Cisco Routers :: SRP 527w - ADSL Disconnections
May 12, 2011
at our office we've recently upgrade from a old consumer-grade linksys wag200g modem/router/ap to the Cisco SRP527w. The Cisco is suffering from very frequent ADSL disconnections. These disconnections happens when there is some traffic to the internet and they seem to don't affect the LAN routing: on the weekends there are no disconnections at all while during the working hours there may be disconnections every FEW MINUTES making this router unusable. Often these disconnections force us to do a full reboot of the router.
Firmare version is SRP520W-1.1.19, the latest. ADSL line is a 6Mbps/640kbps. Noise margin is about 11dB for downstream and 20dB for upstream.
No voice line is used and therefore they are both disabled. 2 wireless network are active. The old linksys was (and is) working correctly, no adsl disconnections at all. Never.
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Jul 30, 2011
Ive been through 5 routers. All of them, except ONE has had a very annoying problem. The WiFi disconnects like anything randomly. The funny thing: The 4 that disconnect have all been working on 802.11n 300mbps. The 802.11g DG834Gv5 is as solid as a rock, maintaining connection for months on end, no wireless dropouts. Ive tried fiddling with the 4 routers (DGN2200, DG834N, Belkin N1 Vision, and another one ive forgotten), putting them onto 54mbps, which always works perfectley. When its on 145mbps or 300, they disconnect. No pattern, just fall off. When reconnecting, I can see them in the network selection thingy, but it just gives me the error 'Cannot connect to XXXX', only solution is to turn off the wireless radio and turn it back on via router interface.
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Sep 23, 2012
A SRP 527W is responsible for the data network in my office. But I am not able to access it. I use traceroute to confirm its IP address is “10.0.0.138”. I am not able to access / open 10.0.0.138 with my web browser. I even can not access the same address with telnet. So is there any solution to access the SRP 527W?
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Jul 28, 2010
I recently ( three days ago ) purchased a SRP 527w and have been using it in a mixed Mac/Windows network. The setup is currently primarily using defaults apart from enabling logging. While I was still able to access the internet with some applications, accessing web content appears to have blocked after approximately 48 hours uptime.
No web pages using port 80 were available and that included the router web interface. The router would respond to ping only.
On a different note. I have to say that I find it very strange that the supplied documentation doesn't advise setting up the router using the admin login. It was only after reading one of the comments on this site that I was alerted to this security problem. I also find it rather annoying that I appear to have to purchase additional support merely to be able to download firmware updates which are designed to give the device improved functionality.
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Nov 30, 2011
I spent three days trying to get the DMZ function in my newly purchased SRP 527w Small Business Router to work at no avail.All I want is for the router to place the 192.168.1.200 IP/Machine in the DMZ.I have configured the ports in the router as TRUSTED and there are no other conflicting rules but it doesn't work still.I tried upgrading to the latest firmware "SRP520W-1.1.24" and it didn't work either.
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Feb 18, 2013
- Small Home-Office network based on a Cisco WRV210 VPN Router connected to another WRV210 in a remote location.
- The WRV210 provides 2 WAP-protected SSIDs, one for the office network and one for visitors
- Wireless channel is set 5 channels away of the closest networks (using inSSIDer)
- There are about 12 wireless devices, 4 connected to the office network the rest to visitors. Not all devices are connected at the time of failure. All wireless devices use DHCP which is set to last 1 day and provide 100 IPs.
- The wireless devices are 1 desktop, 3 notebooks (all clean), iPads, iTouch and Nook.
- The failure symptom is that almost daily, and most likely around the same time, no wireless device can connect to any of the SSIDs unless the router is power-cycled. During the failures, which we have witnessed first hand, there are no apparent reasons: no new SSIDs, now SSID in close range on the same channels, nothing we can easily observed in the network in terms of connections or unusual activity.
- A weirdo also presented by the WRV210 was that its web pages were shown erratically. That was corrected by downgrading the firmware from the latest to previous version.
We have used a loaner Linksys router WRT54GC with only the visitor Network on it and even though the situation is not as frequent, it has happened already a couple of times.The WRV210 is out of warranty and discontinued, so we get no support from Cisco that is worth paying for.
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Mar 11, 2012
Just wanting to know if there is a way to disable unused LAN interfaces of these Cisco 527W routers. Looking through the configuration interface it doesnt seem to have an option for this. Also I am having trouble logging into the router via SSH or Telent . When I put the password in it says "access denied" . But password works for the web interface..
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Aug 3, 2011
Our SRP527W is working - internet on and SIP phones on but I cannot access the Web interface anymore. When I try to login from any of the machines around I get a "not responding" message.
Before I get to the stage where I have to reset the whole thing and re-do the configuration completely ? I tried powering off and powering on as well as restarting all the switches etc... but I get the same result.
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Sep 12, 2012
I know how to disable the DHCP on the SRP527W but i was wondering how do i configure DHCP relay to point to a network DHCP server.
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Jan 14, 2013
As a raw test it is handy for us to ping externally the WAN port of the SRP 527W. How we configure the SRP 527W to allow this? FYI we have the inbulit SRP firewall enabled.
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Mar 19, 2012
I have a pair of SRP-527W routers running latest firmware V 1.01.26. Everthing works fine. Except.... Have purchased a ZTE MF112 usb dongle as backup to the ADSL but router refuses to recognise it. In mobile network status shows as "Unable to Detect USB Mobile Modem".
Have tried a second dongle of the same type, cold reboot of router etc... but nothing. It is supposed to be supported in this release of firmware...?
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Jan 15, 2013
we are trying to configure one to one NAT translations on a Cisco 527W-U, but are having some problems. We are running firmware version 1.2.4 (003) on the 527.
The DSL line is assigned with a /29 address range x.x.x.64 /29?
The DSL WAN interface picks up x.x.x.65 /32 from the Radius server. We are using the default private IP address range 192.168.15.0 /24 on the LAN (VLAN1), and can get to the internet ok with a PC connected to the LAN.
However when we try to set up a public IP address in the same range (eg x.x.x.66 /29) on VLAN1 (with x.x.x.67 on the PC) it will not connect. (won't allow us to configure an address from the same range as the WAN on a new VLAN interface).
we would want to be able to do one to one NAT translations eg x.x.x.66 on the outside to 192.168.15.2 inside, x.x.x.67 outside to 192.168.15.3 inside etc, but this will not either. We have tried this on a normal IOS router (887) and it worked ok. We have also tried the same on a small DSL router / modem product similar to the 527 from another manufacturer and it worked ok on that, but we wanted it to be able to work on the 527.
We have tried the NAT bypass feature without any success, reading several other discussion forums on this website leads me to believe that one to one NAT is not supported on this equipment at the moment, or at least not at the current firmware release.
One work around would be to just assign a /32 to the WAN interface on the DSL and route statically to a different routed subnet configured on the LAN, however we were wanting to avoid having to do that if possible.
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Aug 9, 2011
We have a Cisco SRP 527W router that was not showing up on the LAN. so we tried a Factory Default reset but it seems to be dead.
The power light is flashing constantly,the 4 LAN light are constantly on,the DSL Data light comes on for 1 sec when device is powered up.
i have tried connecting directly to a PC, the NIC reports as network cable unplugged.i have tried the (power on device, hold down reset button, power of after 30 sec, power on after 5 sec, release reset button after 5 sec) but still "network cable unplugged".
the firmware flash utility will not find the NIC the device is connected to.the router is less than a year old, is there a fix or is it a warranty replacement ?
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Jul 18, 2011
I have recently acquired one of these routers. I thought, being a Cisco product, it would be the bee's knees. It is not. After finally getting the network set up - no mean feat, although I do not claim any expertise, but had to resort to some other network management software to finally get it all running - the router drops either the WAN connection or the wireless connection many times a day. The laptops often show as being connected to the network/router, but are unable to access either the internet, or the router via the browser. Re-booting the router is the fix, but, hey, I can achieve that sort of performance with any old $20 router - none of my old Net gear routers was this troublesome.
The permanent fix would seem to be a firmware upgrade, but guess what? The only options available under the "Administration" tab are time setting and switch settings - no firmware upgrade. The supplied firmware is 1.01.09(001) Apr 7 2010. Why these products are supplied, as new, without the latest firmware installed beats me, but there you go.
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Jul 14, 2011
The router recognizes the Sierra 312U modem but does not connect to Telstra. The modem is on a monthly plan (not pre-paid) and I have tried APN settings such as internet.telstra and internet.bigpond. The configuration is set to manual and the correct user id and password have been entered. explain the "daemon.err rc: start -1 port.... fail (-8)" in the log? 312U sierra model supposed to be compatible with SRP500s. Any other settings I should try?
Jul 13 17:59:09 SRP527W daemon.notice rc: 3G WAN is unplug
Jul 13 17:59:09 SRP527W daemon.notice rc: killall -TERM igmprt
Jul 13 17:59:10 SRP527W daemon.notice rc: igmprt -f -i br4080 -w 0 -c 5
Jul 13 17:59:12 SRP527W daemon.info 3G[354]: init 3G card phase get card info
Jul 13 17:59:13 SRP527W daemon.info 3G[354]: init 3G card phase verify pincode
[code]....
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Oct 9, 2012
I have a Cisco 527w which we are wanting to deploy to our remote sites however i've found a bug. We use ADSL with an IPsec tunnel as primary and 3G APN for failover . When the ADSL goes down the route via the IPSec tunnel remains and i am unable to route the traffic via the APN backup without disabling the VPN tunnel .
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May 28, 2012
We sort of recently got wireless internet, have had it for 2-3 months now I think and everything was running smoothly. Yesterday my internet randomly disconnected and it was only from this (my) pc, the internet was fine for everything else in the house which includes another pc, 3 laptops, cellphones, ipods, and gaming systems. It has been going out randomly since maybe 6pm yesterday. I have to completely restart my computer for it to work again. The only thing I tried was to unplug the modem and router for a bit and plug them back in, which did nothing for my computer lol. When I did that though the other computer had an ip conflict that came up which it's had in the past with my own pc but after I restarted my computer they were both fine. My computer still has random disconnections from the internet though. I don't understand why my computer is the only one affected and why it's starting now when it's been fine for the 2-3 months it's been working.
[code]...
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Aug 8, 2011
I have 1 WLC AIR-CT5008-K9 version 7.0.98.0. with iPads connected to a WLAN with [(WPA+WPA2)(AuthPSK)].and have constant disconnections. But the Laptops do not have problems.
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Jan 26, 2013
What is the cause of periodic disconnections? I don't know what kind of information I'm supposed to give, but I can say that the internet disconnects randomly but connects again.
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Aug 20, 2011
i have problem in connecting internet.Repeatedly it is disconnected from internet gateway.
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Feb 23, 2012
Tell me the process to connect TWO ADSL Router
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Feb 21, 2013
I have a RV082 VPN Router. But my internet connection is ADSL brodband. How can i connect and setup a VPN connection to other RV082.
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Mar 13, 2011
I have multiple customers with either 877 / 1801 routers with dsl issues, we keep dropping sync , get slow speeds etc,
I have already updated to firmware 4.018, in some cases it has resolved the issue in others it has not, BT say their lines are ok, but still i keep getting issues.
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Mar 21, 2012
We have deployed a number of 800 series routers for some of our clients and have found that in many cases they seem to disconnect at an excessive rate. When I connected to the console of one the other day I could see that the virtual-interface for the ADSL connection was down, but not the ATM or DSL interface. If I disconnected the cable and reconnected the virtual-circuit came back up momentarily before disconnecting within a minute.
If I switched off the router for a few minutes and powered it back on it would usually remain up for a few hours. I reconfigured the router again using exactly the same config and it seemed to stay up for quite long periods for 4 or 5 days before reverting to type. [code]
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Feb 22, 2012
We installed one of these devices as our gateway a couple of weeks ago, flashed the firmware to 1.2.4(003) and it worked perfectly until this morning where it keeps resetting the ADSL every minute and losing the web interface to the unit.
The log endlessly reports this:
Feb 24 11:26:00 SRP547W cron.info cron[8779]: (root) CMD (/sbin/check_gn)
Feb 24 11:26:00 SRP547W cron.info cron[8781]: (root) CMD (/sbin/check_ps)
[Code].....
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Sep 2, 2011
When there's more than the usual (3) computers connected to our home network, i suddenly get internet problems which includes continuous disconnections from skype and wow (That's those I've noticed so far).Calling my ISP won't work because they will only say that since it's only my computer then it isn't their fault etc.
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Jul 18, 2011
I have had my DIR-825 for a year and half. My computer that is wired directly to the router keeps losing the connection to the router - unable to obtain an address. All of my other devices (that are connected via wireless) still hold the connection with no issues. I've checked the cable, unplugged/plugged back into the router, and it shows connection on the network card on the back of the computer.I have used the system interface to ensure the address is a valid one. I have powered up and down the computer multiple times and have also powered down and up both the router and the cable modem.
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Feb 19, 2011
Our church has 1 phone line, we run BTBusiness Broadband at one of the building where we have a couple of charities based. We have the phone line connected to an extension at the other end (where the Church is) >80m away. Any way of running a second concurrent router on the extension so I can set up an office with a VOIP number, pC's printers etc there too? We use Devolo ethernet over mains and wireless for the main building, but the church itself is on a completely seperate mains power supply so I can't use that. I could run 100m Cat 5 and locate a switch on that, but any way of achieving something similar over the phone cable which is already in place.
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Mar 1, 2011
A Telindus 1421 SHDSL Router and a Sagem F@st 1500WG wireless adsl router.The question is: Can i connect this two devices directly over the adsl port and share networks on each side of each of the devices?
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Mar 28, 2011
Can I install 2 ADSL routers on one telephone line with SKY. If I can does this mean that if sky give me 20mb connection, I can get two lots of 20mb using the two routers.
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Aug 24, 2012
i have a problem with my adsl line connected on a HWIC-ADSL on router 2901 it was working good until yesterday the atm interface is down but the interface dialer is up .i connected this line into home adsl modem and the line is working good?
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Jan 27, 2011
We have recently purchased a Cisco Small Business Pro SRP 527W router, all seems good and it is running smoothly, no disconnections or sync issues like our last router. However, after a certain amount of time the web management interface is unavailable through the browser (accessing it via 192.168.1.254 or the alternative we set-up 1.1.1.1) It is totally unavailable and timeouts in the browser yet there is still internet access and network is still alive. The web management interface was accessible before though and the only solution I have been able to do to access it again is to reboot this router.Could it be possible that because port 80 is forwarded to a different IP it interferes with the Web management interface? And how wcould the interface port access be changed?
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Mar 5, 2011
I have just installed an SRP 527w and it's basic operation is working fine. However, the ISP has allocated (and set up routing for) a range of 16 additional static addresses to the link that I now wish to configure and use, but I am having problems. Details are as follows (ip addresses are fictitious): [code]Extra ip range Netmask: 255.255.255.240From what I understand, these are added as subinterfaces which are bridged off the main WAN interface. However, when I try to add a subinterface by specifying (say) I get an error when saving : [code] The error states "IP Address and Gateway cannot be the same as the netmask".
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