What is VTP?

canoeornithologistNetworking and Communications

Oct 26, 2013 (3 years and 9 months ago)

69 views

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE I Chapter 6

1

Implement VTP

LAN Switching and Wireless



Chapter 4

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

2

What is VTP?


Allow network manager to configure a switch so that it
propagate VLAN config to other switches


Only learn about normal

range VLAN (1
-
1005)



© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

3

VTP example

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

4

Benefit of VTP


Consistent VLAN configuration across the network


Accurate tracking and monitoring of VLANs


Dynamic reporting of added VLANs across a network


Dynamic trunk configuration when VLANs are added to
the network

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

5

VTP components: VTP Domain

All switches in a domain share VLAN configuration
details using VTP advertisements. A router or Layer 3
switch defines the boundary of each domain.

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

6

VTP Domain




© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

7

VTP mode


© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

8

VTP Mode


© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

9

VTP Pruning


VTP pruning increases network available bandwidth by
restricting flooded traffic to those trunk links that the traffic
must use to reach the destination devices.

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

10

Default VTP Configuration




VTP has three versions, 1,
2, and 3. Only one VTP
version is allowed in a VTP
domain.

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

11

VTP Advertisement


VTP exchanges domain and VLAN information
between switches in the same VTP domain





© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

12

Subset Advertisement


© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

13

VTP Request


© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

14

Common Problem with VTP
configuration

Incorrect VTP Domain Name:


Solution: Only set the VTP domain name on one VTP server switch

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

15

Common VTP Configuration Problem


© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

16

Incorrect Revision Number


“S4 is added with preconfigured VLAN values”

Eventually this info will be adopted and no traffic will be forwarded

© 2006 Cisco Sy stems, Inc. All rights reserv ed.

Cisco Public

ITE 1 Chapter 6

17

Lab1
-

Basic VTP Configuration


Lab2
-

Challenge VTP Configuration