Virtual ip address
A virtual IP address is a logical network address representing a service or routing endpoint independently of a particular physical host or interface.
Google Anthos in Action
A virtual IP address is a logical network address that can be assigned to a service or endpoint independently of a particular physical interface or host.
- How it is used
- Provides stable Service and cluster endpoint addresses in Anthos networking and bare-metal load-balancer planning.
- How deep it goes
- Details VIP reservation, backend mapping, ports, and bundled-versus-manual preparation; explains ClusterIP behavior without tracing packet internals.
- Examples
- Uses control-plane and Ingress backend mappings, a LoadBalancer Service manifest, and a bundled-versus-manual preparation table.
- What you can do after
- Operate/configure VIPs by reserving addresses and matching manual load-balancer backends to cluster endpoints.
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Acing the CCNA Exam: Volume 1 Fundamentals and Protocols
A virtual IP address is a shared logical IP address presented by a first-hop redundancy group as the default gateway for end hosts.
- How it is used
- Provides a stable LAN default gateway while FHRP routers handle redundancy and failover.
- How deep it goes
- Explains VIP behavior through active and standby roles, ARP, virtual MAC addresses, failover, GARP, and HSRP configuration.
- Examples
- Uses R1/R2 failure scenarios, HSRP Cisco IOS commands, verification output, and GLBP per-host load balancing.
- What you can do after
- Operate/configure Cisco HSRP with a shared VIP, selected active router, standby router, priority, preemption, and verification commands.
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Related concepts
- first hop redundancy protocolused by · A first-hop redundancy protocol provides hosts with resilient default-gateway service through a virtual gateway backed by multiple routers.
- serviceused by · A Kubernetes Service is an API resource that provides stable network access and service discovery for a changing set of Pods or other specified destinations.
- default gatewayconfigures · A default gateway is the router or forwarding path to which a host sends traffic destined for networks absent from its routing table.
- load balancerconfigured by · A load balancer is a hardware or software component that distributes incoming network traffic or requests among multiple destinations, such as servers or service instances.
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