I followed the instructions below to setup my gateway into bridge mode using IP passthrough however once I do this youtube videos either fail to load or load very slowly. This only occurs when connected to the wireless router which is a cisco E4200 setup as DHCP and connected to the gateway through the WAN port. If i switch over to the NVG589 youtube videos load at the expected rate without any issues. Doing a speedtest on the cisco router reveals full bandwidth, I'm a little puzzled by this and im hoping someone here could help.
Other Notes:
I'm trying to use the cisco router because it offers extended wireless range, also plugging the laptop directly to the cisco router via Ethernet shows the same problem.
http://www.dslreports.com/faq/17734
1. Log into the NVG589's web-based configuration interface in your web browser.
2. Go to "Home Network" -> "Subnets & DHCP". It may ask for your NVG589's password.
3. If your "Device IPv4 Address" is in the same subnet as your personal router, change it to something else like 192.168.10.254. The subnet mask stays the same, 255.255.255.0.
4. Change the "DHCPv4 Start Address" to 192.168.10.1.
5. Change the "DHCPv4 End Address" to 192.168.10.10. We need a few NVG589 LAN side IP addresses for an WAP extenders for Wireless STBs and the Television STBs. The television STBs can't be connected to your personal router. It is important that you have only your computer that's configuring the NVG589 connected to it at this time.
6. Click "Save" at the bottom.
7. Go to "Home Network" -> "Wireless".
8. Disable Wireless by choosing "Off" in the "Wireless Operation" option.
9. Go to "Firewall" -> "Packet Filter". Click on the "Disable Packet Filters" button.
10. Go to "Firewall" -> "NAT/Gaming" and disable any and all settings.
11. Go to "Firewall" -> "IP Passthrough". Select "Passthrough" in the "Allocation Mode" option.
12. Type in 192.168.10.1 for the "Default Server Internal Address".
13. In the "Passthrough Mode" selection choose "DHCPS-Fixed".
14. Type in the WAN-side MAC Address for your router under "Manual Entry", lowercase is fine.
15. Click "Save" at the bottom. It will tell you that it needs to reboot, don't do this yet.
16. Go to "Firewall Advanced" at the top and turn everything off.
17. Near the top of your screen, you should see an option telling you to reboot the router. Go ahead and do this now. It takes about 2 minutes.
Now for your settings for your personal router.
1. Unplug your laptop and plug in your personal router while the NVG589 reboots.
2. Plug your laptop into your personal router and login to it.
3. Log into your personal router and change the Internet connection type to DHCP as per your router's instructions.
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