ARP entries are stored in cache on a first-in, first-out basis. Ordinarily, ARP table entries are flushed after two minutes; however, if a new ARP packet is received with newer information that conflicts with an existing cache entry, the outdated entry is immediately overwritten with the new information.
Dig Deeper on Windows client management
Related Q&A from Laura Hunter
Active Directory expert Laura E. Hunter explains to a reader what must be done to change the default display specifiers for new users in Active ... Continue Reading
Active Directory expert Laura E. Hunter tells a reader what to keep in mind when deleting subnets associated with sites being removed in an ... Continue Reading
Active Directory expert Laura E. Hunter offers some advice for changing the IP addresses of domain controllers. Continue Reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.