Cisco Firewall :: ASA 5550 Failover License Requirements?
May 22, 2011
According to Cisco, one of the ASAs must have an Unrestricted License [URL]:
"On the PIX/ASA Security appliance platform, at least one of the units must have an unrestricted (UR) license. The other unit can have a Failover Only Active-Active (FO_AA) license, or another UR license. Units with a Restricted license cannot be used for failover, and two units with FO_AA licenses cannot be used together as a failover pair."I am unfamiliar with the different ASA licenses, so with my current license, I am unable to enable failover on my two ASAs. Here is a snippet of the "show version" output on one of my ASAs (they are the same as far as licenses go):
Licensed features for this platform:Maximum Physical Interfaces : UnlimitedMaximum VLANs : 250Inside Hosts : UnlimitedFailover : Active/ActiveVPN-DES : EnabledVPN-3DES-AES : EnabledSecurity Contexts : 5GTP/GPRS : DisabledSSL VPN Peers : 10Total VPN Peers : 5000Shared License : DisabledAnyConnect for Mobile : DisabledAnyConnect for Cisco VPN Phone : DisabledAnyConnect Essentials : DisabledAdvanced Endpoint Assessment : DisabledUC Phone Proxy Sessions : 2Total UC Proxy Sessions : 2Botnet Traffic Filter : Disabled
This platform has an ASA 5550 VPN Premium license.
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Dec 9, 2012
I need your support for upgrading the Security context license on 5550, at present we have 5 Security context license installed in ASA but we want it to increased till 10 conctexts. I want to understand if we need to get addtional 5 Security context license or 10.
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Nov 11, 2012
I discover an issue with my CISCO ASA 5550 because I'm looking at the vlans that I have configured and some vlans on the Stand by device had not an IP address configured, checking the configuration of the failover
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Dec 19, 2010
I am having a curious problem with two Cisco ASA 5550. They are configured in Active/Standby failover and in routed mode.The problem is: I cannot connect via SSH to the ACTIVE unit, only to the STANDBY. If a switchover is forced the problem is still the same. because it happens both with the primary and the secondary unit.It is not a L2 or a transport problem, because I can ping or access both units via ASDM.
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Jun 8, 2011
I am trying think of a better way to provide redundancy on some internally protected networks. We maintain our own WAN/backbone between our primary site and backup site. Is it possible to have two Cisco ASA 5550s in setup for failover at completely different sites as long the networks connected are available?
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Mar 26, 2011
I've two Cisco ASA 5550 firewall. I'm don't have much knowlege on configuring this kind of firewall. I need configuring these firewall for simple NAT. I have 3 public IP address. I would like to allow server's inside of the firewall to be able to connect to internet using private address. A basic NAT. Also need to configure some port forwarding. We've bought two firewall for the Active/Active failover support. How can i configure this through ASDM? My ASDM version is 5.2.
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Jun 28, 2011
Since the "zero-downtime upgrade" is not supported, I would like to validate the process I put together for upgrading a failover pair of asa5550 with the characteristics below. Specifically I am concerned with the role of the standby during the upgrade. This is my setup:
.- single context mode
.- active/standby
.- current firmware asa821-k8.bin / asdm-621.bin
.- role: firewall and VPN concentrator for segmented server farm network. Dynamic/static/exemption NAT heavily used.
My target is asa842-k8.bin / asdm-645.bin and I am doing a two step upgrade (8.2(1) -> 8.3(1) -> 8.4(2)) to avoid the "unidirectional" attribute and CSCtf89372 bug issues. This is a short version of what I have in mind:
.- Verify stability of failover pair and make adequate backups before beginning.
.- plug into the console of active, ssh into active and standby.
.- vpn/act(config)# no failover ( disable failover from active )
[Code]....
After reboot, point to 8.4(2) and reload again. Same concern regarding the standby unit.
I understand there might be configuration tweaks needed to the NAT configuration. After second reboot test connectivity and if successful, on active "failover", "write standby" and "failover reload-standby". Otherwise "downgrade" and back to the drawing board.
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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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Apr 15, 2013
I have a running ASA5520 in my network and recently we plan to add a failover pair as a standby unit for the running asa. Both of the ASA have the same specs and software. the only thing that the soon to be secondary ASA does not have is the AnyConnect Essential license. is it still possible for the unit to be the standby unit?
below is the license capture from both of the unit.
Running ASA:
Licensed features for this platform:
Maximum Physical Interfaces : Unlimited
Maximum VLANs : 150
[Code].....
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Jun 3, 2013
According to the link here:[URL]Starting with Version 8.3(1), it no longer needs to install identical licenses. Typically, we only buy a license only for the primary unit; for Active/Standby failover, the secondary unit inherits the primary license when it becomes active.So I wanna know if there's some additional configuration to synchronize the licenses such as SSL VPN or Context between the primary one and the second one? Or they can just synchronize by default as soon as I finish the failover configuration and when the primary one gets down, the second one will take over the role including licenses automatically?
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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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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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Mar 24, 2013
We apply a new anyconnect mobile license to our primary asa 5520 and the failover feature went into an off state. WE have now applied a second purchased anyconnect mobile to our secondary asa but the failover is still inactive/off.
bcoh1fw50# sh failover state
State Last Failure Reason Date/Time
This host - Primary
Disabled Ifc Failure 14:43:21 EST Jan 30 2013
[Code].....
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Mar 6, 2013
Our customer has purchased 2 x L-ASA-AC-E-5520= Anyconnect Essentials VPN Licenses (750 Users)Ive installed both activated licenses as per the cisco guides, I didnt get any errors on the install. I did a reload on both, they are both back up and running as active/standby but when I do a sh ver the license still shows "ASA 5520 VPN Plus License"Am I being dumb and has this worked successfully or should it not now display Anyconnect when I do a sh ver?
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Mar 18, 2013
I've got a ASA 5550 firewall interface failover issue. (File attached).
when I shut down the inside interface Gi 1/1 of the left firewall(Active firewall), It failed to failover. but when I shut down the Gi 1/12 of the Core 1 switch, The firewall failover very well.
I followed this guide but I was not able to failover. [URL]
how can I configure so that when the Gi 1/1 or Gi 1/0 interface goes down, it can failover ? Code...
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Oct 18, 2010
I have consulted a Cisco partner, as well as two different sources at Cisco and it seems remarkably difficult to find solid answers on anyconnect mobile licensing. I've got a pair of 5550s running 8.3.2 in active/standby. Based on the following license configuration, what do I need to support mobile clients? Anyconnect for mobile is obvious. Essentials? Since changes in 8.3 can I get away with one anyconnect for mobile license or do I need one per firewall? How many mobile clients would I be licensed for, 2500 per firewall? [code]
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Apr 4, 2011
I have setup ASA5510 in failover mode. I am planning to use this setup for clientless SSL VPN and have following questions.
1. Do I have to license both firewalls for SSL VPNs? These licenses are very expensive and why would I have to purchase it for secondary when I am not using it?
2. SSL vertificate for the firewall it self. Do I have to acquire one or two to ensure users don't get annoying message about self signed certificate? Cisco doesn't seem to have this discussion in any documents. However I found following URL discussing from somebody's experience. What's official statement from Cisco on this matter? [URL]
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Apr 21, 2013
Lately we have been comsidering an upgrade in our organization involving a 1921 router. The main role it will play is a load balancer/failover between 2 connections from 2 different ISPs. what additions are required to be added to this piece of equipment to make the configuration work. Im researching the matter now and it seems an extra card whould be purchased in addition to the router. Also, i cant seem to find much information on the available licenses to go with the router. will i need a special license to utilize the balancer/failover feature? (ip base, data, SEC).
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Oct 16, 2012
What's the difference between VPN Plus license and Security Plus license. I have new 5520 shipped with VPN Plus license.Also does it require a seperate license for Anyconnect for Mobile and AnyConnect Essentials.
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Mar 3, 2011
i two 5550 firewall set up for redundance purpose . in failover we define two different ip add one for primary and one for secondary .interface Ethernet0/0 nameif outside security-level 0 ip address xxxx.0.0.0.1 255.255.255.0 standby xxxx.0.0.2!interface Ethernet1/0 nameif inside security-level 100 ip address 10.0.0.12 255.255.255.0 standby 10.0.0.11.default gateway for host will be 10.0.0.12 (primary fw address) however in case of failover , the secondary fw will be up with ip address that was assigned for primary .in this case the secondary ip add 10.0.0.11 is actually nerver used? similarly do i need to have two public ip address for outside (one for primary and one for secondary ) ? or in case if primary fails the secondary comes onlie and take the ip of primary fw . hence i only need to purchase just one ip address.
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Feb 22, 2013
I have cisco 5550 Firewall, one messages appear in syslog server from Firewall, (warning) i want to stop this message from appearing syslog traps.
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Apr 17, 2011
I am having two ASA 5550 firewall running in active/standby mode. With in last two months our secondary firewall got down automatically 3 times. Firewall is running with IOS version 7.1.2. how to proceed further troubleshooting because there are not any logs on firewall.
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May 13, 2011
I have ASA5550 ruuning Version 8.3(1) with inside and outside interfaces as below [code] On the inside : I have a server (10.20.10.36) that need to be accessed from an outside host (Y.Y.131.34) , so I have the below NAT/ACL rules. [code] is it right that I have to add two ACL entry for outside host to the NATed IP of the inside server , then again add another ACL entry from the same outside host to the private IP of my inside server o get this communication done?
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Jan 31, 2012
we had just installed our ASA 5550 with IOS 8.0(2) a couple of week ago.
2 interfaces from each slot are being used ie 0/0 for Branch users comming via MPLS cloud , 0/1 for internal LAN users comming form Core Switch & 1/0 for Server farm LAN , 1/1 for Internet (outside)
the first 3 interface are considered inside with sec set at 100 while the 1/1 is outside with sec at 0.
Last night it suddenly started dropping all connections without any warning or any noticible log form the ASDM logging.
the connection drop would happen for 2 - 3 minutes and would work fine for the next 15 minutes or so..
after conencting the console , we found out that the IOS would suddelny go abrupt and show this display ...
TP-ASA(config)# TP-ASA(config)# TP-ASA(config)# Thread Name: Dispatch UnitPage fault: Address not mapped vector 0x0000000e edi 0x24d184b0 esi 0x0000000d ebp 0x1c6ceaf8 esp 0x1c6ceae0 ebx 0x09e965e0 edx
[Code]....
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Oct 4, 2011
I have looked in the books I have (Cisco ASA, PIX and FWSM; ASA 8.0) and googled a good bit but can't seem to find any specific mention of how to do NAT exemption with v8.4. It seems NAT exemption (NAT 0 access-list) was deprecated. Using ASDM, there's no corresponding menu item for this that is obvious.
We have public addresses inside the ASA and want to allow in/outbound connections using these IP's without NAT. The ASA is a 5550.
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May 21, 2013
I need to understand if ASA 5550 ver 8.2(1) is comptible with IPv6, if not what is the upgrade path to make it IPv6 compatible. The requirement is dual stack of IPv4 and IPv6 should run in the same HA cluster and later will shift IPv6 completely.
The existing infrastructure is equipped with ASA with HA Active/Active mode. The command output for required details are attached here in txt mode.
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Mar 10, 2013
I have Active Standby ASA5550 setup with VPN premium license. A few days back we had a requirement of SSL VPN connection for and we got a temporary from Cisco for same, this license expired and the ASA reverted to it's original license. 3 4 days after this we saw a sudden increase in CPU utilization (upto 90% + -5%) on the ASA during production hours but were not able to figure out the reason, in order to restore the services we failovered the firewall to secondary and everything worked fine. We were suspecting one of the following but there were no logs for any of this
1. The ASA hardware was haivng problem
2. Some client was doing a DoS attack to bring down the ASA (no logs for this as well).
We took a downtime to look further by failovering the ASA back to primary and it worked fine without any issues ruling out the 1st option. We also came across a licesing doc [URL]
Downgrading any license (for example, going from 10 contexts to 2 contexts).
# Note If a temporary license expires, and the permanent license is a downgrade, then you do not need to immediately reload the security appliance; the next time you reload, the permanent license is restored.
As per this doc, sooner or later a restart was required on the ASA. We restarted secondary ASA and everthing was fine but when we restarted the primary ASA by swtiching over to secondary some of the server (not all) in the DMZ stopped working (even ICMP unreachable) and only came back to normal when the primary ASA was restored and working fine (with failover).
The reboot was done by shuting down the physical link between the Core switch and ASA inside individually.
I am not sure what could be the issue that the servers in the DMZ wen unreachable.
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Aug 9, 2010
In my Cisco ASA 5550, I need to set two different syslogs servers, and I need to send the system logs to the first one (only admins login/logout), and the traffic logs and all the rest (informational level) to the second one. Do you know if is it possible or not and, if yes, how to configure it?
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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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Apr 26, 2011
I am using an ASA5550 for a complex secure network that has at least six "outside" networks. Each "outside" network is assigned to a specific port each set at level "0". I also have a DMZ, set to level "50". I am having difficulty with passing traffic from a host in the DMZ to all but one of the "outside" networks. Is there a limit to the number of "outside" interfaces? I will provide a redacted config file as soon as possible.
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May 10, 2013
i have Cisco ASA 5550 and i want to do URL filtering using Web sense,can i use Micorsoft Forefront TMG2010 as websense server to do that?
the idea is to filter the HTTP & HTTPS URLs,if the Micorsoft Forefront TMG2010 is not suitable,refer to suitable Websense URL filtering server?
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Oct 3, 2011
I have the following problem, right now we have an ASA 5550 connected to the client´s side. A reset is being received on the client´s side, but when we run the sniffers on both extremes of the network, we can see that the reset is not being sent by the server´s side.
We have narrowed it down to the 5550 ASA, but have found no bug that matches the description.
The characateristics of the reset packet are the following:
- It is the only packet with a TTL of 255.
- Both server and client have very different window sizes, and the reset packet even though has the server´s ip and port as source of the packet, it has the client´s window size.
- It has a correct ack number.
-Before the reset is received, there are a couple of retransmissions of the last packet sent.
- We´re handling a VPN tunnel between both servers.
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Feb 7, 2011
i m looking for asa 5550 product.Part # ASA5550-BUN-K9 - Cisco ASA 5550 Appliance with SW, HA, 8GE+1FE, 3DES/AES
1) does 5550 contains built in CSC / IPS modules.? why i m asking because the "quick refrence guide " indicates that expansion slots are not available.
2) can asa 5550 natively protects natively against networks attacks against virus / worms etc with out CSC OR IPS MODULE.?
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