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Dot1q & isl

the some important difference betweet dot1q and isl

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Re: dot1q & isl


  1. dot1q is the IEEE standard but isl is the cisco proprietary
  2. dot1q is inter operable with all other manufacturers but isl is only between cisco.
  3. Almost all the vendors started implementing dot1q
  4. cisco is going to discontinue isl in its future products.
With Regards,


Posted on Jan 26, 2008

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