ASA Clustering is a high-availability and scalability solution that enables multiple Cisco ASA firewalls to operate as a single logical unit, providing increased throughput, load balancing, and redundancy. This technology is essential for large-scale enterprises and data centers that require seamless failover and high-performance security.
Unlike traditional active/passive failover, ASA Clustering allows active/active traffic distribution, meaning multiple firewalls actively process traffic simultaneously. The cluster operates with a cluster control link (CCL) to synchronize state information and distribute connections dynamically, ensuring minimal disruption in case of a failure. With support for both routed and transparent firewall modes, ASA Clustering enhances security posture while maintaining operational efficiency.
This technology is widely used in mission-critical environments where uptime, scalability, and resilience are paramount.
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The default username and password for images used in this course is as follows, however you will hear new passwords during the course if the instructor changes the credentials:
Image name | Username | Password |
IOL images | No username | No password |
CSR1000v | Admin | Admin |
C8000v | Admin | admin |
Viptela devices | Admin | admin |
Windows Server | Administrator | Test123 |
IOS-XR | Admin | Enter new password |
Cisco ASA 802 | no username | no passwd, hit enter |
Cisco ASA 8.4.2, 9.1.5 | no username | no passwd, hit enter |
Cisco ASAv | no username | no passwd, hit enter |
Cisco IPS | cisco | ciscoips123 |
Cisco WSA | admin | ironport |
Cisco ESA | admin | ironport |
Cisco WAAS | admin | default |
Cisco XR9K | Cisco | Cisco |
Cisco NX9K | admin | admin |