Cisco asa ios 8.3 requirements

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  2. Cisco ASA 5525-X Adaptive Security Appliance
  3. ASA (5) memory requirements - Cisco Community

That said, for CLI users, please do not upgrade to 8.

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Instead, it is recommend that you play with it in a lab if you have one , or read up on the changes see Additional Information below before you upgrade. Ok, with that said, let's look at some examples. Although the syntax of the ACLs haven't changed much just added capabilities for new objects , the significant change is that all IP addresses listed in ACLs which are applied to an interface will be converted on upgrade from using global ie: Let's look at an example.

In the above Topology, an internal web server with IP Clients on the Internet access this web server by its public IP address: But, starting with 8. Please see the configuration examples below. Cisco ASA version 8. Thanks for the doc. Another gotcha to be aware of: If you use names in your config and thus ACLs in 8. You will upgrade, and not too much will work! Make sure you enter "no names" before you do the upgrade so the conversion can work properly, and save yourself major headaches. Also, my site to site vpn's stopped working because 8. See this link for the bug: I have one question about your doc For ASAs in failover set, we do support upgrading from 8.

Here below what I did first as recommended by Cisco: Hi all - I found this article was very helpful in understanding what to expect with the upgrade. I recently upgraded from 8. I was able to perform the zero downtime upgrade as documented by Cisco. No problems encountered. I use names in my config and did not run into any problems when those were converted in the ACLs.

It helps to step through the upgrade in a test environment to understand how the migration modifies the names and ACLs.

Cisco ASA 5525-X Adaptive Security Appliance

I stepped up to 8. This is recommended by Cisco to avoid the unidirectional keyword bug. When you upgraded, did you bring up the standby unit to 8. Hi - yes, that is exactly how I did it. You'll get a warning about version mismatch but you can safely ignore that while performing the upgrades. Cisco's new paradigm of always referring to the real addresses instead of the translated address was a huge mistake!

This is confusing and unneeded. Does anyone have an explanation as to WHY this was done? Well for one, I know this was done to allow more flexibility in NAT use, in a situation where the mapped address in a NAT rule is modified there will not be any need to change the access-lists. I want to upgrade a from 8.

Please does anyone know how I can get the system requirements for the 8. And if there are any differences in upgrade procedure or operation with this release. Find A Community.


  • Cisco ASA Upgrade Guide - Planning Your Upgrade [Cisco ASA X Series Firewalls] - Cisco.
  • Release Notes for the Cisco ASA 5500 Series, 8.2(x);
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Selecting an ASA Version and Updating - The Tricks to Make it Easy

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ASA and ASDM Compatibility Per Model

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ASA (5) memory requirements - Cisco Community

See the VMware documentation for more information about vSphere and hardware requirements:. Therefore, we recommend using Version The access point includes an autonomous Cisco IOS image, which enables individual device management. The following table shows the supported software for the access point as well as the supported Cisco Wireless LAN Controller software if you convert to unified mode. Due to CSCuv , we recommend that you upgrade to 9. You can ignore the message. The ASA does not support the hardware bypass functionality of these modules, but you can use them as regular interfaces.

Clustering will work with both Cisco and non-Cisco switches from other major switching vendors with no known interoperability issues if they comply with the following requirements and recommendations.


  • Memory Requirements for the Cisco ASA Adaptive Security Appliances Software Version 8.3 and Later;
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  • ASA Upgrade Checklist.

For switches that have been verified to work with clustering, see the verified switches table below. All third party switches must be compliant to the IEEE standard EtherChannel bundling must be completed within 45 seconds when connected to Firepower devices and 33 seconds when connected to ASA devices. On the cluster control link, the switch must provide fully unimpeded unicast and broadcast connectivity at Layer 2 between all cluster members. On the cluster control link, the switch must not impose any limitations on IP addressing or the packet format above Layer 2 headers.

On the cluster control link, the switch interfaces must support jumbo frames and be configurable for an MTU above The switch should provide uniform traffic distribution over the EtherChannel's individual links. The switch should have an EtherChannel load-balancing algorithm that provides traffic symmetry. The EtherChannel load balance hash algorithm should be configurable using the 5-tuple, 4-tuple, or 2-tuple to calculate the hash.

For the Firepower cluster, intra-chassis clustering can operate with any switch because Firepower to-switch connections use standard interface types. The following table lists verified Cisco external hardware and software to interoperate with clustering. For the Nexus , you can use F1-series line cards for the cluster control link, but we do not recommend using them for data EtherChannels in Spanned EtherChannel mode due to asymmetric load-balancing, which can cause performance degradation for data throughput on the cluster.

For the Nexus , we do not recommend using this switch for data EtherChannels in Spanned EtherChannel mode due to asymmetric load-balancing, which can cause performance degradation for data throughput on the cluster. You can use the switch for the cluster control link or for interfaces in Individual Interface mode.


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We do not recommend using this switch for data EtherChannels in Spanned EtherChannel mode due to asymmetric load-balancing, which can cause performance degradation for data throughput on the cluster. If you are running an earlier version of the ASA device package or APIC, for best stability we recommend that you upgrade to the minimum versions in this table.

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