MAC address and router access control

My iPhone 3GS can only access the network (through my Netgear KWGR614 wireless router) when the router's MAC address access control is off. When I turn it on the phone is blocked. The MAC address I use is taken from the iPhone settings. It begins with 64. All other MAC addresses I have ever seen begins with 00. Is this MAC address correct? If it is right, could it be that the router can't handle this address?

The first 3 bytes of the mac address identifies the manufacturer. For example, mine starts with 04:1e:64 which is Apple
04-1E-64 (hex) Apple, Inc
041E64 (base 16) Apple, Inc
1 Infinite Loop
Cupertino CA 95014
UNITED STATES
. if it starts with 64 then it belongs to
64-4F-74 (hex) LENUS Co., Ltd.
644F74 (base 16) LENUS Co., Ltd.
18-5 Gwacheon-Dong
Gwacheon Gyeonggi-Do 427-060
KOREA, REPUBLIC OF
check this list : http://standards.ieee.org/regauth/oui/index.shtml
enter your first 3 numbers (first 3 pairs) from your wifi (settings/general/about) (don't use colons in the search)
Not sure about the router as I never tried mac filtering. Each router will behave differently.
Hope this helps.

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Need to add MAC address to router

Any ideas on when you get an error message and how I remove the ACL (access control list)
Try to setup the extender on the same room where the router is installed.
- If MAC Access list of MAC Filtering is enabled on the router, make sure to add the MAC address of the extender.
- Try to turn off and turn on all of your devices to refresh the network.
Need to add MAC address to router somehow
I am tryign to follow Netgears's kb
http://kb.netgear.com/app/answers/detail/a_id/22034

What model Fios router do you have?
If it's an Actiontec I belive you cannot do what you are attempting to do as it's not supported on that router
See
https://forums.verizon.com/t5/Home-Networking/Actiontec-router-does-not-support-wireless-range-exten...

Can we do MAC Address based routing in ASA5540

I have a network setup where two servers from inside need to communicate with a remote network via 2 VPN gateways. The destinations are same.
However, the chalange is each server need to follow it's own VPN gateway. Since i can't configure PBR (policy based routing) in ASA, can i configure something like MAC Address based routing. I can't use destination based routing since the remote network are reachable from the both VPN Gateways.
Advise needed.
Thanks in advance.
Regards,
R.Siva
Network Security Engineer.

Hi
I am not shure i follow you correct here.
You want 2 servers to speak to the same network but over two different vpn units ?
If this is so then this could work
Just set the route to the other network on server 1 to the vpn gate 1
and route the other network from server 2 to the vpngate 2.
in windows the command is route add.
good luck
hth

Cannot determine MAC address of connected Access Point using Access Connections version 5

I recently installed the newst version of Access Connections (version 5) and discovered I am unable to determine the MAC address of the connected access point. The 'Graphical' screen shows the SSID, IP address of client etc - but does not show the MAC address of the access point. The 'Details' screen shows the MAC address of the access points - but the radial button on the left does not indicate the cfurrently associated access point.

Is it the switch where the node is directly connected ?
Is the NIC at node side, working fine ?
Another fact to consider is, a mac will wipe itself out after the MAC-age timeout.
Parvesh

Finding OLD MAC address through Router.

Sir,
I lost my laptop (Dell Inspiron 5521 15r) and only have its box which contains serial number 6CRC9W1 , order number 920181961 and etc but dont have MAC address. I asked dell about that but they are not helping me to get mac. Please tell me if there is any
way to get old mac addresses through router to which my laptop was connected. Thanks.

You can't. There is no way to know what the MAC was.
The MAC is tied to the network adapter, not the Laptop, and hence not the Service Tag. Since the Laptop probably had a wired adapter and a wireless adapter,...there would have been two different MACs.
What good would it be even if you knew what it was?

MAC Addresses in routed datagrams

Hi,
I am due to teach some pupils the basics of MAC Addresses/IP Addresses and routing soon and I have a (hopefully) quick question which I am hoping someone here can help me with.
When a frame is placed out onto a public network is has a destination MAC Address. Is this address the MAC address of the next hop or the address of the final destination. If it is the next hop then am I right in assuming that the once the frame reaches the next router, the frame is unpacked to obtain the IP address from the layer 3 headers, and a new layer 2 frame is assembled with the MAC address of the next router to which the frame is to be sent.

Hello robertfl00k
When a frame is placed out onto a public network it will be having destination Mac Address of the next hop. When that frame will be received by the router, then it will remove the layer 2 information and check its routing table for the destination ip address. If destination will be available there in the routing table then it will attach new layer 2 information and forward that data to next hop.
Regards,
Mukesh Kumar
Network Engineer
Spooster IT Services

Reports for Apple devices with SCCM client - Mac Addresses and IP information.

Greetings.
I've been having an interesting problem.
I am currently running SCCM 2012R2 with PKI and have clients installed on windows, linux (ubuntu mostly) and apple computers successfully.
I have created custom report proving me with hardware information for windows and linux machines (Serial numbers, manufacturer, Mac Addresses and IP addresses) successfully.
So far I wasn't able to create any report or even find what table information about Apple computers MAC and IP addresses is stored.
If i go to Apple computer in SCCM using resource explorer under hardware I can see network devices, so that information is definitely gathered by SCCM in some way.
Can anyone help me out with this and maybe I am doing this in a wrong way?

Nice. Only trouble there seems to be multiple entry for same mac address there for same resource id.
So when I try to get them as substring i get multiple copies of same mac address.
But looks like this will work as solution to this problem.
So far I was doing it this way (And i am sure there is clearer way to do it.)
SUBSTRING((SELECT ',' + CAST(t2.MACAddress0 AS VARCHAR(40))
            FROM (SELECT DISTINCT ResourceID, MACAddress0 FROM v_GS_NETWORK_ADAPTER) t2
            WHERE t2.ResourceID = ResourceID
            ORDER BY t2.ResourceID, t2.MACAddress0
            FOR XML PATH ('')
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Mac address and Serial Number

Hello all,
my Macbook pro was robbed last weekend, i wanna know if is possible to get the MAC Address of my Macbook if i have the serial number, i wanna try to locate my Mac by that way, but i dont have the mac address, just keep with me the serial number of...
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OK, I know that.
I'm in Chile, and I have contacts on a local ISP, they use for all its connections a relation between MAC address and modems, any other computer can't use that connection if that association is not changed.
My hope is that my Macbook will be use with that ISP, for that the thief would have to give the MAC Address ... so I can get the bad boy name...

MAC address and the CAM entries on the Layer 3 FWSM(Transparent mode)

Hi,
With refrence of Cisco Secure Firewall Services Module (FWSM) of Cisco Press book it's mentioned that
"While configuring the transparent mode in FWSM, it is important to specify the MAC address and the CAM entries on the Layer 3 next hop device of FWSM."
This part of configuration is not very much clear to me please let me know the logic of this things
The following are two examples:
Layer 3 Device A (PFC) at the Outside Security Domain
! IP address of the next hop for the outside security domain
interface Vlan20
mac-address 0000.0000.0001
ip address 10.10.1.1 255.255.255.0
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! of the inside security domain
arp 10.10.1.21 0000.0000.0001 ARPA
Layer 3 Device B at the Inside Security Domain
! IP address of the next hop for the inside security domain
interface Vlan21
mac-address 0000.0000.0021
ip address 10.10.1.21 255.255.255.0
! Specify the IP address and MAC address defined at the first hop interface
! of the outside security domain
arp 10.10.1.21 0000.0000.0002 ARPA
Regards
Chris

Check the serial # reported by Sys Info against the serial # printed on the bottom of the case. I bet they are not the same. The service center did not change the serial # on that new Logic board to match the REAL serial number of your Mac.
So when you try to go to the MAS it looks like a completely different Mac which is not registered under your Apple ID.
If the above is true, the serials being different, then you need to take it back and have that changed to your REAL serial number.

How to detect MAC address and IP address

Hi,
I'm still student. I have my holiday project which i need to build a program to monitor the usage of instant messenger in a LAN system. I need to know how to detect the MAC address and IP address of a pc(no wireless using). Besides, i also need to find out the IM port. Please help me to improve my skill in java. (if ladies and gentlemen have any book. Please recomment to me).
Thanks
From,
lwfoon

http://onesearch.sun.com/search/onesearch/index.jsp?qt=get+mac+address&subCat=siteforumid%3Ajava31&site=dev&dftab=siteforumid%3Ajava31&chooseCat=javaall&col=developer-forums
http://onesearch.sun.com/search/onesearch/index.jsp?qt=get+IP+address&subCat=siteforumid%3Ajava31&site=dev&dftab=siteforumid%3Ajava31&chooseCat=javaall&col=developer-forums
You get the idea.

Mac addresses and switchports

Hi all, am i correct in saying a mac address cannot exist on more than one port on a lan, except for the uplink ports leading to that mac address ?

That is correct. Each NIC will have a globally unique MAC address and that NIC can only be connected to a single port. So, with the exception of uplink ports, a given MAC address can only be on one port.
Hope this helps. If so, please rate the post.
Brandon

Ping problem in the neighborhood and Msan can see the mac address of router

Hi everyone
i have a router 1941/K9 with card EHWIC-4SHDSL-EA ,i have configure this card in my router , the problem is I can not ping the ip @ Neighbourhood and the MSAN can't also see the mac-address of the router do you notice that the interface in the MSAN and in the router is UP / UP
anybody help me

Hi,
An ethernet interface will be always up/up and it goes down only if there is problem between the given port and the connected one. The issue can be anywhere else in the middle.

Mac Address and Filter and Broadcast

i have an Airport Extreme and want to:
1 - Do not broadcast the wireless router name;
2 - Filter by Mac Address the access to my wireless network;
Thank You,
Paulo.

Welcome to the discussion area, PauloGuedes!
1 - Do not broadcast the wireless router name;
Open AirPort Utility - Click Manual Setup
Click the Wireless tab below the row of icons
Click Wireless Network Options
Enter a check mark next to "Create a closed network"
Click Done, then click Update
2 - Filter by Mac Address the access to my wireless network;
Open AirPort Utility - Click Manual Setup
Click the Access Control tab
MAC Access Control = Timed Access
Click the + (plus) button at the bottom of the Access Control list to add the MAC address of each device that you want to allow to connect
Click Update
For more information, click on the Help menu at the top of the screen and enter the following in the search box: +Controlling access to your wireless network+. You can also reference pages 47-48 in the Apple AirPort Networks Guide.

Time Capsule Loses DHCP IP Address and Cannot access Internet

My set up: Astound Cable Modem -> Belkin Router ->TC broadcasting wireless to 2 Apple TVs, 2 AE n units. Up until recently, we were experiencing periodic loss of internet access and rebooting the cable modem and router would get us up and running. After the 7.4.1 Airport update, the TC has been losing its DHCP assigned IP (from the router) and self-assigning an invalid address. If I am tied into the router via ethernet, I can access the internet just fine. However, using the wireless from TC, that is not the case.
I have invested a lot of time and effort into setting up a worry-free wireless network and back up solution for our two laptops, 2 iPhones and Apple TVs. Something has really gone wrong of late. I work from home quite a bit and rely on a VPN connection to remain in touch with the office. Having to restart the network every half hour or so, is not conducive to productivity!
I have tried a number of solutions on these boards, but nothing sticks. I really do not know where to go for help. Drag all the components down to the Genius bar? How do they emulate my specific set up? I suppose they could verify my TC set up is correct? But it is pretty basic: creates a network/bridge mode/serves as a TM back up source for our laptops - works by direct ethernet connect, but not wirelessly. This last problem may be a function of the image bundle name: it includes the MAC address which is different depending on whether we are accessing by ethernet or airport. Not sure about that one…
Anyway, we are really in need of expert advice and I just wanted the forum to know this easy stuff ain't so easy after all! And, that I appreciate all the help I can get from the good people who frequent this place that actually know what they are doing! Unlike me.
Any advice is welcome.

I removed the Belkin router and set up the Airport Time Capsule as the DHCP server. No problems since.

Designing a network with 6 base stations and an Access control lists

I have 6 airport extreme (802.11n) base stations setup in my studio.
I'm a little concerned about security as they're all setup individually (wireless mode: Create a wireless network) with the same Network names (mystudio) and WPA/WPA2 personal password so my roaming users don't have to keep entering passwords / experience dropouts etc
i have lots of freelancers who are in and out of the studio and there isn't anyway for me to monitor who is currently connected to my wifi network.
i'd like to setup a wireless network that only allows you to connect to the WIFI network only if your MAC address is on the access control list.
is this possible with Apple Airport extreme base stations or would it be a better idea for me to invest in a 3rd party product?
all the base station are connected to an Ethernet point and have static IP's assigned to them.
whats the best way to deploy such a solution;should i keep the setting as they are and manually enter the mac address for 30 portable machines on each base station or is there a more pragmatic solution...
any help / input would be much appreciated.
Thank You

When employing Access Control in a roaming network configuration, the MAC addresses would be required to be entered atr each of the base stations ... as there is no means (unfortunately) to have them "automatically" migrate amongst them.
However, one important thing to note. Only wireless security, using WPA or WPA2, will actually secure the wireless network. MAC addresses can easily be spoofed. Someone, determined to do so, can still access your network ... even if secured by Access Control.

MAC address and router access control

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