D-Link Forums
The Graveyard - Products No Longer Supported => Routers / COVR => DIR-655 => Topic started by: noordam on January 21, 2009, 05:45:51 PM
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I just purchased an A4 version 655. FW 1.21 DNS lookups are extremely slow, causing slow browsing. I tried to downgrade to FW 1.11 but router is not letting me. Can I not downgrade to 1.11?
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No you can't. That why I returned my A4 and found a A3. But my I suggest you try doing what funchords told me. I guess this router has some DNS problems "BUGS".
Did you accomplish it?
If not, then do the following:
1. Go to Setup - Network Settings and UNCHECK Enable DNS Relay, Save Settings but do not reboot.
2. Go to Status - Device Info and write down the IP Addresses under "WAN" for Primary DNS Server and Secondary DNS Server.
3. Go to Setup - Internet - Manual Internet Connection Setup and input the Primary DNS Server and Secondary DNS Server noted in the earlier step, Save Settings and reboot.
4. Restart your network devices so that they will obtain new DHCP leases.
Note: If any of your devices do not get their IP address assignment from the DIR-655, they will need to be manually configured to use the IP addresses you recorded in step 2 for DNS.
If this helps, it's because your network devices are directly using the DNS server addresses now instead of relaying queries through the buggy "DNS Relay" feature (http://forums.dlink.com/index.php?topic=2737.0) in the DIR-655. Steps 2 and 3 are necessary because of another bug (http://forums.dlink.com/index.php?topic=2737.msg16650#msg16650) where the reboot sequence timing might or might not result in DHCP clients not receiving any addresses at all for DNS (http://forums.dlink.com/index.php?topic=2737.msg16650#msg16650). Step 4 is often not necessary, but some network devices may not renew leases and get these changes if they fail to detect that the router has momentarily gone offline.