portfast bpduguard..

Discussion in 'Cisco' started by HPauly, Sep 8, 2005.

  1. HPauly

    HPauly Guest

    So given that bpduguard will disable, (possibly forever) ports upon
    receiving a BPDU.

    The question is: does portfast (on an access port) prevent BPDU from being
    sent?

    At issue is that I do not have administrative access to lets say switch A,
    but would like to add Switch B. if switch A has bpduguard enabled, and i
    treat the "link" on switch B as an access port with portfast, will that
    suppress BPDU's ?

    If not, how can STP be neutered ?
    HPauly, Sep 8, 2005
    #1
    1. Advertising

  2. HPauly

    Doan Guest

    On Thu, 8 Sep 2005, HPauly wrote:

    > So given that bpduguard will disable, (possibly forever) ports upon
    > receiving a BPDU.
    >
    > The question is: does portfast (on an access port) prevent BPDU from being
    > sent?
    >

    No. Portfast only enable the port to skip the learning and listenning
    states and go ahead to the forwarding state of STP. That is why when
    you enable portfast on an interface, you get a big warning about
    connecting the interface to end devices only!

    > At issue is that I do not have administrative access to lets say switch A,
    > but would like to add Switch B. if switch A has bpduguard enabled, and i
    > treat the "link" on switch B as an access port with portfast, will that
    > suppress BPDU's ?
    >
    > If not, how can STP be neutered ?
    >

    Disable STP on that port.

    Doan
    Doan, Sep 8, 2005
    #2
    1. Advertising

Want to reply to this thread or ask your own question?

It takes just 2 minutes to sign up (and it's free!). Just click the sign up button to choose a username and then you can ask your own questions on the forum.
Similar Threads
  1. Geert
    Replies:
    1
    Views:
    469
    Diesel
    Feb 2, 2004
  2. Gary
    Replies:
    3
    Views:
    2,136
    Kevin Widner
    Jul 16, 2004
  3. ants

    spanning tree portfast

    ants, Mar 9, 2005, in forum: Cisco
    Replies:
    2
    Views:
    35,820
  4. tony

    portfast

    tony, Sep 7, 2006, in forum: Cisco
    Replies:
    5
    Views:
    4,809
    BernieM
    Sep 8, 2006
  5. The Other Mike

    Portfast question

    The Other Mike, Sep 13, 2006, in forum: Cisco
    Replies:
    10
    Views:
    8,857
    Sam Wilson
    Sep 15, 2006
Loading...

Share This Page