MAC address and P1102W

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• WLAN is missing the MAC address and can not use WiFi

  After an important virus corrupt my system, I got everything running except internet Wifi access.

  The configfree detects the unit, Wireless 2200BG, which is enabled and the latest driver downloaded from Intel, but he said nothing to the MAC address.

  IPCONFIG displays the wifi MAC address and loading upward it says wireless networks detected but it can not always connect.

  Configfree using I get error message c-15, c-16, c-16.

  I can hard wire to the internet using the LAN.

  IM using XP Home

  Ive took the wireless card, reinstalled, deleted, and updated.

  Any help would be appreciated

  Hello

  Have you checked the TCP/IP protocol settings?
  Do this!

  The settings are located in:
  Network connections-> network connection WLan-> properties-> Protocol TCP/IP-> properties

  There you have to make sure that settings such as; obtain an IP address automatically, get the DNS should automatically be marked!

  PS: The router must has disabled the mac address filtering!

• Disable broadcast SSID and MAC address turn on filtering on WAG320N

  When disabling SSID broadcast and enabling MAC address filtering on WAG320N, my other laptop wireless disconnected.  And when you try to connect, it connects again.

  You can not hide from intruders.

  The router always sends the tag. The router is immediately detected.

  The SSID is always transferred not encrypted. He is always sent over the association. It is easy to force a re-Association. If there is a single device without wire connected to the access point it takes about a second to learn the SSID.

  Disable the SSID requires your wireless devices to search actively for the network. This means that your laptop will always try to connect to your SSID, as long as it is not connected to another network. As sending requires much more power then listen passively it drains your battery.

  And, in fact, if you are in an internet café anyone can learn your SSID in time where you go on the wireless at the moment where you associate with the network of internet café.

  In addition, it causes many problems with different wireless, as instability or similar cards.

  MAC filtering is still more useless that the MAC address is always part of any wireless transmission and it's always clear. It is extremely easy to pick up the allowed MAC addresses, and it is extremely easy to change the MAC address of a wireless card.

  New: use the real security and forget this nickname of security features.

  What you try to do is a waste of time. Of your time. It will slow down any intruder.

  See also

  http://homecommunity.Cisco.com/T5/wireless-routers/iPad-Wi-Fi-MAC-address-quot-not-a-MAC-address-quo...
  http://homecommunity.Cisco.com/T5/wireless-routers/is-my-router-effectively-secured/m-p/333945#M1752...

• MAC address filtering problem with router DI-624 and printer HP D110

  Just got the wireless D110 printer and cannot connect to the wireless router.

  I have a D - Link DI - 624 Air Plus Xtreme G 2 .4GHz Wireless Router.

  The error message I get from the printer, it's that "address filtering Mac can be activated on your wireless router. This can prevent your HP printer to connect to your network without wire during installation... etc. ".

  The D-Link is configured with WPA - PSK security. If I disable all the security the wireless printer is able to connect. I can't connect the printer to the wireless router with WPA - PSK or WEP same active. There is no connection with the electrician the printer and the router.

  I have connected the router Admin and have repeatedly confirmed that Mac filtering is turned off by going to Advanced Options > Filters > filters Mac > and choose disabled Mac filters. Where is this setting? Why is not able to connect printer?

  In addition, I check the logs on the router and it shows "Wireless PC connected" and "Authentication successful" with a note that has the Mac address of the corresponding hardware address mac hardware of the printer on the wireless network Test report. It seems that the router is to let printing but the printer is not able to communicate for some reason any. It even shows under status > wireless printer is connected.

  When I talked to HP, they said to contact the router company and they couldn't help. When I called D-Link, they said technical support is no longer available for the model. I am stuck, can anyone help?

  Windows XP, tried the front of the printer and USB connection and using the software.

  After a few hours on the phone with the D-Link and HP, the problem has been resolved.

  Apparently, even if that Mac filtering is disabled (set to disabled MAC filters), the Mac address had to enter the router to enable all keeping off Mac filter setting. To me he appeared in the counter intuitive to enter the Mac address, while set to disabled the Mac filter so I wasn't that before picking up the phone with HP. Further on this point, the problem is not going away right after adding the mac address, but rather after the reboot of the router, such as the addition of mac address did not effect, without a reboot of the device.

  HP has been much more useful than a D-Link on it, although it would be nice for HP to add to their instructions and Test report of wireless network to add the Mac address, just in case. I would have tried this step if it has stated that it is acceptable to add the mac address and keep the mac filters disabled.

• Satellite L750D - MAC address change by itself

  Satellite L750D/L755D 18mths old.
  Restarted this morning after the weekend and cable NIC MAC address has chnaged.

  Started in windows and could see a different value to Friday (as we control access through MAC address and was blocked).
  Started in normal Linux (Ubuntu 12.04) and a different MAC address again.

  NIC seems to work fine with whatever he chooses - but how MAC address can be change by itself?

  > NIC seems to work fine with whatever he chooses - but how MAC address can be change by itself?

  The physical MAC address is not editable, but there are a few ways to spoof the mac address
  For example, using Windows XP, the MAC address can be changed in the properties of the Ethernet adapter. On the Advanced tab, under "MAC address", "Locally administered address", "Ethernet address" or "network address". The name of this option depends on the Lan driver that is installed on your laptop. And important note; not all drivers are supported changing the MAC address of this way.

  In addition the system registry key:
  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class\ {4D36E972-E325-11CE-BFC1-08002BE10318} contains some parameters of the network interface and the option called NetworkAddress will serve to set the MAC address.

  There are also tools that could spoof the address MAC for example, SMAC MAC Address Changer.
  Finally and above all some routers provide an option to change the MAC address.

• Laptops stolen - draw MAC addresses

  We had a number of thefts of laptop the past few months and would be able to follow some of these flights, if only we had the MAC addresses! When the new laptops are stolen just after delivery there is no record any of their wireless or the MAC addresses of the NETWORK card that could be used to locate their use on our network and the networks of other Institutions there. It seems that Toshiba does not keep a record of the serial number and MAC address.

  A plea for Toshiba: when will you begin keeping a record of MAC addresses against the serial numbers?

  Although we appreciate that software is available to change the addresses MAC is not valid to save addresses for every laptop on the issue?
  At least we would take a chance to follow the mobile phone in use... ???

  Hello

  It seems that it s not known to you, that this is a user forum and you will find only Toshiba users of cell phones here in the forum. If nobody from Toshiba here.

  Anyway did you check the lower part of one of the units of Toshiba?

  I found on my books different labels below with different numbers.
  There is a label with the serial number, model number and you will of course find the two labels with LAN MAC address and the WLan Mac address.
  I think that it s no problem so that everyone can note these numbers and addresses

  You know Toshiba support home page?
  Check this box:
  http://EU.computers.Toshiba-Europe.com-> support & download
  You will find a database with stolen devices. There, you can save your laptop stolen.

  With regard to the Mac address of follow-up;
  Of course, it is possible discover the Mac address, but how do you want to find the laptop with this Mac address? You want to follow the entire www?
  For me, that doesn't really sound realistic

• WLAN Access Denied for active MAC address in the ACL

  I have a pretty great list ACL (Access Control) and I've never had a problem with it in the past, but I just got a new laptop and same computer when I save the MAC address and reboot the router I always get the "WLAN Access Denied" error for access from your laptop.

  I did all the "sanity checks" to ensure that the password is correct and that other devices still work.

  I had the MAC address of the laptop the same way, I always have, I see the MAC address in the Logs in the access denied message and copy it from there, in the access list. I did it with more than 20 other devices successfully, I'm not sure what is different about this one MAC address... I confirm through ipconfig on the laptop that the MAC address I use is correct.

  When I turn off ACL, I can connect without any problem of the laptop.

  Any thoughts? I am very familiar with computers and you can do an advanced troubleshooting, I do not know infrastructure and networks of the stuff so I don't know where to start here.

  Any ideas on how I can fix this would be appreciated!

  You may have hit a limit of the ACL. A test, remove a device from your list and see if your laptop will connect. This would confirm if you have contributed the most to list ACL on the router...

• My older brother took my WiFi/MAC address. I think he's watching what I do on my iPhone 6. What can I do?

  I started this year at Uni and my older brother has decided it wants to spy on me!
  He asked my WiFi/MAC address and I gave it to him (not knowing what he can do with it)
  Now, he mentioned that he can see the content on my iPhone. He added new devices who say NETGEAR on them.

  Someone can confirm if it is able to see what I do on my iPhone or not?

  If so, how can I stop this from happening?
  I tried to connect to the NETGEAR device, but the password has been changed.
  I'm considering selling my iPhone to buy another one because I read the MAC address on a device cannot be changed.

  Thank you for any comments you can give it

  ISPY1 Regrads

  The only way he can spy on you, is if you share one login to iCloud Apple with him. Find your MAC address doesn't allow him (or someone else) to control anything on your phone. MAC addresses are not secret and do not need to be protected.

• Is it possible to find the MAC address in Microsoft Windows computers.

  Original title: help
  its possible find in microsoft net computers IP - MAC address, and where I need to write if I run to

  Hello

  Yes, the MAC address is present in every system that connects to the Internet and runs any version of Windows.

  MAC address stands for Media Access Control (MAC address) is a unique identifier assigned to the network interfaces for communications on the physical network segment.

  To find the MAC address on Windows XP computer try the steps below.

  (a) click the start menu button in the Windows taskbar.

  (b) click 'run... '. "in this menu.

  (c) type "cmd" in the text box that appears. A command prompt window launches on the desktop.

  (d) in the command window, type ' ipconfig/all'. The details are displayed for each of the network adapters on the computer. Computers installed with the software VPN or software emulation will have one or more virtual cards.

  (e) the "IP address" field contains the IP address of the network card.

  (f) the 'physical address' field contains the MAC address of the card.

• BEFSR81 v3 MAC address filtering

  I have a simple network configuration with wired computers connected to the router and the router connected to the modem.

  My goal is to associate the IPs assigned to MACs. So if I have 4 (A, B, C, D) computers connected to the router, it assigned a specific IP address. If someone disconnected a computer to replace it with their own, the router would recognize the MAC change and could not allow the connection.

  I know that the router can filter certain IP or Mac addresses from the internet, but some evil doer who simply unplug the computer to plug its own would still have access to the local network. That and I have no way of knowing what would MAC the author.

  So far, I have configured my computer to request a static IP (192.168.1.2-5) and the DHCP Server give the rest (6 to 254). Then the IP filter is on the DHCP range to block those from the internet.

  But as I said, I need these completely blocked IPs. Also. If a user connects to a computer windows laptop and guess the static IP address, then the router fortunately would give him access to everything...

  Sorry, I know it's confusing. Bottom line is I have to let only specific Mac to connect to the network. Or SOME form of protection for the cable networks... Super sticky ethernet cables is not an option, although it would solve the problem.

  nicfortin1342 wrote:

  My goal is to associate the IPs assigned to MACs. So if I have 4 (A, B, C, D) computers connected to the router, it assigned a specific IP address. If someone disconnected a computer to replace it with their own, the router would recognize the MAC change and could not allow the connection.

  Cannot do this with the BEFSR81 and it is not a matter of how it is recent - the firmware just does not support, does support an address IP or MAC, some of them not allowing not blocking.  I think that it has been designed as a primitive, rather than a security measure parental control.

  With DHCP servers better (like those of most of the firewall) than the BEFSR81 has, you can configure DHCP to "static maps" so that the lease of the intellectual property will be distributed based on the MAC address, and which would you allow to adjust things until only the DHCP leases to some MAC addresses issue.

  Despite this, MAC addresses can be manually changed and spoofed, such as IP addresses, so neither is really a good measure of security.

  You have to ask in the BEFSR81 firewall features, which, instead, is simply a router.

  In the grand scheme of things, because the MAC and IP addresses can be spoofed, if someone can get physical access to your network, you are pretty well watered unless the traffic is encrypted.

  Russ

• Router seems several MAC addresses

  My WRT54G MAC address of the router (as written on the label on the bottom) ends with F5. LELA shows the address MAC LAN like ending by F5. It shows the addrerss WAN MAC as ending in F6. My ISP used the F6 key to connect to their network. I have a wireless internet radio which can detect the router as ending with F7.

  Why is this? How can I know who is the 'real' MAC address?

  Each network on the router interface must have a unique MAC address... router has 3 logical network interfaces, you discovered... one is the WAN interface, which is also associated with the physical interface that connects to your ISP. Another is the LAN interface that is associated with the network which is jumpered to 4 LAN ports (which are interfaces on the switch that is built into the router), and the last of them is the wireless interface, which is connected to the adapter wireless physical built into the router. The router keeps track of where each device that is connected by using of these devices unique MAC addresses and sends traffic to the necessary interface based on his knowledge of the combinations of IP addresses and MAC addresses.

  'Real' address of the router can be one of three, according to the network from which you look at the router. It seems, based on your post, that Linksys has taken the MAC address of the LAN interface of the document as the 'router MAC address '. All three are 'real '... MAC addresses

• L2PT multicast mac address

  I have a question about L2PT, especially from this documentation:

  http://www.Cisco.com/en/us/docs/switches/LAN/catalyst3550/software/release/12.2_25_seb/configuration/guide/swtunnel.html#wp1005050

  To my knowledge, when switch PE l2pt receive a bpdu, it will replace the destination MAC address by owner of Cisco (01-00-0c-cd-cd-d0) multicast address. This MAC address will be used until the BPDU packet reaches the output PE.

  According to the Cisco documentation:

  The edge lights up catering out side the appropriate layer 2 Protocol and the MAC address and transfer the packets to all ports of tunnel or access on the subway even VLAN. Therefore, the layer 2 PDU remain intact and are sent over the network from the other side of the client network service provider.

  
  

  ... When packets double marking enter switch D, the tag VLAN 40 metro is removed. The MAC address is replaced by the Protocol Layer 2 respective MAC address and the packet is sent to the customer Y Site 2 as a single frame in VLAN 100.

  If I get it correctly, then it means that the MAC address of the destination output switch returned to the original BPDU MAC address (for example the CDP multicast address). My question is, if the destination MAc was crushed, how know MAC address of origin output switch?

  Second question: is the address 01-00-0c-cd-cd-d0 MAC used for all protocols BPDU tunnel? Or is there another MAC destination for each Protocol (01-00-0c-cd-cd-d0 CDP, something else for STP, etc.). If it's the same thing how the output switch knows what protocol the BPDU belongs to?

  Thanks in advance.

  Hello Sultan,

  note

  > If the destination MAc was crushed, how does the output switch know the original MAC address?

  a protocol in the frame type field allows to rebuild the right destination, MAC address, most of these frameworks use LLC/SNAP encapsulation and it is not deleted.

  See

  LAN password best practices IOS, it contains a table with all types of Protocol CDP, DTP, VTP and so on

  http://www.Cisco.com/en/us/products/hw/switches/PS700/products_white_paper09186a00801b49a4.shtml

  Hope to help

  Giuseppe

• The number of MAC address entries can manage a list of access (AIR1200)

  Hi all

  I had a few AP1231G accesspoint with a configured MAC filter.

  Now I'm curios if the access list has a limitation maximum mac address.

  At present, there are about 130 MAC address and the couple of clients sometimes struggling to connect.

  Any tips?

  Thank you

  Norbert

  I was referring to the size of autonomous AP database.

  The default size of the database of the controller is different according to the verion.

• Cisco ASA active / standby Mac addresses

  Hi all

  Please advise on the underside.

  Say that I have to active / standby. I have two interfaces on each firewall configured as below

  For the primary (active)

  interface GigabitEthernet1 / 0--> Say burned in mac address is 6c41.6bb0.1111
  nameif test1
  security-level 0
  10.1.1.1 IP address 255.255.255.0 ensures 10.1.1.2

  im int 2/0

  Test2 nameif--> Say burned in mac address is 6c41.6aa0.1111
  security-level 0
  10.2.1.1 IP address 255.255.255.0 ensures 10.2.1.2

  For secondary school (currently idle)

  interface GigabitEthernet1 / 0--> Say burned in mac address is 6c41.6bb0.2222
  nameif test1
  security-level 0
  10.1.1.1 IP address 255.255.255.0 ensures 10.1.1.2

  im int 2/0

  Test2 nameif--> Say burned in mac address is 6c41.6aa0.2222
  security-level 0
  10.2.1.1 IP address 255.255.255.0 ensures 10.2.1.2

  According to my understanding of the DOC.

  To transfer traffic, other devices will use the main unit mac address and IP addresses.

  Please consider under the scenario:

  My primary unit has failed and secondary took over as active unit.

  Primary (standby)

  Secondary (active)

  secondary Q1) so now will use the IP address and Mac address as below? Please confirm

  10.1.1.1 & 6c41.6bb0.1111

  10.2.1.1 & 6c41.6aa0.1111

  Q2) I believe that the ip address of the primary (Standby) in aid will be

  10.1.1.2

  10.2.1.2

  It will use what mac addresses? What is the BIA of the secondary unit? Please notify

  Thanks in advance.

  Q1 Yes), IP address and the MAC will be moving to the new active unit so no matter who the network except the switch will notice failover event

  Q2) Yes, primary (watch now) will use IP addresses and MAC addresses available for secondary:

  6C41.6bb0.2222

  6C41.6aa0.2222

  Kind regards.

• IP Phone Dot1x - database MAC addresses for the configuration of MAB

  Hi all

  I need to configure the MAB for IP phones on the ports that are active dot1x

  Can I keep the MAC address of IP phones elsewhere then on internal hosts of GBA?

  It is possible in the ad or something similar...?

  Kind regards

  Georges

  Hello

  You can use your AAA Watt database server racks until you set the mac addresses as users on these databases.

  Remember that the mac address and the password are the same and must match the format that it receives in the RADIUS access request.

  Example: If the AAA client (switch) sends the mac address of the format xxxxxxxxxxxx, and then you create the user with this format.

  If she sends in the xxxx.xxxx.xxxx format, then you must create the user in this way.

  Usually, he sends in the format xxxxxxxxxxxx, but worht to ensure.

  HTH,

  Tiago

  --

  If this helps you or answers to your question if it you please mark it as 'responded' or write it down, if other users can easily find it.