CM7/8.5 - Is MAC address for a device stored any other place other than device name?
We are interested in obtaining the MAC of a soft phone through a query to the RIS port. Everything is working fine as long as the MAC address that is written to the device name field by default is not changed by a user to read something else like machine name. Is there a field other than device name that we should be querying for a device to always be sure to get the MAC address of a device?
Currently the XML returned by the RIS port is parsed to get the CmDevices.Name. The returned MAC address is formed by returning this name minus any occurrence of the string "SEP".
Hi,
CNAME resource records are recommended for use in the following scenarios:
• When a host that is specified in an A resource record in the
same zone needs to be renamed
• When a generic name for a well-known server, such as www, must resolve to a group of individual computers (each with individual A resource records) that provide the same
service, for example, a group of redundant Web servers
Therefore please try to create your CNNAM record in the same zone and try again.
The related KB:
Adding, Changing, and Deleting Resource Records
http://technet.microsoft.com/en-us/library/cc779020(v=ws.10).aspx
Hope this helps.
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Similar Messages
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SG200-08 Loosing MAC addresses of connected devices
I have a SG200-08 Switch that has in the last month been acting up with certain types of traffic. On June 7, 2013 I installed the 1.0.6.2 firmware upgrading from 1.0.5.1. Updating the firmware has not helped.
Last week Tuesday a server that was connected to that switch disappeared from the network, looking at the trouble I had to reboot the server and traffic began to flow. After rebooting the server I found only 1 of 2 MAC addresses from the 1 NIC showing up on the port.
Today I have a Xerox Workcenter connected to the switch on another port and while working on changing settings on the device I stopping being able to reach the device, could not even ping it. I went into the switch port showed active, but no MAC address found in the dynamic table for that port. After rebooting the switch I could reach the Xerox again.
I rebooted the switch on Friday near the end of the day and it was doing better till this morning, all MAC addresses for connected devices were showing up OK. Is the device defective? It had been working OK previously, it is connected to another switch on port 1, and that shows a proper table of dynamic MAC addresses. In both cases of loosing a device it was being used not dormant or in any kind of low power mode.Dear Michael,
Thank you for reaching Small Business Support Community.
Based on the symptoms; SG200 working fine before, it seems to work ok after reboot, and latest firmware already installed. It seems to me like a hardware failure but still, in order to confirm, it would be a good idea to restore to factory conditions and configure it manually again. Just in case that does not help I suggest you to contact the Small Business Support Center for further assistance;
https://www.cisco.com/en/US/support/tsd_cisco_small_business_support_center_contacts.html
Please let me know if there is anything I can assist you with in the meantime.
Kind regards,
Jeffrey Rodriguez S. .:|:.:|:.
Cisco Customer Support Engineer
*Please rate the Post so other will know when an answer has been found. -
Cisco ip to mac address of a device?
What command can I run in CLI, to get a mac address that is associated with a provided ip address?
Context: In order to access wifi, users have to go through a web authentication. Upon submiting their credentials, we are able to see their ip address. We want to query router api with cli or something, to find a mac address based on the ip.
Any pointers?It is usually not possible for a person to get the MAC address of a computer from its IP address alone. These two addresses originate from different sources. Simply stated, a computer's own hardware configuration determines its MAC address while the configuration of the network it is connected to determines its IP address.
However, computers connected to the same TCP/IP local network can determine each other's MAC addresses. The technology called ARP - Address Resolution Protocol included with TCP/IP makes it possible. Using ARP, each computer maintains a list of both IP and MAC addresses for each device it has recently communicated with.
Most computers allow you to see the list of IP and MAC addresses that ARP has collected there. In Windows, Linux and other operating systems, the command line utility "arp" shows this information. Using "arp," you can in fact determine the MAC address of some computers from their IP address. ARP works only within the small group of computers on a local area network (LAN), though, not across the Internet. ARP is intended for use by system administrators and is not generally useful as a way to track down computers and people on the Internet. -
I need to change the MAC Address for Airport on MacBook
I have a specific need to change my son's Airport MAC address as his school requires the use of USB network cards that aren't compatible with MACs. These cards are needed because the school's router uses MAC address filtering.
Before we upgraded his Mac to Snow Leopard, we were able to change the MAC address to the MAC address of the useless dongal the school supplied. We basically created an AppleScript program that ran the "sudo ifconfig en1 ether xx:xx:xx:xx:xx:xx" and all was good.
This command no longer works for changing the MAC address. We tried it as root user as well and by typing it into the terminal window as root. After running the command, we can run "ifconfig en1" and it does display the new mac address but when we turn the airport on and try to connect, it just hangs and won't connect.
Our other non-Snow Leopard still works fine after running the commands so I'm guessing Apple disabled this functionality. It's hardly a security issue by being able to change your mac addres.
Is there a new way to accomplish this? I've searched everywhere.
Thanks!Would an easier solution be to provide the school's IT admin with your mac address and have it added? If they can add a block of mac addresses for the usb dongles, they can add more for machines that cannot use the dongle.
Also: "It's hardly a security issue by being able to change your mac address."
While it may not be a security issue for your machine, it is a security for the school network who is using mac address filtering as hopefully only one part of their wireless security.
That being said, have you read this?
http://osxdaily.com/2008/01/17/how-to-spoof-your-mac-address-in-mac-os-x/ -
ARP table not populating mac address for previously reachable IP address
Router has been online and working fine with one BGP neighbor for almost 2 years and no downtime. 2 weeks ago, added a 2nd BGP peer. Everything worked fine for 2 weeks, then all of a sudden yesterday the 2nd BGP peer is disconnected and does not come back. ISP checks and sees everything looks fine on their end. We cannot even ping each other now.
Upon investigation, the ARP table is not even populating the MAC address for the BGP peer IP anymore (same local subnet). Stays "incomplete" in the table no matter what we do, including clearing arp table, changing IP address, etc.
Plug a laptop directly into the 2nd BGP peer FE port and replicate the IP addressing. Laptop cannot ping Router, but Router CAN ping laptop. Check ARP table, but STILL no mac address assigned and now not even the ARP table showing "incomplete".
Thinking it could be the FE interface, switch to the 2nd FE interface and perform same laptop test, this time with arbitrary IP addressing. Now cannot ping each other, no MAC in ARP table.
End up rebooting the router and lo-and-behold, everything is working normally again. 2nd BGP peer peers up instantly.
I should also mention that the 1st BGP peer worked flawlessly throughout, taking all the Internet load and having no issues throughout.
Also, the FE ports for the 2nd BGP peer are on an HWIC FE card plugged into the router. The 1st BGP peer is plugged into the built-in GE interface. 2901 running: c2900-universalk9-mz.SPA.151-4.M4.bin
Lastly, no router resource issues, no error messages, no logs. Just the BGP peer disconnecting.
I have never, in 20 years working with Cisco routers seen something like this before. This is the most fundamental aspect of IP and Ethernet that was not working.
Has anyone ever seen this behavior before??
Here is the router config (IP's changed):
version 15.1
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
service internal
service sequence-numbers
boot-start-marker
boot-end-marker
logging buffered 150000
aaa new-model
aaa authentication login LAUTHEN local
aaa authentication login TAUTHEN local group tacacs+ enable
aaa authorization console
aaa authorization exec LAUTHOR local if-authenticated
aaa authorization exec TAUTHOR local group tacacs+ if-authenticated
aaa session-id common
clock timezone PST -8 0
clock summer-time PDT recurring
no ipv6 cef
no ip source-route
ip cef
no ip domain lookup
multilink bundle-name authenticated
username ubiadmin privilege 15 secret 4 .JbeuWXuZvchrG0OL.5BftFtqrrEyxcnVHn5rIuCnTk
username umitsnoc01 privilege 15 secret 4 cUmoRUjey9O1x.wk9S.kleX.iAAhCwihupr6Z98p6OA
redundancy
ip ssh version 2
track 1 interface GigabitEthernet0/0 line-protocol
class-map match-any AutoQoS-VoIP-RTP-Trust
match access-group name SIP-Media-INBOUND
class-map match-any AutoQoS-VoIP-Control-Trust
match ip dscp cs3
match ip dscp af31
class-map match-any Customer-Voice
match access-group name Customer-VPNs
class-map match-any media
match access-group name SIP-Media
class-map match-any signaling
match access-group name SIP-Signaling
policy-map AutoQoS-Policy-Trust
class AutoQoS-VoIP-RTP-Trust
priority percent 70
class AutoQoS-VoIP-Control-Trust
bandwidth percent 5
class class-default
fair-queue
policy-map queue
class signaling
bandwidth percent 5
class media
priority percent 50
class Customer-Voice
priority percent 40
class class-default
fair-queue
policy-map shape
class class-default
shape average 10000000
service-policy queue
interface Embedded-Service-Engine0/0
no ip address
shutdown
interface GigabitEthernet0/0
description BGP Peer 1
ip address 2.2.2.2 255.255.255.252
no ip redirects
ip flow ingress
ip flow egress
duplex auto
speed auto
service-policy output shape
interface GigabitEthernet0/1
description LAN
ip address 1.2.3.4 255.255.255.0
no ip redirects
ip flow ingress
ip flow egress
standby 255 ip 1.2.3.1
standby 255 priority 105
standby 255 preempt
standby 255 mac-address 1a2b.3c4d.5e6f
standby 255 track 1 decrement 10
duplex auto
speed auto
service-policy output AutoQoS-Policy-Trust
interface FastEthernet0/0/0
description BGP Peer 2
ip address 1.1.1.1 255.255.255.252
ip flow ingress
ip flow egress
duplex full
speed 100
service-policy output shape
interface FastEthernet0/0/1
no ip address
shutdown
duplex auto
speed auto
router bgp 7777
bgp router-id 2.2.2.2
bgp log-neighbor-changes
network 1.2.3.0 mask 255.255.255.0
neighbor 1.1.1.2 remote-as 5555
neighbor 1.1.1.2 update-source FastEthernet0/0/0
neighbor 1.1.1.2 prefix-list L3-DEFGW in
neighbor 1.1.1.2 route-map L3-LPREF-IN in
neighbor 2.2.2.1 remote-as 6666
neighbor 2.2.2.1 ebgp-multihop 2
neighbor 2.2.2.1 update-source GigabitEthernet0/0
neighbor 2.2.2.1 send-community
neighbor 2.2.2.1 prefix-list COLO-DEFGW in
neighbor 2.2.2.1 route-map COLO-LPREF-IN in
neighbor 2.2.2.1 route-map COLO-OUT out
ip forward-protocol nd
ip bgp-community new-format
ip as-path access-list 5 permit _5555_
ip as-path access-list 5 deny .*
ip as-path access-list 10 permit ^6666$
no ip http server
no ip http secure-server
ip flow-top-talkers
top 50
sort-by bytes
ip route 0.0.0.0 0.0.0.0 1.1.1.2 254 name L3
ip route 0.0.0.0 0.0.0.0 2.2.2.1 255 name COLO1
ip route 10.0.0.0 255.0.0.0 10.10.10.10 name FW_OUTSIDE
ip tacacs source-interface GigabitEthernet0/1
ip access-list standard SNMP_SOURCES
permit 12.12.12.0 0.0.0.255
deny any log
ip prefix-list L3-DEFGW seq 5 permit 0.0.0.0/0
ip prefix-list COLO-DEFGW seq 5 permit 0.0.0.0/0
ip prefix-list COLO-LPREF-OUT seq 5 permit 1.2.3.0/24
route-map COLO-LPREF-IN permit 5
match as-path 5
set local-preference 250
route-map COLO-LPREF-IN permit 10
set local-preference 150
route-map COLO-LPREF-IN permit 20
route-map COLO-OUT permit 10
match ip address prefix-list COLO-LPREF-OUT
set as-path prepend 7777 7777 7777
set community 29795:1004
route-map COLO-OUT permit 20
route-map L3-LPREF-IN permit 10
match as-path 10
set local-preference 200
route-map L3-LPREF-IN permit 20
set local-preference 150
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps vrrp
snmp-server enable traps flowmon
snmp-server enable traps transceiver all
snmp-server enable traps ds1
snmp-server enable traps call-home message-send-fail server-fail
snmp-server enable traps tty
snmp-server enable traps license
snmp-server enable traps envmon
snmp-server enable traps ethernet cfm cc mep-up mep-down cross-connect loop config
snmp-server enable traps ethernet cfm crosscheck mep-missing mep-unknown service-up
snmp-server enable traps flash insertion removal
snmp-server enable traps mac-notification
snmp-server enable traps aaa_server
snmp-server enable traps cef resource-failure peer-state-change peer-fib-state-change inconsistency
snmp-server enable traps memory bufferpeak
snmp-server enable traps config-copy
snmp-server enable traps config
snmp-server enable traps config-ctid
snmp-server enable traps event-manager
snmp-server enable traps hsrp
snmp-server enable traps cpu threshold
snmp-server enable traps rsvp
snmp-server enable traps syslog
snmp-server enable traps vtp
snmp-server enable traps ipslaWhen you were checking the ARP table was there an entry for Fast0/0/0?
HTH
Rick -
How do I find the Mac address for my 8900?
I have a wireless network and can't connect to it at all. I have looked and typed in Blackberries search engine and came up with nothing, only answers are about a MAC computer, not what I am looking for.
I have to add the Mac address to the wireless network in order to get past the firewall and this is not working for me, any ideas.
Thank you,
Animal
Raising teenagers is like trying to nail
jell-O to a tree!Found it,
Overview
To find the Media Access Control (MAC) address of a Wi-Fi® enabled BlackBerry smartphone, complete the following steps:
Click Options.
Click Status.
The WLAN MAC field displays the MAC address for the BlackBerry smartphone.
Raising teenagers is like trying to nail
jell-O to a tree! -
IP-4-ZERO_ADDR: Zero MAC address for ip in ARP cache
Could someone hlep me with this log message: IP-4-ZERO_ADDR: Zero MAC address for <ip> in ARP cache
It just started appearing in our Cisco 10012 CMTS, and all of the documentation is very vague as to what it is and how to fix it. I'm hoping someone else has seen the message and can help clarify it's meaning. Thanks in advance!Your not the only one with these logs mess :
Jan 20 13:05:10: %IP-4-ZERO_ADDR: Zero MAC address for 10.100.xxx.69 in ARP cache
Jan 20 13:30:02: %IP-4-ZERO_ADDR: Zero MAC address for 10.100.xxx.69 in ARP cache
I thing the reason is that someone has a worm or something ping-flooding/scanning the network, check your arp table for incompletes.
What to do about it, disable icmp on the network maybe, for now we dont have a problem on the network but would be nice to fix this thing.
Martin
DK -
E4200 v2 - Uses multiple MAC addresses for the same device
This unit seems pretty good at first but on looking at the Web interface I noticed that it was using multiple mac addresses for the same device and showing devices on the lan on the Wireless side and other odd things.
After a week of running it the home server network started to get erratic, it would seem to all point to dns and dhcp issues in the router.
Seems the V1 had the same issues that they did not fix on this.
The Cisco connect software shows 5 devices the Web based utility shows 3??.
Its pretty bad that they charge nearly $200 and cannot be bothered to finish the unit or address the issues that were in V1.I am afraid I didn't get the clear picture of the issue mentioned in the post. Could you please elaborate a little bit? If you connect a device/computer wired and then later you connect it wirelessly. It is obvious that you would get to see two different MAC addresses for the same device, one for the LAN adaptor and other one for WLAN adaptor. If that is what you are referring to?
Secondly, may I know, what issues did you face with DNS and DHCP in the router? Is it not able to resolve the DNS or something else or DHCP is not sending IP address to the clients? -
Need to change mac address for msi 9211
Hello All.
I need to change my msi 9211 server mac address to be same as some other server for some licensing issues, this server doesnt have a floppy so i guess i ll need to boot it via cd or something.
what software is required?
anyone can be help, will be appreciated/rewarded
thanks
pls reply to [email protected]Hi,
Please contact MSI or Local supplier direct on this issue.
This is an END USER forum run by END USERS, we do not have access to MSI licencing policies..........
Del -
How do I find the MAC address for the time capsule?
I am trying to install 2T time capsule as my main router. Telus my internet supplier allows me to in install the MAC address for the static ip that I am going to use. But where is the MAC address on the cube or how do I get it?
On the bottom label it should list the MAC address.
If you happen to still run the original.. ie decent airport utility it has all that info right in front of you.
But you see that was before Apple reduced the airport utility to the status of a toy..
Pretty pictures no info.. think kid's book.
See very very pretty.. as a UTILITY though.. useless. -
MAC Address for iPhone on Network?
In order to keep riffraff from sniping my wireless internet connection, I am setting my network connections to only allow the specific MAC addresses of the computers in my home to connect to the internet. Do I have to do the same thing to my iPhone? If so, where would I find the MAC address for my iPhone?
Settings/General/About/WiFi Address.
-
I have just received my first Apple product and need to get the device MAC address for my router connection. Can anyone tell me how to get it.
Settings->General->About->WiFi Address is your mac address.
-
How do you find the phone's mac address for Droid RAZR Maxx HD?
how do you find the phone's mac address for Droid RAZR Maxx HD?
Ann154 wrote:
WalrusM wrote:
how do you find the phone's mac address for Droid RAZR Maxx HD?
It is listed under the advanced options for the WiFi settings or About Phone > Status within the phone's settings
Motorolas list them under About Phone > Status.
Edit: Oh, snap! It is listed in both places. Nevermind! Please excuse! -
How to find MAC address for WAN port for Airport Express 2nd Gen.
The New Airport Express has a LAN and a WAN ethernet ports. How can I find the MAC address for the WAN ethernet port as my Service Provider needs it for provisioning....I can fid MAC address for Ethernet and for two wireless 2.4 & 5GHz but not for WAN ethernet port using Airport Utility 6.1
Many thanks for the swift response. However, there is no WAN MAC address on the box or on the device anywhere. I even used magnifying glass to find one .
The airport utility shows only three mac addresses. One for 2.4GHz, one for 5GHz and one fo the ethernet (LAN port) whereas there is another ethernet port in the device mentioned as WAN port and I am still not able to find the MAC address for the WAN ehternet port for Airport Express (2nd Generation).
Will appreciate a response to make th device work wiht my service provider as providing them the WAN mac address is a must. Had there been an option for cloning mac address, the issue would have not been there.
Many thanks again - in advance. -
MAC address for HP PRO CP1525NW
I want to enforce MAC filtering in my router.The OS is win7 home pro 64 bit.
How do I find the MAC address for my CP1525nw printer? It is not on the label, and the router reports only the name of the printer.
This question was solved.
View Solution.First, MAC filtering is not a security measure because it is so easily defeated. Read more here: http://blogs.zdnet.com/Ou/?p=43
If you want to continue, print a self test from the front of the printer: Reports > Config Report. It will be listed as the Hardware address.
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP
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