Ch. 9 Implementing Virtual LANs Flashcards
From one perspective a ____ includes all the user devices servers switches routers cables and wireless access points in one location
LAN
_____ is a method to support multiple VLAMs allowing traffic from those VLAMs to cross a single link, either using the Cisco ISL protocol with IEEE 802.1 Q protocol
Trunking
A _____ includes all devices in the same broadcast domain
LAN
A _____ _____ includes a set of all LAN connected devices so that when any of the devices send a broadcast frame, all the other devices get a copy of the frame
Broadcast domain
Without _____ a switch considers all it’s interfaces to be in the same broadcast them
VLAN
With _____ a switch can configure some interfaces into one broadcast a main summits another creating multiple broadcast domains
VLANs
Creating smaller ____ has a number benefits including reduce CPU overhead reduced security risks improve security for hosts more flexible design quicker problem-solving and reducing the workload for spamming tree protocol
VLANs
When using VLANs in networks that have multiple interconnected switches, the switches need to use VLAN _______ on the links between the switches
Trunking
VLAN trunking causes the switches to use a process called VLAN ______ by which the sending switch adds another Header to the frame before sending it over the trunk
Tagging
VLAN ID
VLAN identifier
The use of _____ allows switches to pass frames from multiple VLANs over a single physical connection by adding a small header to the ethernet frame
Trunking
Cisco supported two different trunking protocols over the years ______ and ______
ISL (inter-switch link) and 802.1Q
ISL
Inter-switch link
Today the more popular trucking protocol is _____
802.1Q
VTP
VLAN trunking protocol
The rules for which switches can use extended range VLANs depends on the configuration of the ______
VTP (VLAN trunking protocol
802.1Q defines one special VLAN ID on each trunk as the _______ which is defaulted When A side sees a frame with no header
Native
The 802.1Q native VLAN provide some interesting functions, mainly to support connections to devices that do not understand
Trunking
Some LAN switches forward data based on layer two logic, which go by the name _____ __ _____
Layer 2 switch
Some switches can do functions like a router using additional logic defined by layer 3 protocols, these switches go by the name _____ _____ or layer 3 switch
Multilayer switch
When including VLANs and I campus LAN design, the devices in a VLAN need to be in the same _____
Subnet
layer 2 switches will not forward data between two
VLANs
The job forwarding data into and out of a VLAN fall to a ______
Router