August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Advertisement interval timer
The master router in a VRRP group periodically sends advertisements on an interval established by the advertisement interval timer to inform other routers in the group that it is operating properly. If a backup router does not receive advertisements in a period of three times the interval, the backup regards itself as the master and sends VRRP advertisements to start a new master election process. Neutron routers in a master state are configured to send advertisements every two seconds.
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