Cisco Firewall :: ASA 8.4 - Failover Not Replicating Configurations
Jun 5, 2011
I have this firewall working as active/standby. Everything seemed to be ok, but we noticed that confirgurations are not being replicated by saving configuration either copy run start or write. The workaround here is write standby command. Below the configs and stats, plus the show version, which is the same in both equipments:
Header 1
failover
failover lan unit primary
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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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Jan 18, 2012
We have 2 ASA 5510's running in a Active/Standby configuration. It appears that most of the changes we make on the active unit are replicated to the standby unit. However, there are 3 AnyConnect Client Profiles on the active unit and none of them show up on the standby, the standby has no AnyConnect Profiles. We also have 1 OnConnect script on the active unit and it does not appear on the standby unit either.
I was under the assumption that all config items on the active unit would replicate to the standby. Is this not correct? Do I need to do something extra to get everything replicated? Are there other items that do not replicate?
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Dec 5, 2012
I have an ASA 5505 without any IPS module.While copy/pasting some configurations from another 5510 with IPS I copied my mistake the some of the IPS configurations part. Now I can't remove it.When ASA starts I get this Warning:
...WARNING> IPS policy is configured without an SSM card.
*** Output from config line 828, " ips inline fail open"
Those lines are:
policy-map Outside_Policy
class IPS_class
ips inline fail-open
When I try to do "no ips inline fail-open" I get an "invalid input detected".If I try a no class IPS_class I get that is being in use.What can I do to clean up those lines?
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Apr 18, 2013
I'm trying to move some configurations over to an ASA5510 and some of the commands are a bit different than I'm used to (worked on old pix before)
I've configured the following on the device:
Outside interface: 65.66.64.34/28
DMZ : 65.66.64.49/28
Inside : 10.2.3.3/26
===========================
The current firewall has the below configured on it (old Juniper)
10.2.3.0/24 gateway 10.2.3.15 **10.2.3.15 is the IP for 3750 switch on the inside LAN**
10.0.0.0/24 gateway 10.2.3.4 **10.12.175.4 internal vpn- will remove later but thats a different discussion**
0 0 gateway 65.66.64.33 **to internet
10.0.1.0 gateway 10.2.3.2 **10.2.3.2 represents mpls traffic
[code]...
The current set up for this network has an mpls router and a vpn concentrator as part of the network my aim currently is to replace the juniper with an asa5510 the changing of the vpn tunnels will be for a different time:
work station ===> switch (3750) DG to =====> MPLS (vendor owned and managed) ====> non mpls traffic ====> vpn concentrator ===>firewall ===> router
The above will need acls to go with the routes, which I should manage ok just want to make sure the routing is configured properly
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Sep 30, 2012
I have an issue with the LMS 4.0, i added manually the ASA Fws 5520 and 5510, and i see them there, but i cannot see the configuration, inventory and technology details.Telnet is deactivaved in ASA´s, ssh and snmp v3 are enabled.Routers and switches were added without issues.
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Jan 16, 2012
I have one ASA5520 with version 8.4(3), and a few ACL rules defined. One ACL is permit traffic from one interface(EXT_SERVICE) to another interface(DMZ_SERVICE), if i change that rule to deny traffic, all new connections that match the rule is denied, but no the established connectios. ¿Why the established connections can pass the deny rule? ¿How I can change that? I need create a ACL with deny type and stop all comunications that is running and match the deny rule.
Running-config of my ASA5520:
ciscoasa# show run
: Saved
:
ASA Version 8.4(3)
!
hostname ciscoasa
enable password 8ay2wjIyt7RRXU24 encrypted passwd 2wFQnbNIdI.2KYtU encrypted names !
interface GigabitEthernet0/0
[Code] ........
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Oct 28, 2011
I am trying to migrate checkpoint configs to ASA 5585 using SCT tool, this tool asking me to feed it *.W file from checkpoint which is suppose to be a rule definition file on CP, but I cant find it
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Sep 19, 2011
After reading the post titled "ASA 5520 nat access-list query for internet access" I realized the object-group command could and should be used to make a more efficient and cleaner configuration. My current environment is very small and straight forward consisting of one FTP server in the DMZ. Though the guide: [URL] is straight forward, my inexperience hinders me from seeing how to use the commands effectively. A summary of the configuration is at the bottom of this post
Question: How can I clean up my current configuration? I have two references to the same server, dmz-rdp and dmz-ftp, created for port forwarding ports 3389 and ftp through the outside interface. I can combine them into one object statement, right? for each port I want to forward through the outside interface?
object network dmz-rdp
host 10.10.10.4
nat (DMZ,outside) static interface service tcp 3389 3389
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Jun 11, 2013
We have 2 Cisco 5508 WLCs, each wtih 50 licenses. What I would like to do is split the 50 odd APs between the 2 controllers load balancing the traffic. If a controller goes down or there is a break in the path all APs would failover to their configured secondary controller. So far so good.
However there seems to be no way to 'replicate' the configurations between controllers unless I setup HA , but as I understand it HA is Active /Passive, so essentially, unless you get a failover situaltion, completely 'redundant'.
Is there a way or either replicating between controllers automatically with out HA, or is there a way of making HA Active / Active?
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Oct 17, 2012
I am trying now to deploy the setup that works on some APs and doesn't work on others.
For example, on an AIR-AP1231G-A-K9, the following setup works:
!
version 12.3
no service pad
service timestamps debug datetime msec
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Feb 8, 2012
I have two switches, a 2960 (sw01) and a 2948 (sw02). The sw01 is trunking via dot1q on Gi0/24 to sw02 on 2/48. Why are VLANs 2-4 not active on sw02?
sw01#sh int Gi0/24 trunk
Port Mode Encapsulation Status Native vlan
Gi0/24 auto 802.1q trunking 1
Port Vlans allowed on trunk
Gi0/24 1-4094
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Feb 19, 2012
I have a Cisco ASA 5505 in our office. We are currently using Interface 0 for outside and 1 for inside. We only have 1 Vlan in our environment. We have two three switches behind the firewall. Today the uplink to Interface 1, to the firewall, on the switch went bad. I want to setup a second inside interface on the firewall and configure it as failover incase this happens again. I want to attach it to the other switch. Can I do this? If so, what do I need to do? would it only be a passive/standby interface?
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Nov 10, 2011
I got PIX 525 with failover. Due to power issue one Unit was offline for a while. During this time couple of changes was done on the Firewall.
Which Unit becomes active when I plug the Firewall unit which was offline for a while now. Each Unit has 4 Ethernet Connection
E 0/0 - connects ISP Router
E 0/1 - connects to Lan switch
E 1/0 - connects to DMZ port
E 2/0 - connects to failover unit PIX
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Jun 20, 2011
Currently we have one ISP1 and all traffic goes to this way. Suppose our isp1 goes down, our outside user cant get the server. All servers are nated to this ISP1.We planned to purchase a another ISP2. Shall we Configure same inside server to map this ISP2? so that one primary ISP1 goes down it will take place the outside trafficISP2.
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Nov 23, 2011
How to configure ASA failover for 8.4.
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May 23, 2011
a customer have 2 pix 525 with ver 7.0.1 in a failover configuration with serial cable and 2 sc fiber interface and 2 fastethernet 1 used for failover. the strange behaviour is that when i try to do traffic from inside to dmz or dmz to inside the maximum transfer is 862Kb/s to 1MB/s not more.... i don't understand what's happened. the show mem and show cpu are normal 7% mem used and 1-2% cpu used. attached you will find the configuration.
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Jul 19, 2011
Is it possible to setup 2 x Cisco ASA 5520 that are in an Active/Standby failover using sla monitoring?
For example ASA1 outside interface connects to an upstream switch and you setup sla monitor with icmp echo to ping that switch. The switch goes down and you need the other ASA2 to become the Active ASA. Can the sla monitor be automatically integrated with the failover commands for this to happen?
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Oct 9, 2011
I have a ASA 5505 which is connected to a remote site which also has a ASA 5505 over a L2L VPN tunel. One of the sites has a WAN failover configured with two ISP which is working successfully.
But, when the WAN connection fails over to the backup connection the VPN link breaks as the peer site IP address has changed and the VPN can not establish a connection.
Would it be possible to configure a VPN failover so that when the connection failovers so will the VPN tunnel?
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Jun 20, 2011
There are 2x Cisco ASA 5505 in an active/standby failover config. The primary asa 5505 has been reset and the secondary is now running as active. I would like to reintroduce the primary again but need to know how to do this.
Ideally I would like to remove the failover config and start from scratch. Do I just need to enter the following to disable failover on the active secondary box?
no failover
no failover lan unit secondary
no failover lan interface failover Vlan999
no failover interface ip failover 192.168.254.1 255.255.255.252 standby 192.168.254.2
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Sep 24, 2012
I have a pair of ASA 5585 configured with 2 contexts, C1 & C2, C1 is active on ASA-1 & C2 is active on ASA-2 i did failover test, ping was initiated to host residing behind ASA-1 in context C1 i powered of ASA-1 then both context became active on ASA-2, however during this failover.i saw 4 ping packets drop..
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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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Feb 17, 2013
So we currently have a T1 connection at our location. We were looking to add a high speed cable internet and add an ASA 5505 with Security plus license to do failover between the two. I have found a few examples on how this would work but curious about a couple things.
We would want the Cable to be the primary, T1 as a backup.Currently the IAD that handles our T1 does dhcp, dns, and NAT.. Who/what would handle these items with the setup above?
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Aug 3, 2011
I've seen you can configure stateful failover between two routers running ip inspect classic firewall: url...Can the same be done yet for zone-firewall? I cannot find any documentation on it.
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Sep 6, 2011
When we had 8.2.2, we bought a Mobile license to make the iPads running AnyConnect happy. I applied it, but since we'd only purchased one license, it broke failover. 8.4 lets you share tracking licenses, and since we were planning on the upgrade to 8.4.x anyway, I figured no big deal, I'll get that straightened out when I do the upgrade.
Did the upgrade this weekend, and I still can't get things happy, the boxes don't see one-another:
Here's a show failover on the primary:
Failover OnFailover unit PrimaryFailover LAN Interface: failover GigabitEthernet0/3 (up)Unit Poll frequency 1 seconds, holdtime 15 seconds Interface Poll frequency 5 seconds, holdtime 25 seconds Interface Policy 1Monitored Interfaces 6 of 160
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Mar 27, 2011
I have 2 PIX 525, which one of them, step and active failover mode the other PIX 525, leaving this off, do not know what happened may have been a power outage, but in any case I can turn it back on? And the other question I have is if I can import a configuration that I have saved on my computer. i have the PIX device manager.
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Sep 27, 2011
I got a problem with a cisco asa 5580 like two days ago and the device stop working (there was a mainteinance window and after that the device didn't work). Now we receive the RMA and we are trying to configure the failover so the new device get the configuration form the one that is working.
But this is the message that I gettin:
Failover message decryption failure. Please make sure both units have the same failover shared key and crypto license or system is not out of memory
We already changed the shared key and crypto license but the failover is still down, what are the features that the cisco need to activate to enable the failover?
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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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Apr 4, 2012
I have an outside 7206 router that is configured with BGP. Behind that I have an ASA 5520 with a failover. Everytime my primary ISP goes down I have to failover the ASA to restablish a connection to the secondary ISP. When the primary comes back on line I have to fail it over again. I have had Cisco TAC look at the ASA and they didn't see anything misconfigured on the ASA. Doesn't seem to be any problems with the router config either.
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Aug 27, 2008
Is there a way to trigger stateful (or stateless) failover on ASA 55xx (8.0.3) when there's a failure on the IPS unit? I understand the fail open/fail close and its application on a single firewall, but the better solution for an IPS failure in a redundant pair would seem to be a stateful failover to the other ASA, and I don't see that as a documented feature.
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Apr 17, 2011
I am having ASA 5520 with active/standby configured. Around 2 days ago, the ASA stopped responding & all of my websites stopped working. when i checked the failover status it said that failover is off. I had to manually turn the failover to start my traffic flow.During this time my secondary ASA was not responding. After some time, the primary stopped responding & secondary became active......to solve this i had to make the secondary unit as failover unit primary & the primary unit as failover unit secondary. i did get a log on ASA :-
“(Primary) Disabling Failover” with error message no.105001 which states the below:-
Error Message %PIX|ASA-1-105001: (Primary) Disabling failover.
Explanation In version 7.x and later, this message may indicate the following: failover has been automatically disabled because of a mode mismatch (single or multiple), a license mismatch (encryption or context), or a hardware difference (one unit has an IPS SSM installed, and its peer has a CSC SSM installed).(Primary) can also be listed as (Secondary) for the secondary unit.
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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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May 9, 2012
Trying to set up a stateful failover with two. asa5510
Here is what I have so far, tell me if this looks right. The ip address are set to 0.0.0.0 only for this discussion.
Config Primary Firewall:
config t
interface management 0/0 ip address 0.0.0.0 255.255.255.252 standby 0.0.0.0
interface eth 0/0
[Code].....
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