What is numbered interface?

Discussion in 'Cisco' started by virus-bitten, Oct 18, 2006.

  1. virus-bitten

    virus-bitten Guest

    I need to work on cisco routers
    virus-bitten, Oct 18, 2006
    #1
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  2. By definition, a numbered interface is an interface which has a
    specific IP address assigned to it with a fixed subnet mask.

    For example:

    Interface atm0/0/0.132 point-to-point
    ip address 192.168.1.1 255.255.255.252

    As shown in this example, when RBE is deployed with a numbered
    interface, there should be a separate subnet for each subscriber.

    The host at the subscriber end should be configured for 192.168.1.2.

    There is only one host at the subscriber end.

    If the requirement is to support more than one host, the subnet mask
    chosen should accommodate more hosts.

    Numbered interfaces give the NAP control over the number of hosts the
    subscriber has connected behind the CPE.

    As explained above, this lack of control was a major problem in RFC1483
    bridging architecture.

    Hope this helps.

    Brad Reese
    BradReese.Com - Cisco Jobs
    http://www.bradreese.com/hot-jobs.htm
    1293 Hendersonville Road, Suite 17
    Asheville, North Carolina USA 28803
    USA & Canada: 877-549-2680
    International: 828-277-7272
    Fax: 775-254-3558
    AIM: R2MGrant
    BradReese.Com - Cisco Salary and Compensation Rates
    http://www.bradreese.com/compensation-database.htm
    www.BradReese.Com, Oct 18, 2006
    #2
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  3. virus-bitten

    virus-bitten Guest

    This was excellent!! thanks :)

    www.BradReese.Com wrote:
    > By definition, a numbered interface is an interface which has a
    > specific IP address assigned to it with a fixed subnet mask.
    >
    > For example:
    >
    > Interface atm0/0/0.132 point-to-point
    > ip address 192.168.1.1 255.255.255.252
    >
    > As shown in this example, when RBE is deployed with a numbered
    > interface, there should be a separate subnet for each subscriber.
    >
    > The host at the subscriber end should be configured for 192.168.1.2.
    >
    > There is only one host at the subscriber end.
    >
    > If the requirement is to support more than one host, the subnet mask
    > chosen should accommodate more hosts.
    >
    > Numbered interfaces give the NAP control over the number of hosts the
    > subscriber has connected behind the CPE.
    >
    > As explained above, this lack of control was a major problem in RFC1483
    > bridging architecture.
    >
    > Hope this helps.
    >
    > Brad Reese
    > BradReese.Com - Cisco Jobs
    > http://www.bradreese.com/hot-jobs.htm
    > 1293 Hendersonville Road, Suite 17
    > Asheville, North Carolina USA 28803
    > USA & Canada: 877-549-2680
    > International: 828-277-7272
    > Fax: 775-254-3558
    > AIM: R2MGrant
    > BradReese.Com - Cisco Salary and Compensation Rates
    > http://www.bradreese.com/compensation-database.htm
    virus-bitten, Oct 18, 2006
    #3
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