If you want to distribute IPv4 addresses to known clients only (static leases), use: . uci set dhcp.lan.dynamicdhcp= "0" uci commit dhcp / etc / init.d / dnsmasq restart. With this, dnsmasq will consider static leases defined in “config host” blocks and in /etc/ethers, and refuse to hand out any IPv4 address to unknown clients.

What are the possible issues in using very short DHCP Matching the DHCP lease times with the connection limit of your AP doesn't strike me as the best way of handling the issue. The two don't have to match. Lower the DHCP lease time to something like twice the length of the demo (completely arbitrary suggestion) and expand your DHCP scope to accommodate as many leases as you think you'll have in a How to change DHCP lease time in Windows 8? DHCP lease time is the maximum amount of time for which a device can hold a dynamic IP address, assigned by DHCP server. Every Internet service provider sets a DHCP lease time and by default it can be anything 1 hour, 6 hours, 12 hours or 24 hours.

If you want to distribute IPv4 addresses to known clients only (static leases), use: . uci set dhcp.lan.dynamicdhcp= "0" uci commit dhcp / etc / init.d / dnsmasq restart. With this, dnsmasq will consider static leases defined in “config host” blocks and in /etc/ethers, and refuse to hand out any IPv4 address to unknown clients.

If you want to distribute IPv4 addresses to known clients only (static leases), use: . uci set dhcp.lan.dynamicdhcp= "0" uci commit dhcp / etc / init.d / dnsmasq restart. With this, dnsmasq will consider static leases defined in “config host” blocks and in /etc/ethers, and refuse to hand out any IPv4 address to unknown clients.

Jul 23, 2020 · If allow-lease-time-override is not enabled for any applicable policy, the server ignores the dhcp-lease-time request in the incoming packet and uses the server setting. If your import file specifies a DNS zone name, the server does not use the zone name when it updates the DNS.

*All; be advised that if you are using a home networking router, you will see the LAN lease length that is being provided by the router's built in DHCP server and not the WAN lease length being Configure an IPv4 DHCP Server - WatchGuard To change the default lease time for addresses in the DHCP address pool, select a different option in the Lease Time drop-down list. This is the time interval that a DHCP client can use an IP address that it receives from the DHCP server. When the lease time is about to expire, the client sends data to the DHCP server to get a new lease. DHCP Local Server - TechLibrary - Juniper Networks