Question about SMC Barricade 7004VWBR Wireless Router

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How to secure my internet connection via smc router

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If you plan to have a wireless network, you should set it up so that only people you choose can access it. Here are a few options for wireless network security.

Wired Equivalent Privacy (WEP)
WEP is a widely used network security method. When you enable WEP, you set up a network security key. This key encrypts the information that one computer sends to another computer across your network. The receiving computer needs the key to decode the information so that it's difficult for someone on another computer to get onto your network and access files without your permission.

Wi-Fi Protected Access (WPA)
WPA was created to improve the security of WEP. Like WEP, WPA encrypts information, but it also checks to make sure that the network security key has not been modified. WPA also authenticates users to help ensure that only authorized people can access the network. If your networking hardware works with both WEP and WPA security, we recommend that you use WPA.

There are two types of WPA authentication: WPA and WPA2. WPA is designed to work with all wireless network adapters, but it might not work with older routers or access points. WPA2 is more secure than WPA, but it will not work with some older network adapters. WPA is designed to be used with an 802.1X authentication server, which distributes different keys to each user. This is referred to as WPA-Enterprise or WPA2-Enterprise. It can also be used in a pre-shared key (PSK) mode, where every user is given the same passphrase. This is referred to as WPA-Personal or WPA2-Personal.

802.1X authentication
802.1X authentication can help enhance security for 802.11 wireless networks and wired Ethernet networks. 802.1X uses an authentication server to validate users and provide network access. On wireless networks, 802.1X can work with Wired Equivalent Privacy (WEP) or Wi-Fi Protected Access (WPA) keys. This type of authentication is typically used when connecting to a workplace network.

IF THIS ALL DOSEN'T WORK TRY THE FOLLOWING:

Wireless network security recommendations
If you have a wireless network, there are some additional security precautions that you should take.

Use a network security key
If you have a wireless network, you should set up a network security key, which turns on encryption. With encryption, people can't connect to your network without the security key. Also, any information that is sent across your network is encrypted so that only computers that have the key to decrypt the information can read it. This can help avert attempts to access your network and files without your permission. Common wireless network encryption methods are Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) and WPA-2.

Change the default administrator name and password on your router or access point
If you have a router or access point, you probably used a default name and password to set up the equipment. Most manufacturers use the same default name and password for all of their equipment, which someone could use to access your router or access point without you knowing it. To avoid that risk, change the default administrator user name and password for your router. Check the information that came with your device for instructions about how to change the name and password.

Change the default SSID
Routers and access points use a wireless network name called a service set identifier (SSID). Most manufacturers use the same SSID for all of their routers and access points. We recommend that you change the default SSID to keep your wireless network from overlapping with other wireless networks that might be using the default SSID. It makes it easier for you to identify which wireless network is yours, if there is more than one nearby, because the SSID is typically shown in the list of available networks. Check the information that came with your device for instructions about how to change the default SSID.

Position your router or access point carefully
Wireless signals can transmit a few hundred feet, so the signal from your network could be broadcast outside of your home. You can help limit the area that your wireless signal reaches by positioning your router or access point close to the center of your home rather than near an outside wall or window.

Posted on Aug 03, 2010

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Posted on Jan 02, 2017

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SOURCE: Linksys Wireless-G not connecting to internet

Make sure you are plugging the SMC into the WAN port on the Linksys router and not the LAN ports.  Your internet connection (which is your SMC) should always plug into your WAN port on the Linksys.  Any computers that you may need to plug in, like Desktops that are "wired" and not "wireless", should plug into the LAN ports on the Linksys.  If you are not using the WAN port on the Linksys for your SMC modem, then that would explain why you cannot get to the internet on wireless or wired computers.
Here's why you are getting the "low connectivity" message:

Computers don't understand why the Internet is connecting or not connecting...so the "low connectivity" message you keep receiving has nothing to do with your wireless signal strength.   To a computer NIC, "low connectivity" means your network adapter could not find a DHCP server and receive a valid IP address.  When this happens, your network adapter assigns an IP address to your computer in the following range...169.254.0.0, and will display the "low connectivity" message until it is able to receive a valid private IP address from the DHCP server.  You can verify this by going to START | RUN and typing "cmd" (without the quotes), then hit ENTER.  A black box will pop up....then type "ipconfig" (without the quotes) and hit ENTER.  This will show you your IP address, subnet mask, and gateway address, and you can verify that your IP address is in the 169.254.0.0 range.  A valid private IP address is typically in the 192.168.0.0 range, but could also be in the 10.0.0.0 range, or the 172.16.31.0 range.    Also, make sure you have DHCP server enabled on the Linksys router for the LAN.  This will ensure your "wired" and "wireless" computers receive a valid IP address.  
The WAN port on your Linksys router should be configured to "Obtain an IP address automatically using DHCP".

Cheers!

Posted on May 01, 2009

  • 5 Answers

SOURCE: cannot set up security on wireless router "wireless card nt found

Are you trying to configure the router wirelessly. Connect your computer to the router with a lan cable and then access the router and change its wireless settings. since you cannot change the wireless settings wirelessly as you will get disconnected.

Posted on Sep 07, 2009

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Can you still connect to the Internet with the Linksys router? I suggest that you go ahead and reset the SMC router to clear up your previously configured settings. Then before reconnecting it to the linksys router, make sure that you can access its web interface via 192.168.1.1. Don't disable DHCP as your computer won't be able to obtain an IP address from it automatically. Do not change other settings. Next, disconnect the ethernet cable and check if you can access the router interface wirelessly. Once done, connect SMC's WAN port to Linksys' numbered port. Make sure SMC's WAN light is on, as well as the light for the port you used on the Linksys router. Check if you can get online.

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