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• #2765 tusi_ addikt FecoGee #2763

  Új Válasz 2012-12-16 22:08:48 #2765

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  válasz FecoGee #2763 üzenetére

  CCNP OEG 103. oldal

  ■ trunk—This setting places the port in permanent trunking mode. DTP is still operational,
  so if the far-end switch port is configured to trunk, dynamic desirable, or dynamic
  auto mode, trunking will be negotiated successfully.
  The trunk mode is usually used to establish an unconditional trunk. Therefore, the
  corresponding switch port at the other end of the trunk should be configured similarly.
  In this way, both switches always expect the trunk link to be operational without
  any negotiation. You also should manually configure the encapsulation mode to
  eliminate its negotiation.
  ■ dynamic desirable (the default)—The port actively attempts to convert the link
  into trunking mode. In other words, it “asks” the far-end switch to bring up a trunk. If
  the far-end switch port is configured to trunk, dynamic desirable, or dynamic auto
  mode, trunking is negotiated successfully.
  ■ dynamic auto—The port can be converted into a trunk link, but only if the far-end
  switch actively requests it. Therefore, if the far-end switch port is configured to trunk
  or dynamic desirable mode, trunking is negotiated. Because of the passive negotiation
  behavior, the link never

  CCNP OEG 402.oldal

  Although DTP can make switch administration easier, it also can expose switch ports to
  be compromised. Suppose that a switch port is left to its default configuration, in which
  the trunking mode is auto. Normally, the switch port would wait to be asked by another
  switch in the auto or on mode to become a trunk.

  Tehát, ha van egy olyan kérdés, hogy mi a default, akkor az auto, mert az újabb switcek ezt támogatják? Itt a könyvben a csóka sem tisztázza le a kérdést ezzel

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