August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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VRRP groups
With VRRP, a group of routers can be configured to act as a single virtual router. Routers in the VRRP group elect a master to act as the active gateway device, and hosts in the network only need to configure the virtual router address as their default network gateway or next hop address. When a failover occurs, another router in the group will take over routing duties while the configuration of hosts in the network never changes.
A VRRP virtual router should not be confused with a Neutron virtual router. The former represents a logical entity, while the latter actually exists as a virtualized routing device, typically implemented as a network namespace.
In the following diagram, Router A, Router B, and Router C form a single ...
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