TL-R470T+ v4.0 - DHCP send DHCP-DISCOVERY timeout

TL-R470T+ v4.0 - DHCP send DHCP-DISCOVERY timeout
TL-R470T+ v4.0 - DHCP send DHCP-DISCOVERY timeout
2015-11-25 02:06:01
Model :

Hardware Version : Not Clear

Firmware Version :

ISP :

Hello ,
I have TL-R470T+ v4.0 and I want to use Link Backup option on these router . So I have two ISPs : A and B .
ISP A is optic and static , so there is no problems , but my second ISP B is on DHCP and I cannot receive IP settings.
On WAN1 port is directly conneted cable from ISP A with static IP . On WAN2 we have Cisco
EPC2202 VoIP Cable Modem ISP B with dinamic IP .
So am I need some advanced configurations to do for this Cisco modem on my TP-Link ?
Cisco modem use only DHCP !


These are tests I allready done on Tp-Link.
1. Try to connect Cisco modem on every one WAN port on Tp-Link
2 Try to change my MAC adress
3. Try to disable firewall on Tp-Link
4. Try with diffrend cables
5. Try with "
Use the following DNS Server"


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Re:TL-R470T+ v4.0 - DHCP send DHCP-DISCOVERY timeout
2015-12-24 17:41:03
Hi Velinpetrow, if the Cisco EPC2202 is only a Modem, I think you just connect it to the R470T+ directly and then choose the Dynamic IP in the R470T+. But as you have two lines, you should configure as least two WAN ports in R470T+. If you are not familar with EPC2202, why not contact the Cisco supporter for help?
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