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Author Topic: Constant blinking network light  (Read 6248 times)


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Constant blinking network light
« on: November 17, 2009, 11:40:04 AM »

I have a DIR-655 and the network blue led is constantly blinking.
BUT on my Comcast MTA (Docsis 2.0 and I have phone/dig cable/internet) the LINK light is constantly blinking too. So I would think I am getting it from the MTA/modem.
Does anyone else 'seem' to have this problem or does anyone think my DIR-655 is finally taking a crap.
Below is the device information on the DIR-655.
I have NOT upgraded the firmware from 1.21 because I read online not just here but around of the problems people have with the "new" firmware upgrades and I don't want to brick my router. I just reboot it about every 4-5 days because of the dropped packets on the wireless. I up'd my Dell Inspirion to a mini-PCI 300Mbps card like a year ago. This annoyance I can deal with. I got 1 pc XP, 1 wired iMac, 1 wireless iMac, wireless iMac Macbook and my Dell laptop XP. Don't see a need to up to Win 7 either as my pc's will not be able to give me the "whole" experience with Win 7, and I like XP.
NOT that this is causing a problem, just want any FYI anyone can give.

Firmware Version: 1.21
Hardware Version: A1/A2
Product Page: DIR-655
Time : Tuesday, November 17, 2009 2:26:32 PM
Firmware Version : 1.21,  2008/11/13
Connection Type : DHCP Client
QoS Engine : Active
Cable Status : Connected
DNS Status : Online
Network Status : Established
Connection Up Time : 0 Day 4 Hour 06 Min 11 Sec
MAC Address : 00:19:5B:60:xx:xx
Authentication & Security : 
IP Address : 98.254.xxx.xxx
Subnet Mask : 255.255.xxx.xxx
Default Gateway : 98.254.xxx.xxx
Primary DNS Server : 68.87.xxx.xxx
Secondary DNS Server : 68.87.xxx.xxx
MAC Address : 00:19:5B:60:xx:xx
IP Address :
Subnet Mask :
Auto IP Address:
Default Gateway :
Primary DNS Server :
Secondary DNS Server :
DHCP Server : Enabled
Wireless LAN
Wireless Radio : Enabled
802.11 Mode : Mixed 802.11n and 802.11g
Channel Width : 40MHz
Channel : 9
Secondary Channel : 5
WISH : Active
Wi-Fi Protected Setup : Disabled
Guest Wi-Fi Protected Setup : Disabled
Network Name (SSID)       Guest       MAC Address       Security Mode
Wi-Fi Router          No       00:19:5b:60:xx:xx    WPA Only - Personal
LAN Computers
IP Address   Name (if any)      MAC   dlink-583FE1      00:21:91:58:3f:e1   DESKTOP         00:1b:21:30:3a:6c   iMAC-Desktop-3      00:16:cb:8f:58:bd   LAPTOP         00:1a:4d:29:36:99
IGMP Multicast memberships
Multicast Group Address
Helpful Hints...
All of your WAN and LAN connection details are displayed here.
Copyright 2004-2008 D-Link Systems, Inc.


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Re: Constant blinking network light
« Reply #1 on: November 17, 2009, 11:46:48 AM »

The second LED from the left is supposed to blink if that is the one you are referring to.


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Re: Constant blinking network light
« Reply #2 on: November 17, 2009, 02:21:13 PM »

Any other issues besides that? Connnectivity failures? There's supposed to be a LED blinking,just like KevTech says.
DIR-655 H/W: A2 FW: 1.33


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Re: Constant blinking network light
« Reply #3 on: November 18, 2009, 05:14:35 AM »

No, no other connectivity issues. I know the light should blink but it has become rapid in blinking even when the computers are all off.
Just found a post in dslreports.com about this also.
so I guess it's just a normal thing now...
never really had this until about a month ago. Light would be on/off/on/off but not such a fast pace.


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Re: Constant blinking network light
« Reply #4 on: November 18, 2009, 10:50:16 AM »

If you still have concerns; do not allow WAN ping respond. Disable UPnP. Make sure Remote Management is disabled. Setup the QoS measurement to a value manually. Let us know if you still have WAN activity. Though it's really not something to worry about.


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Re: Constant blinking network light
« Reply #5 on: November 21, 2009, 04:45:17 PM »

Before you change anything in your settings because you are concerned about a blinking light.... does it all work? If so then I would leave well alone and not start playing with settings. Especially not your UpnP settings - that's going to add more problems than you solve by a remote chance you might stop a light blinking.

Disabling WLAN ping I would agree with, but it is disabled by default and unless you changed it that won't be a problem I hope.