On 1.8.1 now and this is still a problem.
<wan>
<if>bge0</if>
<media/>
<mediaopt/>
<spoofmac/>
<aiccu>
<username>DKI4-SIXXS</username>
<password>xxxxxxxx</password>
<tunnelid>T21107</tunnelid>
</aiccu>
<v6duid/>
<ipaddr>85.227.8.134</ipaddr>
<subnet>25</subnet>
<gateway>85.227.8.129</gateway>
<ipaddr6>aiccu</ipaddr6>
</wan>