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Release dhcp lease after forcing client to disconnect
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I configured a wifi access point based on OpenWRT to limit the number of clients to 4 at the same time. For that purpose I gave a limited number (4) IP addresses leaseable by DHCP. After a period of time (say one hour), I want to force clients to be disconnected and I change the password for wifi credential but I want to be sure that the leases are renewed for new clients and are not still active for the 4 previous mac addresses.
My first question is how to clear the existing leases to enable new client connections in my case? I suppose that deleting the dhcpd.leases file removes the information, but that file is not a kind of config file on which leases are granted or not.
Thanks.
wifi access-point openwrt dhcpd
edited Jun 21 '15 at 7:45
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asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
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bumped to the homepage by Community♦ 16 mins ago
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add a comment |
I configured a wifi access point based on OpenWRT to limit the number of clients to 4 at the same time. For that purpose I gave a limited number (4) IP addresses leaseable by DHCP. After a period of time (say one hour), I want to force clients to be disconnected and I change the password for wifi credential but I want to be sure that the leases are renewed for new clients and are not still active for the 4 previous mac addresses.
My first question is how to clear the existing leases to enable new client connections in my case? I suppose that deleting the dhcpd.leases file removes the information, but that file is not a kind of config file on which leases are granted or not.
Thanks.
wifi access-point openwrt dhcpd
edited Jun 21 '15 at 7:45
chicks
3,04272033
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I configured a wifi access point based on OpenWRT to limit the number of clients to 4 at the same time. For that purpose I gave a limited number (4) IP addresses leaseable by DHCP. After a period of time (say one hour), I want to force clients to be disconnected and I change the password for wifi credential but I want to be sure that the leases are renewed for new clients and are not still active for the 4 previous mac addresses.
My first question is how to clear the existing leases to enable new client connections in my case? I suppose that deleting the dhcpd.leases file removes the information, but that file is not a kind of config file on which leases are granted or not.
Thanks.
wifi access-point openwrt dhcpd
edited Jun 21 '15 at 7:45
chicks
3,04272033
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
I configured a wifi access point based on OpenWRT to limit the number of clients to 4 at the same time. For that purpose I gave a limited number (4) IP addresses leaseable by DHCP. After a period of time (say one hour), I want to force clients to be disconnected and I change the password for wifi credential but I want to be sure that the leases are renewed for new clients and are not still active for the 4 previous mac addresses.
My first question is how to clear the existing leases to enable new client connections in my case? I suppose that deleting the dhcpd.leases file removes the information, but that file is not a kind of config file on which leases are granted or not.
Thanks.
wifi access-point openwrt dhcpd
wifi access-point openwrt dhcpd
edited Jun 21 '15 at 7:45
chicks
3,04272033
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
edited Jun 21 '15 at 7:45
chicks
3,04272033
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
edited Jun 21 '15 at 7:45
chicks
3,04272033
edited Jun 21 '15 at 7:45
chicks
3,04272033
edited Jun 21 '15 at 7:45
chicks
3,04272033
3,04272033
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
asked Jun 20 '15 at 21:36
AtoM_84AtoM_84
114
114
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
It may be possible to use the OMAPI Command Shell (omshell) to modify the end time of the current lease as described in this thread.
(If this works then if you can provide the whole omshell script then we can flesh out this answer.)
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
add a comment |
doesn't restarting dnsmasq flush the leases?
If you're changing the wifi password anyway, just change that password and reboot the unit.
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
add a comment |
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2 Answers
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active
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2 Answers
2
active
oldest
votes
active
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votes
It may be possible to use the OMAPI Command Shell (omshell) to modify the end time of the current lease as described in this thread.
(If this works then if you can provide the whole omshell script then we can flesh out this answer.)
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
add a comment |
It may be possible to use the OMAPI Command Shell (omshell) to modify the end time of the current lease as described in this thread.
(If this works then if you can provide the whole omshell script then we can flesh out this answer.)
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
add a comment |
It may be possible to use the OMAPI Command Shell (omshell) to modify the end time of the current lease as described in this thread.
(If this works then if you can provide the whole omshell script then we can flesh out this answer.)
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
It may be possible to use the OMAPI Command Shell (omshell) to modify the end time of the current lease as described in this thread.
(If this works then if you can provide the whole omshell script then we can flesh out this answer.)
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
answered Jun 21 '15 at 20:27
Terry BurtonTerry Burton
1458
1458
add a comment |
add a comment |
doesn't restarting dnsmasq flush the leases?
If you're changing the wifi password anyway, just change that password and reboot the unit.
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
add a comment |
doesn't restarting dnsmasq flush the leases?
If you're changing the wifi password anyway, just change that password and reboot the unit.
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
add a comment |
doesn't restarting dnsmasq flush the leases?
If you're changing the wifi password anyway, just change that password and reboot the unit.
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
doesn't restarting dnsmasq flush the leases?
If you're changing the wifi password anyway, just change that password and reboot the unit.
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
answered Aug 28 '15 at 23:57
user2066657user2066657
270110
270110
add a comment |
add a comment |
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