windows Teaming

Posted on 2009-04-17
Last Modified: 2012-05-06
Hi ,

What is teaming concept in windows?

How many ips will be given to two nics that are teamed?

overall please explain the teaming concept.


Question by:phoenix26
    LVL 1

    Assisted Solution

    A new team interface (virtual) is created when the 2 interfaces are selected for teaming.  Generally there are 2 common configs for teamed interfaces, Fault Tolerant and Load-Balancing with Fault Tolerance.  The first one, only one physical interface in the team is used and the 2nd one is on standby and doesn't become active until the active fails.  The 2nd one, both interfaces are active and are load-balanced.  You can assign the team interface any number of IPs you want.
    LVL 23

    Accepted Solution


    Link aggregation or IEEE 802.1AX-2008, is a computer networking term which describes using multiple network cables/ports in parallel to increase the link speed beyond the limits of any one single cable or port, and to increase the redundancy for higher availability.
    Most implementations now conform to what used to be clause 43 of IEEE 802.3-2005 Ethernet standard, usually still referred to by its working group name of "IEEE 802.3ad". The Link Aggregation definition has since been moved to a standalone IEEE 802.1AX standard.
    Other terms for link aggregation include "Ethernet trunk", "NIC teaming", "port channel", "port teaming", "port trunking", "link bundling", "EtherChannel", "Multi-Link Trunking (MLT)", "NIC bonding", "Network Fault Tolerance (NFT)".

    NIC teaming is the process of grouping together several physical NICs into one single logical NIC, which can be used for network fault tolerance and transmit load balance. The process of grouping NICs is called teaming. Teaming has two purposes:
    " Fault Tolerance: By teaming more than one physical NIC to a logical NIC, high availability is maximized. Even if one NIC fails, the network connection does not cease and continues to operate on other NICs.
    " Load Balancing: Balancing the network traffic load on a server can enhance the functionality of the server and the network. Load balancing within network interconnect controller (NIC) teams enables distributing traffic amongst the members of a NIC team so that traffic is routed among all available paths

    LVL 23

    Assisted Solution


    Network interface cards (NICs) can also sometimes be trunked together to form network links beyond the speed of any one single NIC. For example, this allows a central file server to establish a 2-gigabit connection using two 1-gigabit NICs trunked together.
    Note that Microsoft Windows does not natively support link aggregation (at least up to Win 2003) [6]; however some manufacturers provide software for aggregation on their multiport NICs at the device driver layer. Intel, for example, has released a package for Linux called Advanced Networking Services (ANS) to bind Intel Fast Ethernet and Gigabit cards.[7] Nvidia also supports "teaming" with their Nvidia Network Access Manager/Firewall Tool.
    In Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X Server, OpenSolaris, Citrix XenServer, VMware ESX Server, and commercial Unix distributions such as AIX, Ethernet bonding (trunking) is implemented on a higher level, and can hence deal with NICs from different manufacturers or drivers, as long as the NIC is supported by the kernel.
    LVL 6

    Assisted Solution

    Just to add a little simplification to an already well answered question:

    Link Aggregation - configured with a switch/router that is capable and doubles the throughput. More layer 2-3 based.

    NIC Teaming - software configured to be a single "logical" nic. Usually only one IP assigned. Does not double throughput due to the fact that the nics still have to receive and read the packets and then the teaming implementation has to decide what to do with it.

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