#18680: Unable to get WAN address
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 Reporter:  clauded1  |      Owner:  developers
     Type:  defect    |     Status:  new
 Priority:  normal    |  Milestone:
Component:  packages  |    Version:  Trunk
 Keywords:            |
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 I'm running OpenWrt Chaos Calmer r43814 (compiled from source) on a TP-
 Link Archer C7 v2 with the default configuration. When booting the router,
 it doesn't get it's ip address from the cable modem.

 If I physically unplug and plug back the ethernet cable of the wan port
 then the router gets it's IPv4 address.

 I tried different things but I always have the problem:

 -shutting down the cable modem for several hours
 -masquarading the MAC address using my old router MAC
 -enabling DOCSIS 3 (broadcast)

 Running manually 'udhcpc -p /var/run/udhcpc-eth0.pid -s
 /lib/netifd/dhcp.script -f -t 0 -i eth0 -C' returns 'Sending discover...'
 but never obtain an ip address.

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Ticket URL: <https://dev.openwrt.org/ticket/18680>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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