Cisco Firewall :: Pix 525 Cluster Failover?
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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Feb 20, 2013
I have a 6500 serious switch that one port (portfast enabled) hold a server .This server has sort of a Cluster configured for high availability .
During primary server failure the failover server acquires the cluster IP address (ie virtual IP).
Cluster IP 192.168.10.1
Primary server =192.168.10.2 Failover server =192.168.10.3
when failover happen , i am unable to learn arp. need to reboot the server for arp . After reboot i am getting different mac address(secondary) with cluster IP.
query:-normal clustering how mac address generating(means logicaly any mac address will be created or LAN card mac address)? Is ther any issue with portfast configuration(with out portfast configuration TCN will generate and max age timeout decrease 15 second from 300second) ?
Note : we checked a scenario same ip address with two system(ipconflit) and removed arp learned system from network and same thing happen we need to clear the arp manually in L3switch
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Apr 26, 2013
I'm working on a BoM for a customer and i need to offer an ASA5525-X pair in HA with AVC and WSE subscritption, I've two question:
1) In order to use AVC and WSE I need the ASA bundle that includes the SSD HD right? (ASA5525-SSD120-K9)
2) In order to have both ASA's in HA, do i need to order two Suscriptions (ASA5525-AW3Y-PR) or only one that is "shared" in the cluster?
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Mar 15, 2012
We currently had to RMA both PIX 525s due to increasing crc errors. After swapping the old ones with the new we are still seeing crc errors on all gig interfaces. We have swapped the gig nic's and the sfp's and the fiber patch cables, yet still the crc errors continue to climb.
Another thing that's interesting is that when we disconnect the secondary we see an increase in throughput.
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Aug 19, 2012
we are going to upgrade our 5580 ASA Cluster from 7.2 to 8.2 and want to do it like this way ( which worked for all 7.x upgrades ) :download asa8.2 Image to primary + secondary Firewallreboot primary ( message come up " mate version ...)reboot secondary.Does it works any experience? Does it work if both firewall can see each other during the boot process ?
Do I have to bring the secondary into the monitor mode so the fw is not visible for the primary ?
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Feb 24, 2011
Just looking for some good reasons why I should upgrade a Cisco PIX 515e cluster to an ASA Cluster to present to the business.
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Feb 26, 2013
We have the following setup on our Cisco ASA version 8.6.1 One to one NAT rule from outside to our Exchange 2010 cluster IP address (DAG group). This is working fine for clients on the internet accessing their emails via Exchange using their phones. The ASA has the MAC address of the active node from the cluster but when the cluster failover it cache the IP address and are not updating the new MAC when the cluster failover. So users from the outside are unable to connect to the new node from outside the ASA as the MAC address from the passive node is in the MAC table. The MAC address on all the switches update within 2 seconds on the internal network and users don't notice any outage.
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Feb 11, 2013
I have 2 cisco asa 5540's configured in active/standby mode. I need to change the hostname and domain name as per our standards. Does changing the hostname has any impact on the traffic flow?
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Jun 6, 2012
I have a active-active setup with 2 cisco asa 5585x running 8.4 - the boxes ahve each 2 sec context's build-in - which gives 4 sec context in the cluster. I have 2 x 5 extra licenses (2 x ASA5500-SC-5) which I haven't applied yet - will this give me a total of 10 or 14 security contextes? I am a bit in doubt because if I only get 10 sec contextes in this cluster then could I instead get a single 10 security context license (1 x ASA5500-SC-10) and add this - hereby I would get 12 then.
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Jan 6, 2013
I have a misanderstand about management interface configuration in cluster. So I have a cluster asa 5515X with management interface. i Would like to be able to connect to any of the member of my cluster on management interface, so i would like to fix a different ip on management interface on each of my node ip 92 and 91. I think it is the only way to make asa firmware update to access local flash on each node.
my config
interface GigabitEthernet0/1
channel-group 1 mode active
no nameif
[Code].....
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Jul 21, 2011
last night we tried to upgrade our cluster (2x ASA5520) from 8.0(4) to 8.2(3) and failed miserably.
1. Both units got the new image, but when we reloaded the secondary unit then we got the following strange message:
"Mate's license (10GE I/O Enabled) is not compatible with my license (10GE I/O Disabled). Fail over will be disabled."
After this message fail over was not there anymore and both units became active (!!!) which killed everything. Of course ASA5520 doesn't have 10GE and we have exactly the same units. What could be the problem here? Currently we run with a single unit with 8.2(3) and the secondary unit is switched off.
2. After the upgrade we cannot connect with multiple VPN sessions from the same client, this gets logged:
"Multiple sessions per tunnel are not supported"
This was working just fine with 8.0(4) and doesn't work with 8.2(3). Do we have to update something in the config or what is causing this? If you ask why we went with 8.2(3) instead of 8.2(5) then the answer is because we were testing that for several month in our secondary data center, but unfortunately only on a single ASA and not on a cluster. We couldn't go higher due to the 512MB RAM we have in all units.
And we had to upgrade, because we had crashes with 8.0(4) which was working fine for a long-long time.
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Jun 4, 2012
I have a pair of ASA 5520s in active/standby failover mode, single context. I'll be migrating to multiple context mode later this week. Do I need to break failover first? Or if I don't need to, should I? Or can I do this while maintaining failover? Can either of these scenarios will work (or fail). I'll be remote, doing my work via SSH, but have somebody local who can console in if needed.
Migration option #1
Log into active/primary ASA
Configure Multiple Context mode
Reboot both devices
Login to active/primary ASA
[code]....
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Apr 15, 2013
We have a faulty FWSM module in Cisco 6509 switch in Active/Standby cluster mode
We have purchased a refurbished FWSM module to replace it. It has the same FWSM OS 4.0 (4) and is in factory default configuration
What procedures should I follow to make this unit live and sync the config between the current active unit to this one.
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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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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
[Code].....
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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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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
[Code].....
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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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