[EMAIL PROTECTED] (Aaron) wrote in <[EMAIL PROTECTED]>:
>Hi, everyone!
>
>I have a question about the MAC layer address, and I use the Ethernet
>for making an example.
>
>We all know that the first 3 bytes of the 48-bit MAC address are
>indicate the vendor. Among the 3 bytes, the first is important, because
>the first 2- bit in this byte has special meanings that are I/G bit and
>U/L bit.
>
>I have a question about the following whether it is right:
>when we get a MAC address, such as 0030.b6f7.3000 (Cisco),
>1. Whether the I/G and U/L bit are already set to zero?
>2. When a multicast packet shoud be sent to this address, the
>destination address in the MAC packet header should be set to
>0130.b6f7.3000?
>
>Thank you for your help and there may be some understanding errors in
>the questions.
>
>thank you very much!
>
>
>
>
>_________________________________
>FAQ, list archives, and subscription info:
>http://www.groupstudy.com/list/cisco.html Report misconduct and
>Nondisclosure violations to [EMAIL PROTECTED]
>
_________________________________
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
