What is asav9-12-2-9.qcow2 and why you need it
Introduction
If you are looking for a way to secure your virtualized environments with a powerful firewall and VPN solution, you might want to consider using Cisco Adaptive Security Virtual Appliance (ASAv). ASAv is the virtualized version of Cisco's popular ASA firewall, which offers security features such as stateful inspection, application control, threat prevention, identity services, and more. ASAv can be deployed on various virtualization platforms, such as VMware, KVM, Hyper-V, OpenStack, AWS, Azure, GCP, OCI, and Nutanix.
One of the benefits of using ASAv is that it allows you to scale up or down your security resources according to your needs. You can deploy additional ASAv instances to handle peak demands or seasonal surges on your applications or VPN. You can also migrate your workloads across different cloud environments with ease and consistency. Moreover, you can manage and monitor your ASAv instances using the same tools and policies as your physical ASA devices.
asav9-12-2-9.qcow2 download
To use ASAv, you need to download a disk image file in qcow2 format, which is a common format for disk images used by QEMU emulator. The qcow2 file contains the operating system and configuration data of the ASAv. The file name of the qcow2 file indicates the ASAv version and platform size. For example, asav9-12-2-9.qcow2 is the qcow2 file for ASAv version 9.12(2)9 with a default platform size of 1 vCPU and 2 GB RAM.
How to download asav9-12-2-9.qcow2
To download asav9-12-2-9.qcow2, you need to have an account on Cisco.com and a valid license entitlement for ASAv. You can choose from different license types depending on your performance and feature requirements. The license types are:
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asav9-12-2-9.qcow2 eve-ng
asav9-12-2-9.qcow2 gns3
asav9-12-2-9.qcow2 nutanix
asav9-12-2-9.qcow2 vmware
asav9-12-2-9.qcow2 hyper-v
asav9-12-2-9.qcow2 virtualbox
asav9-12-2-9.qcow2 cisco
asav9-12-2-9.qcow2 firewall
asav9-12-2-9.qcow2 license
asav9-12-2-9.qcow2 installation guide
asav9-12-2-9.qcow2 configuration guide
asav9-12-2-9.qcow2 release notes
asav9-12-2-9.qcow2 upgrade guide
asav9-12-2-9.qcow2 high availability
asav9-12-2-9.qcow2 failover
asav9 12 2 9 qcow2 download link
ASAv10Supports up to 1 Gbps throughput and up to 250 VPN sessions
ASAv30Supports up to 2 Gbps throughput and up to 750 VPN sessions
ASAv50Supports up to 4 Gbps throughput and up to 1500 VPN sessions
ASAv100Supports up to 8 Gbps throughput and up to 2500 VPN sessions
You can use Cisco Smart Software Licensing to activate and manage your ASAv How to configure asav9-12-2-9.qcow2
After you have downloaded and installed asav9-12-2-9.qcow2, you need to configure it to suit your network and security requirements. You can configure the ASAv using either the Adaptive Security Device Manager (ASDM) or the Command Line Interface (CLI).
How to access and manage ASAv using ASDM or CLI
The ASDM is a web-based graphical user interface that allows you to manage and monitor the ASAv. The CLI is a text-based interface that allows you to enter commands and view output. You can access the ASDM or the CLI from a PC that is connected to the same network as the ASAv management interface.
To access the ASDM, you need to use a web browser and enter the following URL: https:// asa_ip_address /admin. The ASDM launch page will appear with options to install the ASDM launcher, run ASDM, or run the startup wizard. You can choose any of these options to start configuring the ASAv. You will need to enter a username and password to authenticate. By default, the username is blank and the password is blank. You can change these credentials later.
To access the CLI, you need to use an SSH or Telnet client and connect to the ASAv management IP address. You will need to enter a username and password to authenticate. By default, the username is blank and the password is blank. You can change these credentials later. After you log in, you will see the following prompt: asa>. To enter configuration mode, type enable and press Enter. You will see the following prompt: asa#.
How to configure basic settings for ASAv
Before you can configure advanced features for ASAv, you need to configure some basic settings, such as hostname, domain name, passwords, time zone, DNS servers, NTP servers, and interfaces. You can use either ASDM or CLI to configure these settings.
To configure basic settings using ASDM, you can use the startup wizard or the configuration menu. The startup wizard will guide you through a series of steps to configure essential settings for ASAv. The configuration menu will allow you to access different sections of the configuration and modify them as needed.
To configure basic settings using CLI, you can use either global configuration mode or setup mode. Global configuration mode allows you to enter commands that affect the entire system. Setup mode allows you to answer a series of questions that configure essential settings for ASAv.
How to configure hostname and domain name
The hostname is a name that identifies the ASAv on the network. The domain name is a name that identifies the network domain where the ASAv belongs. You can configure both using ASDM or CLI.
To configure hostname and domain name using ASDM, follow these steps:
In ASDM, choose Configuration > Device Management > Device Name/Password > Device Name.
In the Device Name field, enter a name for the ASAv.
Click Apply.
In ASDM, choose Configuration > Device Management > Management Access > DNS.
In the Domain Name field, enter a name for the network domain.
Click Apply.
To configure hostname and domain name using CLI, follow these steps:
In global configuration mode, enter the following command: hostname name
Replace name with a name for the ASAv.
In global configuration mode, enter the following command: domain-name name
Replace name with a name for the network domain.
How to configure passwords
Passwords are used to authenticate users and protect access to the ASAv. You can configure different types of passwords, such as enable password, console password, telnet password, and SSH password. You can configure passwords using ASDM or CLI.
To configure passwords using ASDM, follow these steps:
In ASDM, choose Configuration > Device Management > Device Name/Password > Passwords.
In the Passwords pane, enter the passwords for the following fields:
Enable PasswordThe password to enter privileged mode.
Console PasswordThe password to access the console port.
Telnet PasswordThe password to access the ASAv using Telnet.
SSH PasswordThe password to access the ASAv using SSH.
Click Apply.
To configure passwords using CLI, follow these steps:
In global configuration mode, enter the following command: enable password password
Replace password with a password to enter privileged mode.
In global configuration mode, enter the following command: passwd password
Replace password with a password to access the console port.
In global configuration mode, enter the following command: telnet password password
Replace password with a password to access the ASAv using Telnet.
In global configuration mode, enter the following command: username name password password
Replace name with a username and password with a password to access the ASAv using SSH.
How to configure time zone, DNS servers, and NTP servers
Time zone, DNS servers, and NTP servers are used to synchronize the ASAv clock and resolve hostnames on the network. You can configure these settings using ASDM or CLI.
To configure time zone, DNS servers, and NTP servers using ASDM, follow these steps:
In ASDM, choose Configuration > Device Management > System Time > Clock.
In the Time Zone drop-down list, select the time zone for the ASAv.
Click Apply.
In ASDM, choose Configuration > Device Management > Management Access > DNS.
In the DNS Client pane, check the Enable DNS lookups check box.
In the DNS Server Group pane, click Add.
In the Add DNS Server dialog box, enter the IP address of a DNS server and click OK.
Repeat step 7 for each DNS server you want to add.
Click Apply.
In ASDM, choose Configuration > Device Management > System Time > NTP.
In the NTP pane, check the Enable NTP check box.
In the NTP Server pane, click Add.
In the Add NTP Server dialog box, enter the IP address or hostname of an NTP server and click OK.
Repeat step 13 for each NTP server you want to add.
Click Apply.
To configure time zone, DNS servers, and NTP servers using CLI, follow these steps:
In global configuration mode, enter the following command: clock timezone zone hours [minutes]
Replace zone with the name of the time zone, hours with the number of hours offset from UTC, and minutes with the number of minutes offset from UTC (optional).
In global configuration mode, enter the following command: dns domain-lookup interface
Replace interface with the name of the interface where you want to enable DNS lookups.
In global configuration mode, enter the following command: dns server-group DefaultDNS
In dns server-group configuration mode, enter the following command: name-server ip_address
Replace ip_address with the IP address of a DNS server.
Repeat step 7 for each DNS server you want to add.
In global configuration mode, enter the following command: ntp server ip_address [prefer]
Replace ip_address with the IP address or hostname of an NTP server. You can use the prefer keyword to indicate that this server is preferred over others.
Repeat step 10 for each NTP server you want to add.
How to configure interfaces
Interfaces are the logical or physical connections that allow the ASAv to communicate with other devices on the network. You can configure different types of interfaces, such as management interface, inside interface, outside interface, and subinterface. You can configure interfaces using ASDM or CLI.
To configure interfaces using ASDM, follow these steps:
In ASDM, choose Configuration > Device Setup > Interfaces.
In the Interfaces pane, select an interface and click Edit.
In the Edit Interface dialog box, configure the following settings:
NameThe name of the interface.
Security LevelThe security level of the interface, from 0 (lowest) to 100 (highest).
IP AddressThe IP address and subnet mask of the interface.
VLAN IDThe VLAN ID of the interface, if applicable.
MTUThe maximum transmission unit of the interface.
Enable InterfaceThe check box to enable or disable the interface.
Click OK.
Repeat steps 2 to 4 for each interface you want to configure.
To configure interfaces using CLI, follow these steps:
In global configuration mode, enter the following command: interface type number
Replace type with the type of the interface, such as GigabitEthernet or Management. Replace number with the number of the interface, such as 0/0 or 1/1.
In interface configuration mode, enter the following commands:
nameif nameTo assign a name to the interface.
security-level levelTo assign a security level to the interface.
ip address ip_address subnet_mask [standby ip_address]To assign an IP address and subnet mask to the interface. You can also specify a standby IP address for failover.
vlan vlan_idTo assign a VLAN ID to the interface.
mtu bytesTo assign an MTU to the interface.
no shutdownTo enable the interface.
Repeat steps 2 to 4 for each interface you want to configure.
Conclusion
In this article, we have explained what asav9-12-2-9.qcow2 is and why you need it. We have also shown you how to download, install, and configure it on different virtualization platforms. By using ASAv, you can secure your virtualized environments with a powerful firewall and VPN solution that offers scalability, flexibility, and consistency. We hope you have found this article helpful and informative. If you have any questions or feedback, please feel free to contact us or leave a comment below.
FAQs
What is the difference between ASA and ASAv?
ASA is the physical appliance that runs Cisco's firewall software. ASAv is the virtualized version of ASA that runs on various virtualization platforms. Both ASA and ASAv offer similar security features and functionality, but ASAv has some advantages over ASA in terms of scalability, flexibility, and cost-effectiveness.
How do I upgrade ASAv?
To upgrade ASAv, you need to download a new qcow2 file from Cisco.com and replace the existing qcow2 file in your virtualization platform. You also need to update your license entitlement for ASAv if you are changing the license type or platform size. You can use ASDM or CLI to perform these tasks.
How do I backup and restore ASAv?
To backup ASAv, you need to copy the qcow2 file and the license file from your virtualization platform to a secure location. You also need to export your configuration file from ASDM or CLI. To restore ASAv, you need to copy the qcow2 file and the license file back to your virtualization platform and import your configuration file from ASDM or CLI.
How do I troubleshoot ASAv?
To troubleshoot ASAv, you can use various tools and commands from ASDM or CLI. Some of these tools and commands are:
Ping and tracerouteTo test connectivity between ASAv and other devices on the network.
Show commandsTo display information about ASAv status, configuration, statistics, logs, etc.
Debug commandsTo enable debugging messages for specific features or functions of ASAv.
Capture commandsTo capture packets on ASAv interfaces for analysis.
How do I integrate How do I integrate ASAv with other Cisco products?
ASAv can be integrated with other Cisco products to enhance its security capabilities and functionality. Some of these products are:
Cisco Firepower Threat Defense (FTD)A software module that combines the features of ASA and Firepower Services, such as intrusion prevention, advanced malware protection, URL filtering, etc. You can install FTD on ASAv and manage it using Firepower Management Center (FMC) or Firepower Device Manager (FDM).
Cisco Firepower Management Center (FMC)A centralized management console that allows you to configure, monitor, and analyze multiple ASAv and FTD devices. You can use FMC to create policies, rules, objects, reports, dashboards, etc. for your ASAv and FTD devices.
Cisco AnyConnect Secure Mobility Client (AnyConnect)A VPN client that allows you to connect to ASAv and access your network resources securely from any device. You can use AnyConnect to establish SSL or IPsec VPN connections to ASAv and use features such as posture assessment, network access control, web security, etc.
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