Document
... reachability issues may be a problem because of the NBMA nature of Frame Relay. The Frame Relay NBMA topology can cause the following issues: ...
... reachability issues may be a problem because of the NBMA nature of Frame Relay. The Frame Relay NBMA topology can cause the following issues: ...
21netsec
... Denial of Service (DoS) Redux Goal: overwhelm victim machine and deny service to its legitimate clients DoS often exploits networking protocols • Smurf: ICMP echo request to broadcast address with spoofed victim’s address as source • Ping of death: ICMP packets with payloads greater than 64K cras ...
... Denial of Service (DoS) Redux Goal: overwhelm victim machine and deny service to its legitimate clients DoS often exploits networking protocols • Smurf: ICMP echo request to broadcast address with spoofed victim’s address as source • Ping of death: ICMP packets with payloads greater than 64K cras ...
Storage for a Smarter Infrastructure Tom Roder – Top Gun Class
... SAN – The Storage Area Network Servers need storage! In larger scale networks, this typically means servers are attached to storage systems over the SAN on separate physical infrastructure This technology is typically driven over optical FibreChannel connections, however FibreChannel does run on ...
... SAN – The Storage Area Network Servers need storage! In larger scale networks, this typically means servers are attached to storage systems over the SAN on separate physical infrastructure This technology is typically driven over optical FibreChannel connections, however FibreChannel does run on ...
Lecture1 - Lane Thames
... (MAC) and one logical (IP) address. If the arriving packet at an interface is NOT destined to that interface, the router ignores the packet. The router changes both the source and destination physical addresses in the ...
... (MAC) and one logical (IP) address. If the arriving packet at an interface is NOT destined to that interface, the router ignores the packet. The router changes both the source and destination physical addresses in the ...
Basic Concepts
... Never talk about an innovation “reducing cost,” “increasing speed,” etc. without specifying which element is cheaper or faster. For example, multiplexing only reduces the cost of trunk lines; other costs are not decreased ...
... Never talk about an innovation “reducing cost,” “increasing speed,” etc. without specifying which element is cheaper or faster. For example, multiplexing only reduces the cost of trunk lines; other costs are not decreased ...
Chapter 1
... Finally, we often talk about the bandwidth requirements of an application. This is the number of bits per second that it needs to transmit over the network to perform acceptably. For some applications, this might be “whatever I can get”; for others, it might be some fixed number (preferably no more ...
... Finally, we often talk about the bandwidth requirements of an application. This is the number of bits per second that it needs to transmit over the network to perform acceptably. For some applications, this might be “whatever I can get”; for others, it might be some fixed number (preferably no more ...
Bridging
... it then decides whether the destination is local or remote and allows only those data frames with nonlocal destination addresses to cross the bridge to the remote LAN. it only processes data-link layer addresses while transparently forwarding any variety of upper layer protocols embedded within ...
... it then decides whether the destination is local or remote and allows only those data frames with nonlocal destination addresses to cross the bridge to the remote LAN. it only processes data-link layer addresses while transparently forwarding any variety of upper layer protocols embedded within ...
Document
... • IP provides for the transmission of blocks of data called datagrams from source to destination, where source and destination are hosts identified by fixed-length addresses • Datagrams can be as large as 64 KB, but usually the are ~1500 bytes long. • IP also provides for fragmentation and reassembl ...
... • IP provides for the transmission of blocks of data called datagrams from source to destination, where source and destination are hosts identified by fixed-length addresses • Datagrams can be as large as 64 KB, but usually the are ~1500 bytes long. • IP also provides for fragmentation and reassembl ...
Linux+ Guide to Linux Certification
... Windows Server 2003 as a NAT firewall for clients who connect to the Internet. The server that you use should not already be configured for routing and remote access services. Note that to configure Microsoft Routing and Remote Access Services, NAT and ICF should not be enabled already. Hands-on Net ...
... Windows Server 2003 as a NAT firewall for clients who connect to the Internet. The server that you use should not already be configured for routing and remote access services. Note that to configure Microsoft Routing and Remote Access Services, NAT and ICF should not be enabled already. Hands-on Net ...
PowerPoint
... shut down periodically. • Network partition : When no path exists between source and destination, it is perfectly possible that two nodes may never be part of the same connected portion of the network. ...
... shut down periodically. • Network partition : When no path exists between source and destination, it is perfectly possible that two nodes may never be part of the same connected portion of the network. ...
routing-3
... outgoing datagrams: replace (source IP address, port #) of every outgoing datagram to (NAT IP address, new port #) . . . remote clients/servers will respond using (NAT IP address, new port #) as destination addr. remember (in NAT translation table) every (source IP address, port #) to (NAT IP addres ...
... outgoing datagrams: replace (source IP address, port #) of every outgoing datagram to (NAT IP address, new port #) . . . remote clients/servers will respond using (NAT IP address, new port #) as destination addr. remember (in NAT translation table) every (source IP address, port #) to (NAT IP addres ...
Addresses, Protocols, and Ports Reference
... Example 1—If you have the Class B address 129.10.0.0 and you want to use the entire third octet as part of the extended network prefix instead of the host number, you must specify a subnet mask of 11111111.11111111.11111111.00000000. This subnet mask converts the Class B address into the equivalent ...
... Example 1—If you have the Class B address 129.10.0.0 and you want to use the entire third octet as part of the extended network prefix instead of the host number, you must specify a subnet mask of 11111111.11111111.11111111.00000000. This subnet mask converts the Class B address into the equivalent ...
Networking BASICS
... the event of a cable failure or another similar problem. Mesh topologies are rarely used in a LAN. ...
... the event of a cable failure or another similar problem. Mesh topologies are rarely used in a LAN. ...
Lecture 13
... The layers in the TCP/IP protocol suite do not exactly match those in the OSI model. The original TCP/IP protocol suite was defined as having four layers: host-to-network, internet, transport, and application. However, when TCP/IP is compared to OSI, we can say that the TCP/IP protocol suite is made ...
... The layers in the TCP/IP protocol suite do not exactly match those in the OSI model. The original TCP/IP protocol suite was defined as having four layers: host-to-network, internet, transport, and application. However, when TCP/IP is compared to OSI, we can say that the TCP/IP protocol suite is made ...
Troubleshooting Ethernet and Fragmentation Issues
... performance, intermittent connectivity problems and/or a complete loss of connectivity. A duplex mismatch occasionally happens when one or both ports on a link are reset and auto-negotiation doesn’t function properly. Another cause could be changing the duplex on either end of a link but forgetting ...
... performance, intermittent connectivity problems and/or a complete loss of connectivity. A duplex mismatch occasionally happens when one or both ports on a link are reset and auto-negotiation doesn’t function properly. Another cause could be changing the duplex on either end of a link but forgetting ...
Document
... had a minimal amount of “extra” data moving with the data being transferred. This extra data, called overhead, functions as packaging for the data being transferred and enables the data transmission. ...
... had a minimal amount of “extra” data moving with the data being transferred. This extra data, called overhead, functions as packaging for the data being transferred and enables the data transmission. ...
Ethernet Access: Draw the line, Demarc your Network
... the way up to the last mile properly and efficiently while keeping costs manageable. While early adopters would rely on best-effort services, these are no longer acceptable and major enterprise customers will not move on to an Ethernet service until Ethernet SLAs are guaranteed and verified by carri ...
... the way up to the last mile properly and efficiently while keeping costs manageable. While early adopters would rely on best-effort services, these are no longer acceptable and major enterprise customers will not move on to an Ethernet service until Ethernet SLAs are guaranteed and verified by carri ...
NetLayer
... a request must designate the Query Type • Technically, information for multiple protocol stacks can be stored; the normal Query Class is “Internet”. • A query can request that the contacted name server complete a query, even if it has to contact other Name Servers – a Recursive query • A Non-Recursi ...
... a request must designate the Query Type • Technically, information for multiple protocol stacks can be stored; the normal Query Class is “Internet”. • A query can request that the contacted name server complete a query, even if it has to contact other Name Servers – a Recursive query • A Non-Recursi ...
OSPF - Suraj @ LUMS
... Areas where there is only one exit point, or the exit point is not a function of the external destination Stub area does not need to know the topology of the rest of the AS ...
... Areas where there is only one exit point, or the exit point is not a function of the external destination Stub area does not need to know the topology of the rest of the AS ...
ppt - Suraj @ LUMS
... Areas where there is only one exit point, or the exit point is not a function of the external destination Stub area does not need to know the topology of the rest of the AS ...
... Areas where there is only one exit point, or the exit point is not a function of the external destination Stub area does not need to know the topology of the rest of the AS ...