ATCOM 5520 User Manual page 39

Lease Table Name: Lease table name.
Lease Time: DHCP server lease time.
Start IP: Start IP of lease table.
End IP: End IP of lease table. Network device connecting to the 5520 LAN
port can dynamic obtain the IP in the range between start IP and end IP.
Net mask: Net mask of lease table.
Gateway: Default gateway of lease table.
DNS: default DNS server of lease table.
Press "add" to apply, will added DHCP lease table.
o
Lease Table Name: Select name of lease table, click the
will delete the selected lease table from DHCP lease table.
DNS Relay: Select DNS Relay, the default is enable. Click the Apply
o
button to become effective.
DHCP Lease Table: Shows the DHCP Lease Table， the unit of Lease
o
time is Minute.
1）The size of lease table cannot be larger than the quantity of C network IP
address. We recommend you to use the default lease table and not modify
it.
2）If you modifies the DHCP lease table, you need save the configuration
and reboot.
NAT is abbreviated from Net Address Translation; it's a protocol responsible for IP
address translation. In other word, it is responsible for transforming IP and port of
private network to public, also is the IP address mapping which we usually say.
button
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