AEBS Loose IP on WAN side (dhcp)

Hi'
I Have an airport extreme base station, after I upgraded to 7.5.2 my WAN IP loses within a week or so, the wan side, uses dhcp
when I checks the wan ip, the address is a 169.254.x.x address, if I release/renew the interface, it still gets the 169.254 address.
after power cycle it works again, for ca. a week (I belive around the dhcp expire time)
After downgrade to 7.5.1 there are no problems, anyone got a clue ?
- I can read a-lot got LAN side problems, but it is realy a WAN side problem

Well there should not be any issues in assigning private wan ip address for BEFSR41 and WRK54G both, but you are facing issue in doing that for BEFSR41, try flashing latest available firmware on BEFSR41. You can get from www.linksys.com/download

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