Difference between revisions of "CCNA Explorer 3 VLANs"

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=3 VLANs=
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==3.1 Introducing VLANs==
 
{|
 
{|
 
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
 
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShot075.jpg|800px|left|thumb|VLAN security]]
 
|[[Image:ScreenShot075.jpg|800px|left|thumb|VLAN security]]
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShot076.jpg|800px|left|thumb|VLAN Characteristics]]
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|-
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|
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===3.1.2 Types of VLANs===
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{|
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|[[Image:ScreenShot077.jpg|800px|left|thumb|Data VLAN]]
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|-
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|[[Image:ScreenShot078.jpg|800px|left|thumb|Default VLAN]]
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|-
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|[[Image:ScreenShotNew019.jpg|800px|left|thumb|Nativ VLAN]]
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|-
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|[[Image:ScreenShotNew020.jpg|800px|left|thumb|Management VLAN]]
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|-
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|[[Image:ScreenShotNew021.jpg|800px|left|thumb|IP Phones in the Network]]
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|-
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|[[Image:ScreenShotNew022.jpg|800px|left|thumb|Inside an IP Phone]]
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|-
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|[[Image:ScreenShotNew023.jpg|800px|left|thumb|Sample Configuration]]
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|-
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|[[Image:ScreenShotNew024.jpg|800px|left|thumb|IP Telephony traffic]]
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|-
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|
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*Signaling traffic
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*Voice traffic
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|-
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|
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===3.1.3 Switch Port Membership Modes===
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{|
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|[[Image:ScreenShotNew025.jpg|800px|left|thumb|Switch port modes]]<br/>
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VLAN Membership Policy Server
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|-
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|[[Image:ScreenShotNew026.jpg|800px|left|thumb|Voice port Configuration]]
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|-
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|
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===3.1.4 Controlling Broadcast Domains with VLANs===
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{|
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|[[Image:ScreenShotNew027.jpg|800px|left|thumb|Broadcast domain with no VLAN segmentation]]
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|-
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|[[Image:ScreenShotNew028.jpg|800px|left|thumb|Controlling broadcast domains with VLANs and Routers]]
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|-
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|[[Image:ScreenShotNew029.jpg|800px|left|thumb|Controlling broadcast domains with L3 Switches]]
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|-
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|
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==3.2 VLAN Trunking==
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===3.2.1 VLAN Trunks===
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{|
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|Definition of a trunk: A trunk is a point-to-point link between two network devices that carries more than one VLAN.
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|-
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|[[Image:ScreenShotNew030.jpg|800px|left|thumb|VLAN Trunks]]
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShotNew031.jpg|800px|left|thumb|Without VLAN Trunks]]
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShotNew032.jpg|800px|left|thumb|With VLAN Trunks]]
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShotNew033.jpg|800px|left|thumb|802.1Q Tag Field]]
 
|-
 
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|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|'''3 bits of user priority''' - Used by the 802.1p standard, which specifies how to provide expedited transmission of Layer 2 frames.<br/>
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'''1 bit of Canonical Format Identifier (CFI)''' - Enables Token Ring frames to be carried across Ethernet links easily.<br/>
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'''12 bits of VLAN ID (VID)''' - VLAN identification numbers; supports up to 4096 VLAN IDs.
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShotNew034.jpg|800px|left|thumb|Nativ VLAN]]
 
|-
 
|-
|[[Image:ScreenShot072.jpg|800px|left|thumb|Before VLANs]]
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|[[Image:ScreenShotNew034.jpg|800px|left|thumb|Nativ VLAN Configuration]]
 
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|-
 
|
 
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Revision as of 16:49, 21 August 2010

3 VLANs

3.1 Introducing VLANs

Before VLANs
What is a VLAN?
What is a VLAN?
VLAN security
VLAN Characteristics

3.1.2 Types of VLANs

Data VLAN
Default VLAN
Nativ VLAN
Management VLAN
IP Phones in the Network
Inside an IP Phone
Sample Configuration
IP Telephony traffic
  • Signaling traffic
  • Voice traffic

3.1.3 Switch Port Membership Modes

Switch port modes

VLAN Membership Policy Server

Voice port Configuration

3.1.4 Controlling Broadcast Domains with VLANs

Broadcast domain with no VLAN segmentation
Controlling broadcast domains with VLANs and Routers
Controlling broadcast domains with L3 Switches

3.2 VLAN Trunking

3.2.1 VLAN Trunks

Definition of a trunk: A trunk is a point-to-point link between two network devices that carries more than one VLAN.
VLAN Trunks
Without VLAN Trunks
With VLAN Trunks
802.1Q Tag Field
3 bits of user priority - Used by the 802.1p standard, which specifies how to provide expedited transmission of Layer 2 frames.

1 bit of Canonical Format Identifier (CFI) - Enables Token Ring frames to be carried across Ethernet links easily.
12 bits of VLAN ID (VID) - VLAN identification numbers; supports up to 4096 VLAN IDs.

Nativ VLAN
Nativ VLAN Configuration