Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
Select a letter or use the search box to look up a term.
Virtual address mapping (NAT over IPSec)
Virtual address mapping (NAT over IPSec) changes the source IP addresses of packets from local devices to logical IP addresses before sending them through the VPN tunnel. Virtual address mapping allows local and remote networks to have overlapping IP addresses.