WHAT IS FRAME RELAY 2023
WHAT IS FRAME RELAY 2023 Frame relay is a layer 2 protocol that is used to connect LANs i.e. local area networks and transfer data over WANs i.e. Wide Area Network. It shares data over the WAN using X.25 technology.
Consider three routers –R1, R2 and R3 as shown in the figure below WHAT IS FRAME RELAY 2023:
How does it work?
Frame Relay uses special hardware components including frame routers, bridges, and switches that are used to forward traffic from multiple connections over a shared physical link. Each connection uses a ten-bit (10-bit) DLCI, i.e. a Direct Connection Identifier for unique channel addresses.
A practical implementation of Frame Relay
Frame relay is a computer network structure that allows a fast and efficient way to transfer frames from one device to another. These frames or packets of data are typically sent between local area networks (LANs) within a wide area network (WAN).
The way frames are sent is like a relay – data is passed from one router or node to another, from where it is then sent to another node or router.
It is a relatively inexpensive technology, although alternative structures such as virtual private networks (VPNs) or multiprotocol label switching (MPLS) are often preferred.
With its rich High-Level Data Link Control (HDLC) capabilities, frame relay provides basic call setup along with routing and delivery of variable-length packets WHAT IS FRAME RELAY 2023.
What it does not provide is correction and end-to-end data recovery.
These features must be available in applications that use the protocol to transfer information WHAT IS FRAME RELAY 2023.
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
The Frame relay protocol is modeled after packet switching technologies, similar to x.25, which provide a way for end stations to dynamically share network media and bandwidth.
There are basically two variants of this protocol. One is based on Q.922 LAPF, the standard and most widespread deployment. The second corresponds to LMI specifications and is used less frequently.
Although frame relay does not ensure data integrity or drop packets to prevent network congestion, it is still capable of delivering data with a high degree of reliability.
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Frame Relay networks transmit frames to their destination via virtual circuits WHAT IS FRAME RELAY 2023.
There are two types of virtual circuits — permanent virtual circuits (PVCs) or switched virtual circuits (SVCs). SVCs are established on a call-by-call basis. Virtual circuits, clearly identified by a Data Link Connection Identifier (DLCI), provide two-way communication paths from one end device to another.
In a frame relay network, a number of virtual circuits can be used to send multiple messages simultaneously across a single physical circuit. This capability often reduces the amount of network equipment needed. It also reduces costs while providing secure, private IP-based networks.
Frame relay is a viable alternative for data transmission. Although it cannot guarantee data integrity, most of the protocols it supports are integrated with their own set of error correction mechanisms WHAT IS FRAME RELAY 2023.
As a result, the frames are able to travel at exceptional speed and arrive at their destination with minimal delay.
This factor gives it many of the same qualities as a direct leased circuit connection, only at a significantly lower cost.
Frame relay is a computer network structure that allows a fast and efficient way to transfer frames from one device to another. These frames or packets of data are typically sent between local area networks (LANs) within a wide area network (WAN WHAT IS FRAME RELAY 2023).
The way frames are sent is like a relay – data is passed from one router or node to another, from where it is then sent to another node or router. It is a relatively inexpensive technology, although alternative structures such as virtual private networks (VPNs) or multiprotocol label switching (MPLS) are often preferred WHAT IS FRAME RELAY 2023.
With its rich High-Level Data Link Control (HDLC) capabilities, frame relay provides basic call setup along with routing and delivery of variable-length packets. What it does not provide is correction and end-to-end data recovery. These features must be available in applications that use the protocol to transfer information.
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
The Frame relay protocol is modeled after packet switching technologies, similar to x.25, which provide a way for end stations to dynamically share network media and bandwidth.
There are basically two variants of this protocol. One is based on Q.922 LAPF, the standard and most widespread deployment WHAT IS FRAME RELAY 2023.
The second corresponds to LMI specifications and is used less frequently. Although frame relay does not ensure data integrity or drop packets to prevent network congestion, it is still capable of delivering data with a high degree of reliability WHAT IS FRAME RELAY 2023.
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Frame Relay networks transmit frames to their destination via virtual circuits. There are two types of virtual circuits — permanent virtual circuits (PVCs) or switched virtual circuits (SVCs).
SVCs are established on a call-by-call basis. Virtual circuits, clearly identified by a Data Link Connection Identifier (DLCI), provide two-way communication paths from one end device to another.
In a frame relay network, a number of virtual circuits can be used to send multiple messages simultaneously across a single physical circuit. This capability often reduces the amount of network equipment needed. It also reduces costs while providing secure, private IP-based networks WHAT IS FRAME RELAY 2023.
Frame relay is a viable alternative for data transmission. Although it cannot guarantee data integrity, most of the protocols it supports are integrated with their own set of error correction mechanisms. As a result, the frames are able to travel at exceptional speed and arrive at their destination with minimal delay. This factor gives it many of the same qualities as a direct leased circuit connection, only at a significantly lower cost.
Implementation of Frame-Relay on 3 routers
The diagram above shows the various routers with their implemented settings WHAT IS FRAME RELAY 2023.
The three routers have the following configurations:
Router R1 has the following configurations: –
Interface 0/0/0.1 (to establish frame relay connection with R2)
IP 172.168.1.1/24
DLCI 100
Interface 0/0/0.2 (to establish frame relay connection with R3)
IP 172.168.3.1/24
DLCI 300
Router R2 has the following configurations: –
Interface 0/0/0.1 (to establish frame relay connection with R1)
IP 172.168.1.2/24
DLCI 101
Interface 0/0/0.2 (to establish frame relay connection with R3)
IP 172.168.2.1/24
DLCI 200
Router R3 has the following configurations: –
Interface 0/0/0.1 (to establish frame relay connection with R1)
IP 172.168.1.2/24
DLCI 201
Interface 0/0/0.2 (to establish frame relay connection with R3)
IP 172.168.2.1/24
DLCI 301
How to configure frame relay?
Below are the commands to configure frame relay on R1
R1(config-if)#interface Serial0/0/0
R1(config-if)#no shut
R1(config-if)#encapsulation frame-relay
R1(config-if)#exit
R1(config)#
R1(config-subif)#interface Serial0/0/0.1 point-to-point
R1(config-subif)#ip address 172.168.1.1 255.255.255.0
R1(config-subif)#frame-relay interface-dlci 100
R1(config-subif)#exit
R1(config)#
R1(config)#interface Serial0/0/0.2 point-to-point
R1(config-subif)#ip address 172.168.3.1 255.255.255.0
R1(config-subif)#frame-relay interface-dlci 300
Below are the commands to configure frame relay on R2
R2(config-if)#interface Serial0/0/0
R2(config-if)#no shut
R2(config-if)#encapsulation frame-relay
R2(config-if)#exit
R2(config)#
R2(config-subif)#interface Serial0/0/0.1 point-to-point
R2(config-subif)#ip address 172.168.1.2 255.255.255.0
R2(config-subif)#frame-relay interface-dlci 101
R2(config-subif)#exit
R2(config)#
R2(config)#interface Serial0/0/0.2 point-to-point
R2(config-subif)#ip address 172.168.2.1 255.255.255.0
R2(config-subif)#frame-relay interface-dlci 200
Below are the commands to configure frame relay on R3
R3(config)#interface Serial0/0/0
R3(config-if)#no shut
R3(config-if)#encapsulation frame-relay
R3(config-subif)#interface Serial0/0/0.1 point-to-point
R3(config-subif)#ip address 172.168.2.2 255.255.255.0
R3(config-subif)#frame-relay interface-dlci 201
R3(config-subif)#exit
R3(config)#interface Serial0/0/0.2 point-to-point
R3(config-subif)#ip address 172.168.3.2 255.255.255.0
R3(config-subif)#frame-relay interface-dlci 301
R3(config-subif)#exit
Result:
Router R1 is connected to R2 and R3 where the frame relay DLCI configured on R1 is 100 for R2 and is configured with 300 for R3 which is used to connect them over the network without any routing protocol.
Frame relay result from router R1
Router R2 is connected to R1 and R3 where the frame relay DLCI configured on R2 is 101 for R2 and is configured with 200 for R3 which is used to connect them over the network without any routing protocol.
Frame relay result from router R2
Router R3 is connected to R1 and R2 where the frame relay DLCI configured on R3 is 201 for R2 and is configured with 301 for R1 which is used to connect them over the network without any routing protocol WHAT IS FRAME RELAY 2023.
Conclusion:
From the above results, it can be seen that routers R1, R2, and R3 are able to communicate with each other over a Wide Area Network (WAN) using the Frame Relay protocol.
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Frame relay is a computer network structure that allows a fast and efficient way to transfer frames from one device to another. These frames or packets of data are typically sent between local area networks (LANs) within a wide area network (WAN).
The way frames are sent is like a relay – data is passed from one router or node to another, from where it is then sent to another node or router. I
t is a relatively inexpensive technology, although alternative structures such as virtual private networks (VPNs) or multiprotocol label switching (MPLS) are often preferred.
With its rich High-Level Data Link Control (HDLC) capabilities, frame relay provides basic call setup along with routing and delivery of variable-length packets WHAT IS FRAME RELAY 2023. What it does not provide is correction and end-to-end data recovery. These features must be available in applications that use the protocol to transfer information.
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
Data frames or packets are typically sent between local area networks (LANs) within a wide area network (WAN).
The Frame relay protocol is modeled after packet switching technologies, similar to x.25, which provide a way for end stations to dynamically share network media and bandwidth. There are basically two variants of this protocol. One is based on Q.922 LAPF, the standard and most widespread deployment WHAT IS FRAME RELAY 2023.
The second corresponds to LMI specifications and is used less frequently. Although frame relay does not ensure data integrity or drop packets to prevent network congestion, it is still capable of delivering data with a high degree of reliability.
Is Amazon really giving you a competitive price? This little-known plugin reveals the answer.
Frame Relay networks transmit frames to their destination via virtual circuits. There are two types of virtual circuits — permanent virtual circuits (PVCs) or switched virtual circuits (SVCs). SVCs are established on a call-by-call basis. Virtual circuits, clearly identified by a Data Link Connection Identifier (DLCI), provide two-way communication paths from one end device to another WHAT IS FRAME RELAY 2023.
In a frame relay network, a number of virtual circuits can be used to send multiple messages simultaneously across a single physical circuit. This capability often reduces the amount of network equipment needed. It also reduces costs while providing secure, private IP-based networks WHAT IS FRAME RELAY 2023.
Frame relay is a viable alternative for data transmission. Although it cannot guarantee data integrity, most of the protocols it supports are integrated with their own set of error correction mechanisms. As a result, the frames are able to travel at exceptional speed and arrive at their destination with minimal delay. This factor gives it many of the same qualities as a direct leased circuit connection, only at a significantly lower cost.
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