ccna was easy

ccna was easy.By default, all VLANs are associated with a trunk connection.VTP pruning is used to dynamically remove inactive VLANs on a trunk connection between two switches o This feature can only be enabled on VTP server switches, while other switches must be either servers or clients.VTP pruning can only be enabled on a VTP switch that is in server mode, and the other switch must be in VTP server or client mode. If the switch is in transparent mode, the VLAN must be manually pruned from its trunk connection.Figure 12.10 VTP pruning activates VLANs on trunk connectionsAuthentication H Tagging 12.0412.4 Configuring MIANUnlike Cisco routers, each Cisco switch comes with a default configuration, for example, some VLANs are preconfigured on the switch, such as VLAN1. Although names can be assigned to the VLANs, all VLAN configuration commands reference the VLAN number. By default, all switch ports are associated with VLAN1, and all traffic from the switch (VTP messages, Cisco Discovery Protocol (CDP) multicast (discussed in Chapter 16), and other traffic generated by the switch) originates from VLAN 10 Chapter 11 says that the 2960 switch's IP configuration is based on the VLAN interface to which you have configured an IP address.VLAN 1 is sometimes referred to as the management VLAN, although other VLANs can be used as management VLANs. typically, place all management devices (switches, manageable hubs, and management workstations) in a separate VLAN. If you decide to place the switches in other VLANs (rather than VLAN 1), it is recommended that you modify this configuration on all management devices so that they can be more easily protected. this is because other VLANs must pass through Layer 3 devices to access them, and on Layer 3 devices, you can create access control lists to filter out unwanted traffic (this is discussed in Chapter 21).Having all switches in the same VLAN is important because many of the switch's management protocols (such as CDP, VTP, and Dynamic Trunking Protocol [DTP], which will be discussed later in this chapter) run within the switch's management VLAN. If one switch has a management VLAN of VLAN 1 and another switch has a management VLAN of VLAN 2, much of the interaction between the two switches will not be possible.12.4.1 Configuring VTPWhen configuring VLANs on a switch, one of the first tasks to perform is to configure VTPo Table 12.3 lists the default VTP configuration for the 2960 switch. The next few subsections describe how to configure VTP on both switcheso