Chapter 4: VTP CCNA ppt

Chapter 4: VTP Chapter 4: VTP CCNA Exploration 4.0 1 Overview Học viện mạng Bach Khoa - Website: www.bkacad.com 2 Small network Æ no problem Học viện mạng Bach Khoa - Website: www.bkacad.com 3 Large network Æ ?????? Học viện mạng Bach Khoa - Website: www.bkacad.com 4 VTP Học viện mạng Bach Khoa - Website: www.bkacad.com 5 VTP overview • VTP allows a network manager to makes changes on a switch that is configured as a VTP server. • Basically, the VTP server distributes and synchronizes VLAN information to VTP-enabled switches throughout the switched network which minimizes the problems caused switched network , which minimizes the problems caused by incorrect configurations and configuration inconsistencies. • VTP stores VLAN configurations in the VLAN database called vlan.dat. Học viện mạng Bach Khoa - Website: www.bkacad.com 6 Benefits of VTP Học viện mạng Bach Khoa - Website: www.bkacad.com 7 VTP Components Học viện mạng Bach Khoa - Website: www.bkacad.com 8 • VTP Domain-Consists of one or more interconnected switches. All switches in a domain share VLAN configuration details using VTP advertisements. A router or Layer 3 switch defines the boundary of each domain Layer 3 switch defines the boundary of each domain . Học viện mạng Bach Khoa - Website: www.bkacad.com 9 VTP mode Học viện mạng Bach Khoa - Website: www.bkacad.com 10 [...]... domain for VTP Client -VTP clients function the same way as VTP servers, but you cannot create, change, or delete VLANs on a VTP client A VTP client only stores the VLAN information for the entire domain while the switch is on A switch reset deletes the VLAN information You must configure VTP client mode on a switch VTP Transparent-Transparent switches forward VTP advertisements to VTP clients and VTP servers.. .VTP pruning Học viện mạng Bach Khoa - Website: www.bkacad.com 11 VTP advertisement Học viện mạng Bach Khoa - Website: www.bkacad.com 12 Terminology • • • • VTP Server -VTP servers advertise the VTP domain VLAN information to other VTP- enabled switches in the same VTP domain VTP servers store the VLAN information for the entire domain in... www.bkacad.com 28 Show vtp status: view revision number Học viện mạng Bach Khoa - Website: www.bkacad.com 29 VTP Modes Overview Học viện mạng Bach Khoa - Website: www.bkacad.com 30 VTP Mode Comparisions • • • VTP servers: – Create, modify, and delete VLAN and VLAN configuration parameters for the entire domain – VTP servers save VLAN configuration information in the switch NVRAM – VTP servers send VTP messages... Website: www.bkacad.com 17 VTP Domains Học viện mạng Bach Khoa - Website: www.bkacad.com 18 VTP Domains Học viện mạng Bach Khoa - Website: www.bkacad.com 19 VTP Domain Name Propogation Học viện mạng Bach Khoa - Website: www.bkacad.com 20 VTP Frame Structure Học viện mạng Bach Khoa - Website: www.bkacad.com 21 VTP Frame Structure Học viện mạng Bach Khoa - Website: www.bkacad.com 22 VTP message content Học... domain for the switch VTP Pruning Mode-Displays whether pruning is enabled or disabled VTP V2 Mode-Displays if VTP version 2 mode is enabled p y VTP version 2 is disabled by default VTP Traps Generation-Displays whether VTP traps are sent to a network management station station MD5 Digest-A 16-byte checksum of the VTP configuration Configuration Last Modified-Date and time of the last configuration... d t d t i di ti h in its t t – Only forwarding VTP advertisements, VTP is disabled on a transparent switch Học viện mạng Bach Khoa - Website: www.bkacad.com 31 VTP Pruning Học viện mạng Bach Khoa - Website: www.bkacad.com 32 VTP Pruning Học viện mạng Bach Khoa - Website: www.bkacad.com 33 VTP Pruning Học viện mạng Bach Khoa - Website: www.bkacad.com 34 VTP Configuration g Guidelines Học viện mạng Bach... traffic across all trunk links within a VTP domain even though receiving switches might discard them Học viện mạng Bach Khoa - Website: www.bkacad.com 13 Test your knowledge Học viện mạng Bach Khoa - Website: www.bkacad.com 14 Default VTP configuration Học viện mạng Bach Khoa - Website: www.bkacad.com 15 Default VTP configuration • • • • • VTP Version-Displays the VTP version the switch is capable of... Khoa - Website: www.bkacad.com 26 VTP packets Advertisement Requests • A switch needs a VTP advertisement request in these situations: – The switch has been reset · reset – The VTP domain name has been changed · – The switch has received a VTP summary advertisement with a higher configuration revision than its own own Học viện mạng Bach Khoa - Website: www.bkacad.com 27 VTP Revision Number • • • • • The... numbers in this chapter Maximum VLANs Supported Locally-Maximum number of VLANs supported locally Number of Existing VLANs-Number of existing VLANs VTP Operating Mode-Can b server, client, or t O ti M d C be li t transparent t Học viện mạng Bach Khoa - Website: www.bkacad.com 16 Default VTP configuration • • • • • • VTP Domain Name-Name that identifies the administrative domain for the switch VTP Pruning... NVRAM – VTP servers send VTP messages out to all trunk ports VTP clients: – Cannot create, modify, or delete VLAN information – This mode is useful for switches lacking memory to store large tables of VLAN information – The only role of VTP clients is to process VLAN changes and send VTP messages out all trunk ports VTP transparent mode: – Forward VTP advertisements but ignore information contained in the . Chapter 4: VTP Chapter 4: VTP CCNA Exploration 4.0 1 Overview Học viện mạng Bach Khoa - Website: www.bkacad.com. Website: www.bkacad.com 12 Terminology • VTP Server -VTP servers advertise the VTP domain VLAN information to other VTP- enabled switches in the same VTP domain. VTP servers store the VLAN information. configure VTP client mode on a switch. • VTP Transparent-Transparent switches forward VTP advertisements to VTP clients and VTP servers Transparent switches do not participate in VTP clients