Package: isc-dhcp-server Version: 4.1.1-P1-12 I have shared networks with fixed and dynamic ip ranges within the same shared network. Set "deny unknown-clients" in static pool and "deny known-clients" in dynamic pool. But if a client has dynamic ip and later set a fixed address within the same shared-network, sometimes dhcp server give him again a dynamic ip, not the static.
shared-network "net2" { subnet 182.16.20.128 netmask 255.255.255.192 { pool { range 182.16.20.129 182.16.20.189; deny unknown-clients; } authoritative; option broadcast-address 182.16.20.191; option routers 182.16.20.190; } subnet 192.168.120.128 netmask 255.255.255.192 { pool { range 192.168.120.129 192.168.120.189; deny known-clients; } authoritative; deny duplicates; option broadcast-address 192.168.120.191; option routers 192.168.120.190; } } host 182.16.20.161 { hardware ethernet 00:1c:23:aa:91:b2; fixed-address 182.16.20.161; } host 182.16.20.162 { hardware ethernet 00:19:66:79:30:65; fixed-address 182.16.20.162; } host 182.16.20.163 { hardware ethernet 00:23:54:3e:81:cb; fixed-address 182.16.20.163; } host 182.16.20.164 { hardware ethernet 00:1c:25:94:15:cf; fixed-address 182.16.20.164; }
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