Posts Tagged ‘ fast ethernet

Ethernet 802.3 Networks 05 August 2008 at 1:57 pm by admin

Interframe Spacing:

Minimum spacing between 2 frames following each other on the line.
Time for media to stabilize and devices to process frame.
From the last bit of FCS to the first bit of the Preamble.
96 bit times (9.6 microsec)– time shortens as speed increases.
As we speed up, gap gets shorter as the bits get shorter.
Allows time for slow hosts to process frames.

A = Start Frame Field.
B = Address Field.
C = Type/Length Field.
D = Data Field.
E = FCS Field.
Read the rest of this entry →

Tags: switch, ip, study, router, 802.1q, interface

+ cisco IOS command basics By admin 20 June 2008 at 11:43 pm and have Comments Off

Bitmindframes cisco study guides.

This will show you the basics of the cisco IOS command line interface and the different modes.

After several lines of information on the screen you should eventually see:
Would you like to enter the initial configuration dialog? [yes/no]: n

On some routers and switchesyou may see the following message.
Would you like to terminate autoinstall? [yes/no]: y Router> or Switch>

Privilege Mode
Router> enable
If you are prompted for a password type: class or if that does not work, type cisco

Use the “?” to view the list of available commands or command options
Router> ?

Read the rest of this entry →