Cisco Firewall :: ASA 5520s From Active / Standby To Active / Active
Jul 17, 2012
I have a pair of ASA 5520s operating in failover pair as active/standby, having two contexts on them. I am planning to share the load and make it active/active making first context active on the primary unit and second context active on the secondary unit. My question is if this will disrupt any connectivity thru these firewalls when I do "no failover" on the active/standby and assign the contexts to different failover groups and enable the failover back.
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Feb 12, 2012
I'm working on configuring two ASA 5520's in an Active/Standby configuration. I've got almost everything the same between the two units for AnyConnect to work expect the following two items:
AnyConnect Client Profiles
AnyConnect Client Software
If I upload the software manually to the Standby unit I get warning about them not being in sync and on the active unit if I do a 'write standby' it does not copy the profile or software.
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Jun 29, 2011
I have a pair of 5520s running 8.2(3) in failover active/standby, routed mode. I have an issue with SSH as it's stopped worked after a short time, less than 8hrs during the network being installed, telnet is working fine as is https/asdm. I have re-created the crypto key and the ssh access is allowed. When I try to connect I just get a flashing cursor, telnet to the ip and port 22 also works.
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Apr 10, 2011
I faced one problem in our core switch 4507 R . Active sup lost connection and standby came active. We got lot of errors/alerts on console shown below. [Code] Also when I reloaded the switch with reload command only both sups got reloaded but I want to reload all the modules but reload command do not gives any options for that.
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Mar 20, 2012
I am looking at deploying a pair of 5585X's in an active/active multiple context state. I am creating Mulitple contexts that need to be able to route to each other. I was going to deploy a type of Gateway context that has a shared interface to all of the other contexts, instead of sharing interfaces directly between the contexts, i beleive this will work as basically i am just cascadng the contexts and sharing interfaces.
The main problem i have come across, is that if i deploy active/active across two appliances using 2 failover groups i can not see a way to route between them, for example.
I have Context 1, Context 2 and Context GW A including the shared interfaces of Con1 and Con2 in failover group 1 on appliance A with the respective standbys on Appliance 2. I have Context 2, Context 4 and Context GW B including the shared interfaces of Con 3 and Con 4 in failover group 2 on appliance B with the respective standbys on Appliance 1.
I need to be able to route traffic between Context GW A and GW B so that the contexts can communicate in normal operation and in failover. I do not beleive that I can share an interface between contexts in two separate failover groups and to be honest without adding a L3 device between the appliances i am not sure if this is possible.
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Dec 17, 2012
I have two ASA 5510s running in Active/Active mode. I need to make config changes on them. How do I go about it? Do I power off the secondary ASA and make the config changes on the primary and then power on the secondary ASA ? Or this another way to do this?
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Jun 1, 2011
I have an ASA5520 in location A with an ISP connection and a matching ASA5520 in location B with a separate ISP connection. We have fiber connecting the two locations and vlans passing back and forth so I will be able to configure the failover via a vlan as well as extend the ISP's to each location via vlans. The Active/Active configuration with the multiple security contexts does not seem to be an issue but how is a redundant ISP configured in this mode?We want to have context A using the ASA in location A with ISP1 as the primary and failing over to ISP 2 in locaiton B We also want to have context B using the ASA in location B with ISP 2 as the primary and failing over to ISP1 in location A Would route tracking provide the desired result? Is there a better option?
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Mar 30, 2011
I have 2 asa 5520 firewalls including and 1 AIP-SSM-10 module in each of them. the configuration is set using active/active failover and context mode.
Both of them run individualy the IPS module. The IPS is configured using inline mode and fail-open option. However when one of the module fails and the state is changing from up to init or anything else making the IPS to fail then failover is detected and ASA consider it as failover and bounce context to the other unit.
IPS soft is 6.0(4) and ASA soft is 8.0(3)
I have checked cisco doc and it is confusing to me. it says: "The AIP-SSM does not participate in stateful failover if stateful failover is configured on the ASA failover pair." but it really does participate. Running is not really an option because of production network impact matter..
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Dec 27, 2011
its possible to set up active/active failover using etherchannel on 5585s?
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Mar 17, 2013
How to Configure ASA5520 for Active/Active
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Jun 12, 2011
I would like to work with two ASA's 5550 in HA (Acitve-Standby) like perimetral firewalls and also work with another ASA 5540 but like a SSL VPN Remote Access to end users.Which will be the best topology to this scenary?. Perhaps i need to put the ASA 5540 SSL VPN together with the ASA's in HA directly in a port.
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Sep 21, 2011
i have 2 ASA 5505 running 8.3(1) and ASDM 6.3(1).
the first unit is currently working, and i now wish to configure the second unit as standby. im configuring through the ASDM GUI. Started the HA Wizard, choose Active/Standby configuration and enter the IP of the peer device. checks come back all ok. On the LAN link configuration page (step 3of6) Interface is pre selected as VLAN99, I give it a logical name as iface_fail, and enter 10.0.0.1 as primary address and 10.0.0.2 as standby, subnet as 255.255.255.248, and select port Ethernet0/5
Note that if i click on the buttons next to the IP fields, i get IP addresses of remote hosts!.
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Dec 21, 2011
I have a problem with failover. On My site I have 2 Firewalls 5580. And I did this configuration on my firewall.interface GigabitEthernet3/0description LAN/STATE Failover Interfacespeed nonegotiate.
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Feb 8, 2012
I would like to ask you about ASA 5510 (Active/Standby). i have two ASA 5510 and i did configuretion failover and it is working ( Active / Standby) but my issue that when primary donw, the standby unit up to primary but the primary came back the standby unit it not switch to standby ( i mean it still up ) . if i want to primary up i type command ( failover active ) on primary unit , so i don't want use manul command i want it auto.Which command that make ASA failover when primary coma back? [code]
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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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Mar 3, 2013
I have two ASA 5520 version 8.2 in active Standay Mode. What is a good practice to setup IPS AIM ssm-20 for this setup.
Is IPS should be in Fail-Open or Fail-Close mode ?
Is Mangement ip for both IPS module should be same or diffrent. ?
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Jun 4, 2012
I currently have a LAN-based failover setup between two 5510s. The failover link is a crossover cable. In the current setup, if I unplug the crossover cable both units become active. From what I understood from Cisco documentation, each unit should mark the failover interface as down and there shouldn't be any failover. That's exactly how I want this setup to work.
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Feb 7, 2012
The 6509 Series Switches support the scenario VSS Active-Active Chassis, I would like to setup both switch's as one virtual switch but working at the same time, not with Active - Stand By Chassis.
My plans it to create PortChannel accross both Switches 6509 in order to have 2 links one connected to one slot/switch and the other connected to slot/switch in the second 6509 for servers redundancy.
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Jun 10, 2012
I am working on a network which has two ISP connections (Active/Active) terminating on router (ASR1000). From the LAN side (6500 switch) all the traffic need to be route on ISP1 but some of the specific subnets like 10.250.0.0/16 need to be route on ISP2 connection.
I am planning to use PBR and NAT with route maps. any documents or refrences are provided.
(access switches)---------(core switch)----------(routers)----------------(ISP1)
----------------------(ISP2)
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May 11, 2011
I have just finished setting up two ASA5510s in Active/Standby Staeful failover, using the Management interface for both failover and state. Everything appears to be working well.Configurations were transferred and the "sh failover" on both accurately reports their status before and after a failing the active device.I monitored the inside IP with a continuous ping (using a Windows client) and noticed that there were usually two to three ping responses lost. Is this normal?
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Oct 21, 2012
I have two 5505 ASA. I would like to know can I make two 5505 failover redundant with active standby setup?
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Feb 6, 2012
I am looking to add the IPS module to my ASA 5510's. I am contemplating only purchasing one module and placing it in the active ASA. I am willing to accept that in a failure scenario I will loose the IPS functionality until the primary ASA is recovered. I have not had a chance to talk to my SE to see if this is even possible. Has anyone attempted a deployment such as this? Will it work and is it supported?
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Dec 5, 2011
We have 2 ASA 5505s in a data center at a remote site.
Whilst troubleshooting another issue I noticed the below. I don't know much about fail over but this would suggest that the secondary ASA is active and the primary ASA is on standby.
if the primary is "active" then how come the secondary is the active ASA? I would have thought that once the primary ASA became active this would assume the "main" role".
[Code] .....
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Jul 24, 2011
I have 2 FWSM running on 2 Cat6500 chassis, they work as a Active/Stanby group. Firewall mode is transparent. [code] HA is running well, but I can not ping the standby IP (10.98.1.248). So what could be the problem?
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Dec 20, 2012
I am in the process of adding a new ASA 5550 as a standby box to an existing ASA 5550 running on transparent mode. Both are on version ASA 8.0(4) and ASDM 6.2(1). I have set the new ASA 5550 to transparent mode. The configurations are the following for the HA: [code]My questions are the following:
1. The management ip address is different than the ip used for the failover link. Since the firewalls are on transparent mode, does the failover ip needs to be the same as the management ip address?
2. Does any other additional config is needed for HA to work for basic active/stand-by failover?
3. Which is the best method to add the second box without disrupting the active box?
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Jan 17, 2012
Can I upgrade Active/standby pair from 7.2(4) to 8.0(5)25 directly or need to upgrade to 8.0.2/4 first? Upgrade an Active/Standby Failover ConfigurationComplete these steps in order to upgrade two units in an Active/Standby failover configuration:Download the new software to both units, and specify the new image to load with the boot system command.Refer to Upgrade a Software Image and ASDM Image using CLI for more information.Reload the standby unit to boot the new image by entering the failover reload-standby command on the active unit as shown below:active#failover reload-standbyWhen the standby unit has finished reloading and is in the Standby Ready state, force the active unit to fail over to the standby unit by entering the no failover active command on the active unit.active#no failover activeNote: Use the show failover command in order to verify that the standby unit is in the Standby Ready state.Reload the former active unit (now the new standby unit) by entering the reload command:newstandby#reloadWhen the new standby unit has finished reloading and is in the Standby Ready state, return the original active unit to active status by entering the failover active command:newstandby#failover activeThis completes the process of upgrading an Active/Standby Failover pair.
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Aug 6, 2012
Is the preempt option available in active standby ASA firewall setup with single context...somewhere i have read that same is available in active-active setup or active/standby setup with multiple context.If i active the multiple context mode on product environnement with two ASA5520 in Active/Standby mode, what are the impacts on the the production?
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Jan 12, 2013
1. We have Two 3900 Router on the core layer which are terminated with one ISP on one Router and Secondary ISP on Second Router.
2. Can we configure my ASA 5520 with Active/Standby termenating two IPS providers one on Active ASA 5520 and Other ISP on Standby ASA 5520, so that when Active ISP fail ASA Secondary can become Active and send the Traffic throough Secandary ISP.
3. The reasion behind giveing Public IP on Firewall is to Terminate VPN on our Firewall i.e. SSL and IPSEC VPN.
Few Clarification If we can achive the above:
1. How will the DMZ Servicec nated with my Primary ISP on my Primary ASA will be routed when the Secondary ASA is acting as Active Firewall.
2. Can Web SSL and Client To Site IPSEC VPN users access service via the Secondary ISP- ASA when my Primary ASA and ISP is down.
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Apr 13, 2011
I currently have two 5540's in an Active/Standby pair. The primary unit failed on February 12th, so the secondary ASA is now the active one. My question is this - we have made a lot of changes since February 12th and I am planning on fixing this failover issue over the weekend. Will the secondary (now active) FW sync it's config to the non-active FW, or will the failed FW sync it's out-of-date config - removing any changes that we've made in the last month or so.
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Apr 10, 2011
I have two ASA5510 configured in an active/standby failover configuration. Everything is working well, but I would like to remove DMZ2 as it is no longer needed. On my DMZ2 interface, I have removed the security level and the IP address and shutdown the interface. However, when I do a "show failover" DMZ2 is still showing up. I would like to remove it completely so that failover isn't even "monitoring" this interface. What command am I missing or what do I need to do to completely remove this interface from this "show failover" listing? [code]
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Mar 15, 2011
I am getting ready to setup avtice/standby failover on our ASA 5520's and have run in to an issue.I currently only have one External IP address available. My Idea was to use a private/placeholder IP address for the standby external IP Address, will this cause any issues with the failover? I know I won't be able to access the secondary from the outside, but that is not an issue.
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Oct 9, 2011
I have been asked to look at upgrading two 5520 ASA configured in a HA pair Active/Standby, from version 7.2(4) to version 8.3(1) to bring it in line with some other ASA firewalls in the organisation.
My question is can I simply upgrade straight from 7.2(4) to 8.3(1) or will I have to step the upgrade from 7.2(4) => 8.2(x) => 8.3(1)
Having read a few articles on the forums and the release notes I think I should be able to go from 7.2(4) => 8.3(1) .
The second part of my query is around the upgrade itself, having researched this a little there seems to be various views on how to go about upgrading a HA pair and I cannot find anything specific on the website.
The approach I am thinking of is simply as follows;
- upload images onto both firewalls in the HA pair
- On the standby from the CLI
clear configure boot
[Code].....
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Apr 2, 2013
I have a dual ISP, 1 primary and 1 secondary terminated on fa0 and fa2 on our ASA respectively. ASA was configured so that, when the primary fails, the secondary kicks in. [code]
It was until yesterday that we experienced downtime on the primary ISP that the secondary doesn't do the fail-over. I have to manually configure the device to use the secondary ISP. Currently, I'm looking at maybe this has something to do with the licensing.We are currently using a Base License, should we be upgrading to Security Plus?
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