MAC
From RZWiki
MAC is an acronym for Media Access Control, in relation to OSI Model Layer 2 addressing. For a list of MAC Organisationally Unique Identifiers (OUIs) that may help you identify the manufacturer of a device by it's MAC address, see this IEEE page: http://standards.ieee.org/regauth/oui/oui.txt
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Basic Data
Default MAC Ageing Time - Cisco: 300 seconds
Common OUIs
Virtualisation
| VMware ESX 3, Server, Workstation, Player | 00-50-56, 00-0C-29, 00-05-69 |
| Microsoft Hyper-V, Virtual Server, Virtual PC | 00-03-FF |
| Parallells Desktop, Workstation, Server, Virtuozzo | 00-1C-42 |
| Virtual Iron 4 | 00-0F-4B |
| Red Hat Xen | 00-16-3E |
| Oracle VM | 00-16-3E |
| XenSource | 00-16-3E |
| Novell Xen | 00-16-3E |
| Sun xVM VirtualBox | 08-00-27 |
Firewalls
VRRP
HSRP
GLBP
MAC is also an acronym for Message Authentication Code, in relation to data integrity and message authenticity in protocols such as SSL. See also: HMAC
Related Commands
To configure MAC address and address table parameters on a Cisco device, use the mac command
To display MAC addresses and address table parameters on a Cisco device, use the show mac-address-table command
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