Cisco Switches :: Linksys SPS208 After Reboot Don't See The Link
Mar 10, 2012
I have a problem with switches SPS208G2. They're conected with SFP module after Linksys SPS224G4 and another swithes. After reboot switches which are conected with SPS208G2 don't see link. However previous switches phisical link status is up show LED, but protocol status is down show command "show interface status". I changed Firmware, it doesn't work, i changed SFP module it doesn't work. Yesterday i got new Firmware ls_sps2xx_bx-10600.ros but no luck. I don't understand what's wrong with switches SPS208G2. I have 500 or 700 switches SPS208G2. They installed different places at city. They don't ping until reboot their or previous switches. Reboot previous switches usually doesn't work, works only physical reboot or pulling SFP module.
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Jun 20, 2012
My company uses the SG 300-10 and SF 300-08 switches to deliver services to our customers. We have been using the upgraded firmware version 1.1.2.0. Our normal procedure is to configure the switches in house and upgrade the firmware before sending them out to the customers. The configurations are confirmed in house after the new firmware has been loaded. Recently we have had several of these switches lose the Vlan configuration that we setup. These incidents have occurred after power outages and scheduled reboots. We do not generally have to reboot our customer switches.
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Apr 4, 2013
We have several SF-300-48P switches, eveytime there is a power failure the switches need to reboot 2 or 3 times before they are able to route packets again.
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May 3, 2011
I have a couple of SF300-24 switches. When I made needed configurations using CLI or GUI and then saved all configurations. The problem is that switches do not save configurations after reboot.
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Aug 9, 2011
My SG300-52 is struck in reboot loop after i set tcp congestion avoidance in webui.
********************************************
Boot1 Checksum Test...............................PASS
Boot2 Checksum Test...............................PASS
Flash Image Validation Test.......................PASS
[code]....
i've tried flashing new firmware via xmodem but still have problem.
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Aug 26, 2012
I have a Synology NAS that is connected to several IP Cameras through a SG300 switch. From time to time the IP cameras become "disconnected" at random When I reboot the switch, the access to cameras is re-established.
Problems: it requires an external device to reboot the switchall ports are shutdown while rebooting the switch
Q1 Is there a way to program the SG300 to reboot itself automatically every X hours?
Q2 Is there a way to automate the following process on the SG300 switch itself. ping a camera every 1 minutesafter three unresponsive ping, shutdown and restart the port to which the camera is connected
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Mar 9, 2013
Cisco SG200-26 (not PoE model). After a power failure, at restart the switch seems unable to reboot. The power led starts blinking in green, after some seconds the connected ports start blinking as well, but the the switch reboots automatically after few more seconds.I tried to disconnect lan cables, power cord, and reset to factory by pressing and holding down the proper button for 30s and more, but no success.In the small amount of time the switch's ports seem to be powered up, clients don't receive packets, don't ping each other or the switch manage address.
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Nov 15, 2011
We have 3 sf-300 series switches in Layer3 mode deployed in different offices. We have found that approximately every 2-3 months at all 3 locations users experience a serious reduction in bandwidth. Only after rebooting the cisco does the problem go away and we're okay for another few months. some setting/feature that may be contributing to this? We are only using several ports and 1 static route on each switch. We are not using any of the bells and whistles on the switch. 2 of the switches are using the original firmware, whereas the other is using the newest firmware. Maybe this is just what we should expect from a Small Business switch?
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Aug 31, 2012
I have two Cisco SG300-20 switches. Both of them are configured in L3 mode. They have several VLAN's configured.
When I reboot my switches some VLAN membership settings are lost! I have already saved the settings over and over before rebooting, and even tried to save it to the backup memory and so on. Say for example I have changed port 9 to 14 from VLAN 101 to VLAN 105. I save the configuration, reboot the switch. And then the changes are lost. This is a big problem, because servers and my iSCSI network loose connectivity. They already have the latest firmware. This issue was there three firmwares before.
This issue pop-ups when I have a power loss, or I need to reboot/shutdown them manually. It may be off-topic but I also have the feeling that the performance of the switches goes down during uptime. A reboot solves the performance issue. I don't have a performance benchmark, but I can notice it on the performance transfer rate between clients and servers.
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Dec 4, 2011
Running the newest firmware available
$ show version
SW version 1.1.2.0 ( date 12-Nov-2011 time 23:34:26 )
Boot version 1.0.0.4 ( date 08-Apr-2010 time 16:37:57 )
HW version V01
This is how I can cause the reboot to happen every time.
$ show lldp neighbors GE 10
Device ID: <mac address>
Port ID: 22
Capabilities: Bridge
[Code]....
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Mar 12, 2012
I have an SG300-52 gigabit switch that has been constantly rebooting and is effectively unusable.This started after Enabling TCP Congestion Avoidance, specifically:
-Turned on TCP CA
-Saved Running Config -> Startup Config
-Rebooted Switch
Since then the switch has been rebooting roughly every half a minute, and the management (HTTP) interface is inaccessible. In addition the factory reset (i.e. reset button for greater than 10 seconds) does not make a difference. I suspect that there is some bug with TCP CA that causes the switch to fail to start up, and that factory reset has failed to clear the startup config.
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May 4, 2010
I have a DIR-601 and I'm trying to play the IOQuake3 game Urban Terror (UT). Every time I try to get a list of servers the DIR-601 stops and reboots.What is that? Flood protection? Something else?
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Jan 31, 2010
is there a way how to reboot DIR 615 using some kind of script?From time to time I need to reboot the router
I also have Dlink DNS 323 and somebody discovered a way how to shutdown it down using Wget:
[code]...
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Sep 10, 2012
Can I schedule a weekly reboot with this router?
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Nov 21, 2012
i have a DIR-615 Rev C1, firmware 3.13.
After a reboot my password doesn't work anymore (wich is normal I guess) and all default passwords dont either. Such as ''Password'' or ''Admin''.
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Jan 22, 2013
I have multiple computers on my network as well as cell phones logging in as wifi. At least once a day I have trouble or another computer has trouble getting on line through my network. I have to unplug my router and replug. Its as if it doesn't recognize the ip address until reboot.
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Aug 21, 2011
I recently installed a tp-link router everthing works ok. The problem is when I turn off my pc and disconnect it and all attached devices (modem, router ect) from the electric supply. When I turn it back on I have no internet connection until I reboot the pc a second time.This problem only occurs when I disconnect the router from the electric supply. If I just shut down without disconnecting then I can turn it on and it connects to the internet without any problem.
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May 23, 2012
I just recently setup a network in my home and selected the D-Link DIR-655 router to manage traffic. It's not clear to me when this issue first appeared as I've been away so apologies for not having a proper timeline.The router is setup in it's default configuration with only the IP Address being changed due to a conflict with my DSL modem. I don't have any experience with routers and it seemed to be working fine so I didn't mess with it.However, the router goes into what appears to be an endless series of reboots making it completely unusable. This can occur anywhere from immediately upon a cold start power to a few hours into it.I suspected a defective router and since I had been traveling the warranty was of no use so I purchased a brand new router last week which is also a DIR-655. The new router is doing exactly the same thing as the original one.
If I disable the wireless functionality both routers perform flawlessly for extended periods (many days/weeks). As soon as I enable wireless what appears to be warm start reboots begin as mentioned anywhere from immediately to a few hours along.Since I am new to networking in general and routers in particular I thought perhaps am I doing something wrong and hence my post here.The f/w in the new router is 204NA. I don't recall the f/w release of the initial router but I did update it within the last month to whatever was the most current from D-Link. If it's important to know the f/w release of the initial router I will find it for you.
Two (2) DIR 655 routers appear to enter a state of perpetual warm start reboots whenever wireless functionality is enabled. This begins anywhere from immediately to a few hours after a router cold start.Disabling the wireless functionality completely stabilizes both routers.
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Sep 29, 2011
I just installed two FPS games.. My router reboot every time those game search for servers list. ( So i can't actually play those games) I have a dir-601 n-150 dlink router. I have successfully played online with another connection. I tried opening some ports, but it didn't work. The firmware is up to date.
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Mar 1, 2012
A few weeks ago I noticed that at 9:00am sharp every morning my internet access dropped, and would come back up four minutes later.
The router is connected to a DSL-526B in bridge mode. My first thought was that the modem was playing up, so I factory reset it and reconfigured it.
I checked my ACLS and didn't see any rules that started or ended at 9:00 am so I just lived with it for a week or so until it got so annoying I contacted my ISP to see if they were resetting anything at 9am.
By accident, I saw that my wireless radio was being enabled aat 9:00am, as it had been for the last 2 years, when I first bought the router. But this problem has only started a few weeks ago.
So I changed the wireless schedule to see if that was really the cause for the reset, and sure enough, whatever time I changed the wireless schedule to, the router rebooted at that time.
I've also factory reset the router; twice; the first time I saved/restored my configuration, the second time I recreated all configuration from scratch.
why enabling the wireless radio resets the router, and why disabling it doesn't, and how to correct this behaviour?
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Oct 17, 2010
Any way to schedule a reboot of a DCS2102?I've got 3 of them here, and they are very good but every now and then they seem to stop writing to the storage. They haven't frozen cause I can still connect to them via a browser
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Jan 5, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.12.21 Build 120523 Rel.37880n
ISP : Ownit
I am having problems with my TL-MR3420 router, it disconnects WIFI all the time. This occur several times a day and is very annoying.
I have quite recently upgraded to the latest firmware but the problem seem not to have been resolved. It also seem that it is mostly the WIFI service that is the problem. The usage of wired routing is working even when the WIFI is disabled.
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Jan 8, 2012
I had to reset and reboot. I entered the router ISP and went through the 4 step process then rebooted.
My question/problem is now the router is wide open. How do I find page where I can enable the security settings and lock down the router to the outside world?
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Aug 3, 2009
Have 13 DCS-920 Every few days a few random cameras will will hang/become unresponsive at random intervals. The cameras require that I unplug the cameras before they will respond. When the cameras are unresponsive I cannot access the camera via a web browser, the D-View Cam software, or the setup wizard. This is a problem as they are all mounted in positions requiring a ladder to access.
I have some connected via 802.11g and other hard wired over 10/100 cat-6 Ethernet cable.
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Feb 6, 2012
I have 2 computers connected to the router (via cable). The problem is that have to reboot the router several times per day because one or both computers lose their internet connection. This happens regardless if one or two computers are turned on.
Router: DIR-615
Firmware version 4.00
Hardware version: D1
Computer1: Win7 64
Computer2: Win Vista 64
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Apr 1, 2013
Region : India
Model : TL-MR3020
Hardware Version : V1
Firmware Version : 3.14.2 Build 120817 Rel.55520n
ISP : HNS/Instanet (Cable Internet)
I am using the Router in 3G/4G mode, with WAN only (PPPOE) enabled. I have set a personal SSID in the Wireless > Wireless Settings > Wireless Network Name field.
I do not see the particular SSID on my computer, instead on every reboot / restart of the device a random SSID is generated. see attached screenshot. I can connect and everything works well, but I have to enter the WPA key after each reboot.
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May 6, 2013
Region : Netherlands
Model : TL-WR1043ND
Hardware Version : V1
Firmware Version : 3.13.4 Build 110429 Rel.36959n
ISP :
I have a flaky internet connection, and it drops every few days. I've thus far powercycled my router by unplugging and plugging it back in, which fixes the issue.
I'm traveling soon, and would like to be able to have access to my stuff remotely, even after the connection drops.
I have two ideas:Run a script in Windows 7 which would soft reboot the modem - free, not sure if soft reboot is enough though. If that doesn't work, Get a hardware which would powercycle the router - haven't researched if these are readily available and cheap
Is there a way to schedule a soft reboot of my router using Windows system tools? I'd schedule it to reboot every night.
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Jun 20, 2011
Have several DCS-5300 cameras (firmware 1.06) and randomly the cameras will reboot.
D-Link says to set to factory default, but that is not physically possible.
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May 29, 2013
After reboot WLC , the switch port was err-disable , the cause is link flap after we reboot 3 times , the switch port link flap err-disable every time? We don't know why the WLC rebboot will cause it , it just normal action on device the WLC version is 7.4.100.0 link switch with access port , no port channel , no portfast.
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Feb 28, 2013
Region : UnitedStates
Model : TL-WDR4300
Hardware Version : V1
ISP : Comcast
TP-LINK WDR4300 750N Dual-Band router issue.
I started having a problem with a VONAGE V-Portal VoIP adapter losing connection to the Vonage server. I Unplugging the adapter and waiting doesn't solve the problem. The only way I can temporarily fix the issue is to reboot my TP-Link router. Once the router is rebooted the adapter can connect to Vonage. After a few hours it loses connection again. I have set the adapter to use a static IP outside of the DHCP reserved pool. This didn't fix the issue.
I have had vonage for many years and this router for the last 10 months and not had a problem until the past two weeks. Nothing only my local network changed. All of my PC's have no problems with internet access during the time that the Vonage adapter gets an Error 004 (lost connectivity). I still have connectivity with my ipod touch and other internet enabled devices as well. I was using 8.8.8.8 as my DNS server in the router DHCP configuration as well as the static value when I tried using a static IP with the V-Portal. I then switched all system to the ISP (Comcast) preferred DNS servers. The problem still exists. The only way to get the Vonage adapter back to running is to reboot the router.
I should mention I have Motorola Cable modem to a TP-LINK WDR4300 750N Dual-Band router. I have two Vonage vportal adapters plugged into the a couple of the LAN ports on the TP-LINK router. One vportal is my roommates, one is mine. Everything has been working fine for the last 6 months and now one or the other Vportal loses communication through the router, but the other vportal doesn't lose connectivity. It only happens to one of them and it varies as to which one will ERROR out.
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Feb 2, 2013
Region : Germany
Model : TL-WDR3600
Hardware Version : V1
Firmware Version : 120820
ISP : German university ISP
I have a big problem with several TP-Link routers (WDR3600, WR1043ND, WR741ND), always with the latest firmware and also with older ones. After a day or so, my internet & network connection will drop all of a sudden and all the routers need a reboot. There is no indication on what provoces these lock-ups. The routers can handle heavy traffic (bittorrent /w 100s of connections) but will stop working when browsing casually. The web-GUI will become unreachable. No pings to the outside are possible anymore, not even to direct IPs (8.8.8.8 for example). No pings to devices in the same network are possible either.
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Mar 17, 2013
Region : Germany
Model : TL-WDR3600
Hardware Version : V1
Firmware Version : 3.13.26 Build 130129 Rel.59449n
ISP :
all my systems are configured under "IP & MAC Binding". Binding is activated globally and all check marks for every ID are set. After i finished my configurations, the "ARP List" status shows, that everything is bound - so far everything is great. The problem appears after a router reboot or after shutting the router down and powering it on again. The "ARP List" then shows only a few of my IDs and their status is unbound. I need to go back to the "Binding Settings" and hit "Save" - after that all my IDs appear in the ARP-List and everything is OK again.
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Apr 16, 2013
Region : UnitedStates
Model : TL-WDR4900
Hardware Version : Not Clear
Firmware Version : 3.13.29 B 130126 R 50426n
ISP : Comcast
1. Any device which is switched off (WiFi turned off) wont be able to connect again without a router reboot. I get a connection timeout error when trying to connect. Happens only when there are more than 3 devices connected. (all my devices are ARP linked to MAC addresses with fixed IP addresses - I thought this would eleminate the problem but not)
2. Streaming videos stop playing after 5 minutes. I have to click on the play button to start the stream again. When I test the internet speed through speedtest.net or speedtest.comcast.net, I get over 40MBPS consistently.
3. The router doesnt recogonize 3TB or above HDDs on either ports
4. As long as all devices connect to one channel (either 5G or 2.4G), the connectivity speed is excellent. The moment a device connects to the other channel, the connection speed fluctuates a lot on both.
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