4 # interface to use for DHCP
7 ifname
=$
(nvram get
${iface}_ifname
)
8 ipaddr
=$
(nvram get
${iface}_ipaddr
)
9 netmask
=$
(nvram get
${iface}_netmask
)
12 # check for existing DHCP server
13 udhcpc
-n -q -R -s /dev
/zero
-i $ifname >&- ||
{
15 ipaddr
=$
(ip2int
$ipaddr)
16 netmask
=$
(ip2int
${netmask:-255.255.255.0})
17 network
=$
((ipaddr
&netmask
))
19 start
=$
(nvram get dhcp_start
)
20 start
=$
((network
+${start:-100}))
21 end
=$
(nvram get dhcp_num
)
22 end
=$
((start
+${end:-150}))
24 args
="-l /tmp/dhcp.leases -K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h"
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