Question about Cisco 1811 Router

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Cisco 1811 router freez

Every day, about the same time, our cisco 1811 router freezes. After disconnecting the power for 1 minute and rebooting it works fine for another 24 hours....

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Replace your router, got a problem with the board...

Posted on Jun 18, 2009

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Posted on Jan 02, 2017

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Wont reset and has erratic blinking lights. Tried power reset, reset button, etc.


Does the power light blinks when you press the reset button?
If power light is blinking continuously then I think your router is not working and you need a new one.
Read how to reset Linksys router

Oct 09, 2011 | Cisco Linksys E1000 WirelessN Broadband...

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Cisco 1800 Series, Business Router for Small to Medium Sized Business/Enterprise


Cisco 1800 Series Integrated Services Routers, the next evolution of the award-winning Cisco 1700 Series modular access routers, own more advantages than the formers. Cisco 1800 series, ideal for small to medium-sized businesses and small enterprise branch offices, enable businesses to reduce costs by deploying a single, resilient system for fast, secure, delivery of multiple mission-critical business services, including data, security, unified communications, wireless.<br /><br /><a href="http://www.router-switch.com/Price-cisco-routers-cisco-router-1800-series_c17">Cisco 1800 series router</a> has several models including 1801, 1802, 1803, 1811, 1812, 1841(most popular), 1861, all of them have some common features: a. Designed for small businesses or branch offices and to offer secure wireless networking; b. Multiple performance options based on local, remote, or broadband connections; c. Integrated security including encryption and protection against hackers; d. Virtual private networks for linking to partners, suppliers, and remote offices; e. Multiple options for adding reliability and option for reduced costs by using power from network cabling; f. Software upgrades to add new features and functions, and integrated switching capabilities.<br /><br /><a href="http://www.router-switch.com/Price-cisco-routers-cisco-router-1800-series_c17">Cisco 1800 series</a> router has several models including 1801, 1802, 1803, 1811, 1812, <a href="http://www.router-switch.com/cisco1841-p-97.html">1841</a>(most popular), 1861. You can check details of every type as follows:<br />The fixed platform models (1801, 1802, 1803, 1811, 1812) include multiple WAN interface options, plus:<br />Up to broadband speeds<br />Eight 10/100 Mbps built-in switch ports with optional Power over Ethernet (PoE), for providing DC power to network devices such as IP phones<br />Up to 50 VPN tunnels<br />Support for wireless local-area network (LAN) standards 802.11a/b/g<br /><br />The 1841 is a modular platform with a wide range of interface options, plus:<br />Up to T1/E1speeds<br />Up to four 10/100 Mbps built-in switch ports<br />Up to 800 VPN tunnels<br />Support for wireless local-area network (LAN) standards 802.11a/b/g<br /><br />The 1861 is a modular platform built on a fixed base with a wide range of WAN interface options, plus: <br />Integrated Cisco Unified Communications Manager Express or Cisco Unified Survivable Remote Site Telephony for call processing<br />Cisco Unity Express, for voice messaging and automated attendant<br />Integrated LAN switching with Power over Ethernet (PoE) expandable through Cisco Catalyst Switches<br />Onboard voice ports for PSTN, PBX, and key system connections<br /><br />With Cisco 1800 Series integrated services routers; you can lay the foundation for future growth and prepare for voice, video, wireless, and security solutions tomorrow. <br /><br />If you want to know more about e about the certain type of Cisco 1800 series, you can visit the list of Cisco 1800 router series, prices also offered.<br /><br />

on Jun 30, 2011 | Computers & Internet

1 Answer

What does it mean when the far ethernet light is flashing fast and the cable light is flashing slowly. the power light and on line light are on steady. I have internet access when connected direct to...


Try this:
  1. Disconnect power to modem
  2. Disconnect power to router
  3. Shut down PC
  4. Wait 2-3 minutes
  5. Reconnect power to modem, and wait ~ 1 minute
  6. Reconnect power to router, and wait 30-60 sec.
  7. Reboot PC
  8. Try to reconnect to internet...

Jan 15, 2018 | Arris Touchstone 450a (CM450) Modem

2 Answers

KEEPS FREEZING UP


Turn it off for 15 minutes and unplug it from the wall as well. It resets this way. Cisco Systems does have a problem with these and the only hope is to disconnect them for awhile to operate correctly again. After they are about 8 months old they tend to do this all the time

Jun 25, 2010 | D-Link DGL-4500 Wireless Router

2 Answers

My router is freezing for up to 1 minute at a time...it does not disconnect or crash anything...after it has its little tantrum it will continue where it left off and we are good for awhile...it will work...


Well this probably wont be much of a comfort. I have the same router and have had some similar problems with it. It is touchy and there is no support to speak of from D-link. I finally relegated it to just an access point and shut off the router features. Even then it would dump internet after so many hours(around 24 or so) Sometimes it would last 2 days before it dumped internet and nothing would connect until it was power cycled. Finally I have done something right and it has stayed up a couple of weeks now. I think I turned off UPNP feature. but I honestly dont remember.
You can try it and you can try enabling and disabling QOS feature too.
In all it looks like a really good router to read the box but I am less then impressed. In the future I am sticking to routers that are ddwrt compatible.
Best of luck. perhaps one of the other experts can shed some light on this one. Ill be watching and hoping for sure.

Mar 13, 2010 | D-Link DIR-615 Wireless Router

1 Answer

Port forwarding not working on cisco 1811 router? Via the SDM, I have configured NAT, and verified that these settings are correct. However, our videophone application (which requires, TCP:1720,15328-15248...


Most of the CISCO 1800 series have some ACL's configured by default.

You may want to run a show run from the CLI to make sure that there isn't one interfering.

Also from the CLI, see if you can debug port forwarding. I can't remember the command off the top of my head but I will look it up and post it for you.

Oct 15, 2009 | Cisco 1811 Router

4 Answers

Can not login on con 0 port (not text), lost


default username and password for all router are

admin and admin

or

admin and password

try these two combinations

else try link

http://www.cisco.com/en/US/products/ps6187/index.html

Oct 03, 2009 | Cisco 1811 Router

1 Answer

''!!! WARNING: The switch is not usable !!!''


Unfortunately the show stack isn't showing any results other than it is either a hardware or software fault. I am guessing it is a fault with the hardware as the show version in your first post states "interface Ethernet-controller 4 failed POST POST error status : general error occured".

Ethernet-controller 4 is one if the gigabit ports (poss fibre port), so if you have anything attached to those, disconnect and reboot the switch and see what happens. If that doesn't work, you could try reinstalling the IOS, but at a guess I would say its a hardware fault.

Jun 01, 2009 | Cisco Catalyst 3550-24 24-Port Ethernet...

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Cisco 1811 router hangs atfer a partial boof: Output shown below: System Bootstrap, Version 12.3(8r)YH8, RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 2006 by cisco Systems, Inc. C1800 platform with 393216 Kbytes of main memory with parity disabled Upgrade ROMMON initialized program load complete, entry point: 0x80012000, size: 0xc0c0 Initializing ATA monitor library....... program load complete, entry point: 0x80012000, size: 0xc0c0 Initializing ATA monitor library....... program load complete, entry point: 0x80012000, size: 0x1023778 Self decompressing the image : ################################################################################################################################################################################################################################################################################################################################## [OK] Restricted Rights Legend Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706 Cisco IOS Software, C181X Software (C181X-ADVIPSERVICESK9-M), Version 12.4(6)T6, RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2006 by Cisco Systems, Inc. Compiled Fri 08-Dec-06 13:16 by kellythw Image text-base: 0x80012124, data-base: 0x81F31000 router hangs&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;.

Feb 27, 2017 | Cisco 1811 Router

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