Wireless Routers: 10 1/2 Tips to Troubleshoot

wireless router trouble shooting for the Famously Frustrated

1. Open up internet explorer type in http://192.168.1.1 under password type admin1 and proceed to your router interface. Most people dont even know how to go to their router interface. linksys wireless routers all have default passwords of admin1 or admin. Your wireless routers interface is where your entire configuration takes place. If you dont know your routers default password just go to google and type in your routers model number and Default password some website will have it.

2. Reset your router Some times after many changes and many restarts your routers configuration files can get messed up. Even after you many changes via your routers web interface they wont stick. So you might need to Reset you router by Taking a Paper clip and pressing the button in back of the router for about thirty seconds. This will reset it and give you a fresh start.

3. Reset part Two, another option to reset your wireless router is to proceed to your wireless routers web interface and find the setting that says factory defaults.

4. Upgrade your wireless routers firmware. If you purchase a new wireless router and it isnt working you will want to upgrade the firmware. Firmware is the programs that run on the wireless routers motherboard. Up can download your wireless routers firmware from the manufactures website. Follow the directions to a tee or you will brick your router. Tips do not upgrade your wireless routers firmware via a wireless connection and dont turn off the wireless router when it is in the middle of upgrading.

5. Bad signal = Bad Placement before you return your wireless router because you dont get a signal place it in a new spot. Remember the default Di-Pole omni-directional antennas do not transmit from the tips they transmit from the sides radiating in a doughnut type pattern. So if you have your wireless router near a outside wall half your signal is going outside.

6. Cant acquire a network address means that you dont have your wireless routers DHCP settings configured or your wireless adapters not configured correctly?

7. If you cant seem to connect to a wireless router even through you know that you have the correct pass phrase, the wireless router might have might have mac address filtering on. Either add your mac address to the filter or disable it.

8. If you keep seeing your wireless adapter connecting and reconnecting then you might have interference from somewhere so change your channel to something else.

9. Cant get to the Internet but can connect to the wireless router? Then go to your wireless routers web interface and check to see if you have a DHCP address from your Internet provider. If you do or you dont try to renew it then you might be able to connect.

10. After many hours of trouble shooting a wireless router and you still cant figure out what to do just go to google and type in your wireless router model and trouble shooting and you will find many more tips 10.5 If all that dosent work smash it with a hammer, it wont make it work but at least you will feel better.

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Cisco CCNP Certification / BSCI Exam Tutorial: Comparing IRDP And HSRP

To pass the BSCI exam, you need to know the difference between IRDP and HSRP. While they have the same basic function, the operation and configuration of each are totally different.

The aim of both is to allow hosts to quickly discover a standby router when the primary router fails. IRDP is commonly used by Windows DHCP clients and several Unix variations, but you do see it in Cisco routers as well. IRDP is defined in RFC 1256.

IRDP routers will multicast Hello messages that host devices hear. If a host hears from more than one IRDP router, it will choose one as its primary and will start using the other router if the primary it's chosen goes down.

HSRP is a Cisco-proprietary protocol that is designed for quick cutover to a secondary router if the primary fails, but the host devices don't "see" either the primary or secondary router. The hosts use a virtual router as their default gateway. This virtual router has its own IP and mac address! All the while, the router chosen as the primary is actually the one doing the routing. If the primary router goes down, the secondary router quickly takes over with no major interruption to network services.

The HSRP routers communicate by multicasting updates to 224.0.0.2, and its through these hellos that the HSRP routers decide which router is primary and which is secondary. HSRP is defined in RFC 2281.

The configuration of each of these will be covered in a future tutorial. In the meantime, I urge you to read the RFCs mentioned in this article, and visit www.cisco.com/univercd to read about the configurations and options available for both of these vital protocols.

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