Computer networks
... computer networks, networked computing devices (network nodes) pass data to each other along data connections. The connections (network links) between nodes are established using either cable media or wireless media. The best-known computer network is the Internet. Network devices that originate, ro ...
... computer networks, networked computing devices (network nodes) pass data to each other along data connections. The connections (network links) between nodes are established using either cable media or wireless media. The best-known computer network is the Internet. Network devices that originate, ro ...
Lecture 7
... • The IP layer allows packets to be sent over gateways to machines not on the physical network • Addresses used are IP addresses, 32-bit numbers divided into a network address (used for routing) and a host address • The IP protocol is connectionless, implying: – gateways route discrete packets indep ...
... • The IP layer allows packets to be sent over gateways to machines not on the physical network • Addresses used are IP addresses, 32-bit numbers divided into a network address (used for routing) and a host address • The IP protocol is connectionless, implying: – gateways route discrete packets indep ...
ppt - Course Website Directory
... ARP: Address Resolution Protocol between IP and Underlying Networks • Most hosts are attached to a LAN by an interface board that only understands LAN addresses. For example, every Ethernet board is equipped with a globally unique 48-bit Ethernet address. • The boards send and receive frames based o ...
... ARP: Address Resolution Protocol between IP and Underlying Networks • Most hosts are attached to a LAN by an interface board that only understands LAN addresses. For example, every Ethernet board is equipped with a globally unique 48-bit Ethernet address. • The boards send and receive frames based o ...
tutorial1
... Weaknesses of Classful Scheme Growth!!! Tens of thousands small networks. • Extremely large routing tables • Address space will be eventually exhausted • Complex administration How can one minimize the number of assigned network addresses, especially class B, without abandoning 32-bit addressing sc ...
... Weaknesses of Classful Scheme Growth!!! Tens of thousands small networks. • Extremely large routing tables • Address space will be eventually exhausted • Complex administration How can one minimize the number of assigned network addresses, especially class B, without abandoning 32-bit addressing sc ...
Sybex CCNA 640-802 Chapter 1: Internetworking Instructor
... Here’s a list of some of the things that commonly cause LAN traffic congestion: •Too many hosts in a broadcast domain •Broadcast storms •Multicasting •Low bandwidth •Adding hubs for connectivity to the network •A bunch of ARP or IPX traffic (IPX is a Novell protocol that is like IP, but really, real ...
... Here’s a list of some of the things that commonly cause LAN traffic congestion: •Too many hosts in a broadcast domain •Broadcast storms •Multicasting •Low bandwidth •Adding hubs for connectivity to the network •A bunch of ARP or IPX traffic (IPX is a Novell protocol that is like IP, but really, real ...
Transmission Control Protocol (TCP)
... SACK enables receiver to give more information to sender about received packets allowing sender to recover from multiplepacket losses faster ...
... SACK enables receiver to give more information to sender about received packets allowing sender to recover from multiplepacket losses faster ...
投影片 1
... dl_buf_handle //The current buffer containing SOP dl_eop_buf_handle // for large packets, the buffer containing EOP. input port // port from which the packet is rxed ...
... dl_buf_handle //The current buffer containing SOP dl_eop_buf_handle // for large packets, the buffer containing EOP. input port // port from which the packet is rxed ...
Junos Network Secure
... MS-MPCs and MS-MICs are next-generation, advanced service modules for Juniper Networks® MX Series 3D Universal Edge Routers. They deliver the performance, services, and scalability that are critical to today’s advanced Ethernet services edge and broadband edge networks. MS-MPCs are full slot modules ...
... MS-MPCs and MS-MICs are next-generation, advanced service modules for Juniper Networks® MX Series 3D Universal Edge Routers. They deliver the performance, services, and scalability that are critical to today’s advanced Ethernet services edge and broadband edge networks. MS-MPCs are full slot modules ...
Slide 1
... Computer Operating System – Hard Disc Utilization The window on the right shows the window “My Computer” of an MS Windows operating system. This window lists all the storage devices available to the user, and key utilization “Details” figures for the selected (highlighted) device. In the screen sho ...
... Computer Operating System – Hard Disc Utilization The window on the right shows the window “My Computer” of an MS Windows operating system. This window lists all the storage devices available to the user, and key utilization “Details” figures for the selected (highlighted) device. In the screen sho ...
presentationToddandAsh
... Packets of Data Through The TCP and UDP Network Protocols Todd Deshane Ashwin Venkatraman McNair Program Clarkson University ...
... Packets of Data Through The TCP and UDP Network Protocols Todd Deshane Ashwin Venkatraman McNair Program Clarkson University ...
ppt
... These are called Address Resolution Protocol (ARP) tables. ARP tables are stored in RAM memory, where the cached information is maintained automatically on each of the devices. Each device on a network maintains its own ARP table. >arp -a When a network device wants to send data across the network, ...
... These are called Address Resolution Protocol (ARP) tables. ARP tables are stored in RAM memory, where the cached information is maintained automatically on each of the devices. Each device on a network maintains its own ARP table. >arp -a When a network device wants to send data across the network, ...
computer networks - Technicalsymposium
... All nodes on the LAN are connected in a loop and their Network Interface Cards (NIC) are working as repeaters. No starting or ending point. Each node will repeat any signal that is on the network regardless its destination. The destination station recognizes its address and copies the frame into a l ...
... All nodes on the LAN are connected in a loop and their Network Interface Cards (NIC) are working as repeaters. No starting or ending point. Each node will repeat any signal that is on the network regardless its destination. The destination station recognizes its address and copies the frame into a l ...
DIX Ethernet.
... FIVE segments, connected by FOUR repeaters, of which no more than THREE segments can be mixing segments. ...
... FIVE segments, connected by FOUR repeaters, of which no more than THREE segments can be mixing segments. ...
CyberStreet detailed network description
... Main CyberStreet Network The server room at CyberStreet is connected via FastEthernet4/0 on Tintagel. It has three ip addresses 204.145.237.1, 68.68.204.1, 68.688.204.113, 172.16.13.1. This interface connects to Ethernet switch Ceres. Tintagel This is our core router. It is a Cisco 7206 with a CPE-2 ...
... Main CyberStreet Network The server room at CyberStreet is connected via FastEthernet4/0 on Tintagel. It has three ip addresses 204.145.237.1, 68.68.204.1, 68.688.204.113, 172.16.13.1. This interface connects to Ethernet switch Ceres. Tintagel This is our core router. It is a Cisco 7206 with a CPE-2 ...
PPT - Pages
... • Multiple incompatible LANs can be physically connected by specialized computers called routers • The connected networks are called an internetworks – The Internet can be viewed as an internetwork of internetworks ...
... • Multiple incompatible LANs can be physically connected by specialized computers called routers • The connected networks are called an internetworks – The Internet can be viewed as an internetwork of internetworks ...
Network Layer - Home Pages of People@DU
... Encapsulated in a frame by the DLLwith MAC address of the multi-protocol router connected to LAN 1 Packet arrives at MPR1 on LAN1 NL at MPR1 uses the Network address to decide which MPR2 to forward the packet to. If the Network Protocol used by the Network through which MPR1 sends a packet to MPR2 i ...
... Encapsulated in a frame by the DLLwith MAC address of the multi-protocol router connected to LAN 1 Packet arrives at MPR1 on LAN1 NL at MPR1 uses the Network address to decide which MPR2 to forward the packet to. If the Network Protocol used by the Network through which MPR1 sends a packet to MPR2 i ...
CCNA2 3.1-09 Basic Router Troubleshooting
... show ip protocols The show ip protocols command shows the following: • Sources of routing updates • The networks being advertised • Update timer values – Example: If a network is not being included in the routing updates and should be, an administrator could issue this command to see which networks ...
... show ip protocols The show ip protocols command shows the following: • Sources of routing updates • The networks being advertised • Update timer values – Example: If a network is not being included in the routing updates and should be, an administrator could issue this command to see which networks ...
Figure 9.1: Communication at the data
... data-link layer that will be elaborated on in the next few chapters. The second section discusses link-layer addressing. It first explains the rationale behind the existence of an addressing mechanism at the data-link layer. It then describes three types of link-layer addresses. The section discus ...
... data-link layer that will be elaborated on in the next few chapters. The second section discusses link-layer addressing. It first explains the rationale behind the existence of an addressing mechanism at the data-link layer. It then describes three types of link-layer addresses. The section discus ...
Computer Networks (CS 778)
... The challenge of heterogeneity is to provide a useful and fairly predictable hostto-host service over many different networks. ...
... The challenge of heterogeneity is to provide a useful and fairly predictable hostto-host service over many different networks. ...
10/100/1000 Mbps connectivity to workstations and servers and non
... and industry-standard Virtual Router Redundancy Protocol (VRRP) to provide a fail-safe mechanism in routed environments. With FSRP and VRRP, FastIron II switches act as a backup to other routers in the network. In the event of a failure, a FastIron II switch automatically performs the tasks of the f ...
... and industry-standard Virtual Router Redundancy Protocol (VRRP) to provide a fail-safe mechanism in routed environments. With FSRP and VRRP, FastIron II switches act as a backup to other routers in the network. In the event of a failure, a FastIron II switch automatically performs the tasks of the f ...
Networking
... small windows, never getting the chance to reach a sufficiently large window size Fix: Allow TCP to build up to a large window size initially by doubling the window size until first loss ...
... small windows, never getting the chance to reach a sufficiently large window size Fix: Allow TCP to build up to a large window size initially by doubling the window size until first loss ...
Chp. 6 - Cisco Networking Academy
... Thousands of servers, installed in many different locations, provide the services we use daily over the Internet. Each of these servers is assigned a unique IP address that identifies it on the local network where it is connected. It would be impossible to remember all of the IP addresses for all of ...
... Thousands of servers, installed in many different locations, provide the services we use daily over the Internet. Each of these servers is assigned a unique IP address that identifies it on the local network where it is connected. It would be impossible to remember all of the IP addresses for all of ...
Slides
... Drop packets at the router. Sources will regulate after observing packet loss Send an “Explicit Congestion Notification (ECN)” packet to the sender ...
... Drop packets at the router. Sources will regulate after observing packet loss Send an “Explicit Congestion Notification (ECN)” packet to the sender ...