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D-Link DIR-6xx: Repeater Bridge (Step-by-step guide)

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This guide will teach how to properly install a D-Link router of the DIR-6xx series as a Repeater Bridge (to expand the wi-fi signal).

Step-by-step guideEdit

This guide was written while using a DIR-615 D2, and also a DIR-600 before, so this guide should apply to the 600 too.

router A = router connected to internet, with wireless capability – router B = DD-WRT installed router

Recommended browsers: Opera, Firefox or Chrome

Setting up router AEdit

  1. Check the IP of router A by connecting to it by a cable (not wi-fi)
    It can be something like 192.168.0.1 or 192.168.1.254; this guide will be presume it's the latter.
    Connect to it by going to http://192.168.1.254.
  2. Check the range of DHCP, it can be 192.168.1.100 to 192.168.1.199 (max 100 clients). The reason this is checked is so that you can avoid this range when setting a static IP to your laptop/computer later.
  3. Disable wireless security on router A (this will be re-enabled later)
  4. Ensure SSID is not hidden/SSID broadcast is enabled.
  5. Give the laptop/computer a static IP of (for example) 192.168.1.99, with Gateway and DNS set to 192.168.1.254.

Setting up router BEdit

  1. Now connect the laptop/computer to router B instead
  2. Ensure everything is reset to default. For the DIR-615 it's suggested once it's turned on and booted up, to hold down the reset button for 5-7 seconds. This will also default the router to 192.168.1.1 with the DD-WRT firmware installed.
    Note: there's no need for a 30/30/30 reset.
  3. Change router B to an IP of 192.168.1.253, Gateway and Local DNS to 192.168.1.254 and apply.
  4. Login to router B again at the new IP (http://192.168.1.253).

Checking if router B sees router AEdit

Before setting up the repeater bridge, it's advisable to check if router B "sees" router A.

  1. Go to Status / Wireless, down the bottom of the screen you will see a button labelled "Site Survey". Click it, wait, and you should see the SSID and channel number for router A, along with a bunch of random neighbours.

Creating the repeater bridgeEdit

  1. Start setting up your (soon to be) repeater bridge by going in the Basic tab:
    - WAN, Connection type: Disable
    - Router name: whatever you want
    - Local IP: 192.168.1.253
    - Subnet: 255.255.255.0
    - Gateway 192.168.1.254
    - Local DNS: 192.168.1.254
    - Assign WAN Port to Switch: ☒ (tick this)
    - Time settings: optional
  2. Disable everything related to DHCP
  3. Click 'Save' only - the settings will be applied late.
  4. Go to the Wireless/Basic Settings tab
    - Wireless Mode: Repeater Bridge
    - Wireless Network Mode: Mixed (if both routers handle b,g,n [802.11])
    - SSID: must be the SAME as router A
    - Channel: must be the SAME as router A
    - Channel Width: 20 MHz
    - SSID Broadcast: Enabled (disable later if you want)
    - Network Configuration: Bridged
  5. Save this
  6. Go next to Wireless / Wireless Security and set the Security Mode to 'Disabled' (it will be enabled later on both routers) and save
  7. Go to Services / Services and disable 'DNSMasq', then save
  8. Go to Security/Firewall and first uncheck everything except 'Filter Multicast', then set the SPI Firewell to 'Disabled'. Save it.
  9. Go to Setup / Advanced Routing: set the Operating Mode to 'Router' and the Interface to 'LAN & WLAN'.
  10. Go to Administration / Management and at the bottom of page click on Apply Settings.


The endEdit

That's it, you should now be able to connect to router A and the Internet, from router B, without a cable.

If you want to connect to router B over wi-fi, you will have to add a Virtual Interface, which is done easily in the Wireless tab.

You can now re-apply security to router A, then router B. You might need to power down router B once or twice for it to sync up correctly. It's also possible to hide both SSIDs now.

Remember: most people leave their router's IP at default. So router A would be 192.168.1.1, router B would be 192.168.1.2, and the PCs would either use DHCP or start at, for example, 192.168.1.3.

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