Lecture Notes For CCNA

CHAPTER 7 - LAN SWITCHING

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

Port config switching

Software based

Frame switching

multiple simaltaneous
catalysts

Cell switching

atm, 53 byte cells

full duplex

bridges

switches

100baseX

2 class ii repeaters
tx = 100m fx=412 metres h. duplex

store &forward

used by catalyst

STP, STA

Vlans

cat 3000,5000
Inter switch link (ISL)
unique id header of each frame
id removed before exiting switch except via isl
data link layer
frame addresses change after each router

packet logical addresses do not change

Comments

Post a Comment

Popular posts from this blog

Run Commands Either Works in the Windows XP or Windows 7 or Both Operating Systems

 These Commands are very informative & have uses in our day works. Run Commands Listed below In Alphabetical Order Program Run Command Accessibility Controls access.cpl Accessibility Wizard accwiz Add Hardware Wizard hdwwiz.cpl Add/Remove Programs appwiz.cpl Administrative Tools control admintools Adobe Acrobat ( if installed ) acrobat Adobe Distiller ( if installed ) acrodist Adobe ImageReady ( if installed ) imageready Adobe Photoshop ( if installed ) photoshop Automatic Updates wuaucpl.cpl Basic Media Player mplay32 Bluetooth Transfer Wizard fsquirt Calculator calc Ccleaner ( if installed ) ccleaner C: Drive c: Certificate Manager cdrtmgr.msc Character Map charmap Check Disk Utility chkdsk Clipboard Viewer
Read more