ccna wireless braindump

ccna wireless braindump.DTP is a Cisco-specific trunking protocol that supports five modes: on (or trunk), off, desirableauto, and no-negotiate0 In on and desirable modes, the interface will actively generate DTP messages; the default mode is autoo mode no-negotiate is used to connect to non-Cisco switches.On the 2960 switch, to configure trunking, use the command switchportmode; to verify trunking configuration, use the command show interfaces switchport|trunkoBy default, all interfaces belong to VLAN lo On the 2960 switch, to create a VLAN, use the command vlan in global configuration mode; to assign an interface to a VLAN, use the commands switchport mode access and switchport access vlan; to display the VLAN configuration, use the command show vlano12.6 Two-Minute SprintVLAN Overview. a VLAN is a group of devices within the same broadcast domain that have the same network number or subnet number. a VLAN is not restricted by physical location: users can be located anywhere on a switched network.. Static (port-based) VLAN membership is manually assigned by an administrator while dynamic VLAN membership is determined based on information about the user's device such as MAC address or 802.1X authentication credentials.. Access links connect to devices that support standard Ethernet frames and can belong to only one VLAN o Trunking connections tag frames and can belong to multiple VLANs O Only trunking is supported on ports that have trunking capabilities: not all Ethernet ports support trunking.. the IEEE 802.1Q is a standardized method of trunking and is only supported by the 2960 switch. 802.1Q inserts a VLAN tag in the middle of the frame and recalculates the checksum of the frame. It supports a native VLAN, and traffic for that VLAN is not tagged as it travels over the trunk link. On Cisco switches, the native VLAN defaults to VLAN lo.VTP is used to share VLAN information and to ensure that the switch's VLAN configuration is consistent.