to be working correctly.

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Cisco Firewall :: Adding Failover ASA 5510 Back After Configuration Changes On Primary

Nov 28, 2012

I had a working active/passive pair of ASA5510's, and then I had to do a rush firmware upgrade, but didn't have time to do it on the secondary at the same time.  Now I have made config changes and upgraded the secondary firmware to be the same, and wish to know if I plug it back in if it will think the secondary has the "correct" config or if it will know that the primary is newer.  I disconnected the failover cable because it was complaining about version mismatches constantly.
Is it safe to add the secondary back in or is it possible it will be declared newer and overwrite the config?

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Cisco Firewall :: PIX 515E / ASA 5510 Heartbeat Failover (Direct Connection)

Apr 2, 2011

Currently, my customer has 2 units of Cisco PIX 515E running on Active/Standby mode. As for the heartbeat link, there are 2 dedicated switches placed in between both the Cisco PIX 515E i.e. FW1 --> SW1 --> SW2 --> FW2.

My customer will be changing both the Cisco PIX 515E to Cisco ASA 5510. Now, they are asking me, since they will be using Cisco ASA 5510 eventually, can the heartbeat link be a direct UTP cross cable or must the 2 switches in between still exist?

I remember I have tested this before, few years back, in the event I were to pull out the UTP cross cable that's connecting both the Cisco ASA 5510 Firewalls directly (without any switches in between), the Active/Standby mode still works fine. It doesn't go bad whereby both the Cisco ASA 5510 suddenly becomes Active/Active, and causes network issue.

Are switches required for the heartbeat link in a Cisco ASA environment or can a direct UTP cross cable connection be adequate.

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Cisco Firewall :: 5510 Recommended Port-security Settings For ASA HA Failover

Dec 28, 2011

I have a pair of ASA 5510s configured in active/standby mode. I have already configured the fail over settings on the firewalls. Both firewalls are connected to a 2960G. I made a change to the interfaces on the 2960 to allow 2 mac addresses on each port. [code]

Upon testing failover via the failover active command, I get port-security errors on the outside interface for each device:%PORT_SECURITY-2- PSECURE_ VIOLATION: Security violation occurred, caused by MAC address aaaa.bbbb.cccc on port GigabitEthernet0/8. After a few minutes, the error goes away and I can then connect to each firewall. It seems that it still waits for the aging time to expire before allowing the other MAC address. Shouldn't the "maximum 2" setting allow for both mac addresses?
I'd rather not have to hardcode the firewall's MAC addresses on each switchport because I could see this causing problems for us down the road. Is there anything else that can be done?

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Cisco Switching/Routing :: 3570 / Multi-process OSPF Redistribution And Failover?

Feb 7, 2013

I have two ospf processes running on a single 3570 edge router that has a dedicated transport circuit back to our network core. We are adding an additional "transport" only circuit into a new location that is also apart of the second ospf process backbone which will connect back to our core. There will also be a 3750 for this new circuit termination. Currently we are only redistributing ospf process 2 into ospf process 1 (1 = core backbone).

#router ospf 1
#redistribute ospf 2 subnet
We have no need to have ospf process 1 redistributed into the process 2 tables. That being said, when we add an additional transport ciruit, or path back to our core backbone, will this configuration present any issues with the redistribution process and failover.

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Cisco Firewall :: ASA 5510 - Unknown 105008 And 105009 Logs On Non-failover Interface

Nov 26, 2012

I have a pair of ASA5510s in a failover configuration where I see these 2 logs repeated every 15 seconds. 
105008 1          Nov 27 2012          10:39:27        (Primary) Testing Interface management
105009 1          Nov 27 2012          10:39:28        (Primary) Testing on interface management Passed
I have read other threads where these are accompanied by "105005, Lost Failover communications with mate on interface".  But I'm only getting these 2.  The other thing that is confusing is that the "management" interface is not the failover interface.  So why do I see 105008/9 logs about it?
Output of "sh fail":
5510a# sh fail
Failover On
Failover unit Primary


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Cisco Firewall :: Zero-downtime DRAM Upgrade Of Failover Pair Of 5510 ASAs

Apr 12, 2011

I need to upgrade the active/standby failover pair of 5510 ASA's to have1 Gig DRAM each, and I am trying to plan out the upgrade process. I'm looking for a zero downtime upgrade process.
I know that the failover pair has to have the same amount of memory, so how do I perform a zero-downtime upgrade process?Can I power off the standby unit and upgrade it's memory first? Or will it cause a memory mismatch between the active and standby units when it is powered on?

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Cisco Firewall :: 5510 Site-to-Site VPN Failover

Mar 15, 2011

I configured ASA 5510 using dual ISP( Failover). Now my ASA working fine. Here my problem is My ASA 5510 configured for Site to Site VPN also.How my VPN switch to Secondary ISP automatically when primary ISP fails.

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