configure tcp ip addressing on a server computer

... servers R1# configure terminal R1(config)# ip dns server R1(config)# ip name -server 4.2.2.6 R1(config)# ip name -server 4.2.2.5 Next, we need to enable the DDNS update service and give it a name ... http://email:password@dynupdate.no -ip. com/nic/update?hostname=&myip= As we said, the login name is your registered email address This means that the full syntax above will contain two '@' characters, which can create a problem ... terminal R1(config)# ip dns server R1(config)# ip name -server 4.2.2.6 R1(config)# ip name -server 4.2.2.5 R1(config)# ip ddns update method dyndns R1(DDNS-update-method)# HTTP The HTTP authentication...

Ngày tải lên: 25/07/2014, 08:20

... Ethernet frame TCP (a layer above IP) places the communications streams it manages in the data portions of IP packets Application level services such as FTP, which use TCP to establish and maintain ... the layer above it Frames and Packets The basic unit of Logical Link Layer data transmission is the frame The Internet Protocol has a similar basic unit of data transmission—the packet An IP Packet ... station addresses, the gateway is a machine that has adapters residing on at least two networks Most LANs connected to the Internet will have one gateway, but some may have more than one Just one...

Ngày tải lên: 29/09/2013, 13:20

... information or explanation on optimizing IP performance IP Stack IP Stack Delay and Latency IP MTU Data Data Data Data IP TCP Data Link Link Link IP TCP Data Link Header Trailer Trailer Header ... evaluate options for enhancing the availability and performance of a TCP/ IP solution LocationA LocationA 808 Hosts 1.5 T1 Lead-in To enhance the availability and performance of a TCP/ IP solution, ... an IP address that are used for routing and host addressing • Explain the manual allocation, DHCP manual, DHCP dynamic, and Automatic Private IP Addressing (APIPA) IP configuration methodologies...

Ngày tải lên: 21/12/2013, 05:18

... that allow them to gain access to and manipulate data on a server By effectively managing permissions, you can control a user’s actions on Web server content IIS uses several types of permissions ... Anonymous access and authentication control, click Edit What authentication methods are enabled? Anonymous access By default, a Web site will have Anonymous and Integrated Windows authentication The ... Security on a Web Server 17 Using Anonymous Authentication Topic Objective To explain Anonymous authentication and how it works No User Name or Password Required Lead-in Anonymous authentication allows...

Ngày tải lên: 24/01/2014, 10:20

... Road Map Create Database Objects Create a database Create a table Set a constraint Create a view Create a user Query Manage the Data Import data Export data Backup the database Restore the database ... Install and configure SQL Server 2005 Plan and create databases Back up the databases Restore the databases when necessary Set up and manage users for SQL Server Manage security for new users and ... backups: Add all the changes in the transaction log to your full database backups • Differential database backups: Back up only data that has changed since the last full backup – For example, if a person’s...

Ngày tải lên: 05/03/2014, 20:20

... Definition Bits: BBBBJ O¢~inaI-Address: N Parallel Sorting A parallel sort is similar in function to a serial sort It accepts as arguments a parallel data field and a parallel comparison predicate, and ... implementing parallel natural language programs on real hardware has clarified which operations and programming techniques are the most efficient and useful Programs that build upon general algorithms ... elegant approach to building a dictionary than the hashing scheme This other approach has the additional advantage that it can be built from two generally useful submodules each of which has a...

Ngày tải lên: 24/03/2014, 02:20

... up of Frame Encapsulation User's data User's data AH Application PDU Application Application AH PH AH Application PDU Presentation Presentation PH SH PH AH Application PDU Session Session SH TH ... that manages client IP configurations and the assignment of IP configuration data Ensuring that networks are correctly configured at all times is an exacting task that is best left to an automatic ... Application Layer Protocols At the application layer, the user may generate information at a keyboard, or an application may generate a file Either way, these actions make use of supporting programs...

Ngày tải lên: 27/06/2014, 00:20

... TCP/ IP communications, a datagram on a local-area network must contain both a destination MAC address and a destination IP address These addresses must be correct and match the destination MAC ... Version 3.0 TCP/ IP Model The TCP/ IP model has four layers: The Application layer, Transport layer, Internet layer, and Network Access layer Version 3.0 Application Layer • The application layer ... administrator manually creates a configuration file for every host on the network that contains a BOOTP profile along with an IP address assignment in it Version 3.0 27 DHCP • Dynamic host configuration...

Ngày tải lên: 27/06/2014, 19:20

... external network (WAN) HTTP host IP IP packet – Connectors with electrical, mechanical, procedural and functional specifications IP – Media access control with • Data rate, Distances, synchronization ... originated datagram – Source and destination address – Protocol layer generating data (e.g TCP) – Identification supplied by that layer – Data length • Length of user data in octets IP Fragmentation ... component of the TCP/ IP protocol stack that addresses this basic limitation of IP • An error/information reporting protocol for IP IP header format: Protocol Encapsulation of an ICMP in an IP packet...

Ngày tải lên: 05/07/2014, 00:20

... 26) Nguyên lý hoạt động giao thức RTP RTCP 27) Các loại tập: phân giải đ a subneting, vẽ gói liệu ARP, ICMP, IP, TCP, RIP, OSPF, khôi phục gói tin IP ban đầu từ fragment ...

Ngày tải lên: 06/07/2014, 06:20

... -evaluations of s components of the big vector F(tn e + hn c, Yn ) over a number of available processors An additional computational effort consists of a recomputation of the variable parameter matrix ... can be done in parallel Consequently, on an s-processor computer, just one f -evaluation is required per step In this way, parallelization in an EPTRKN method is achieved by sharing the f -evaluations ... expensive nonstiff first-order problems on a shared memory parallel computer We have also obtained a similar performance of a parallel implementation of the BPIRKN codes for nonstiff special secondorder...

Ngày tải lên: 06/08/2014, 05:20

... of Hawaii called ALOHA A key feature of ALOHA was that all transmitters shared the same channel and contended for access to the channel to transmit This became the basis for the contention-based ... encapsulates data to be transmitted is called a frame format The frame format corresponds to the information placed on the frame at the Logical Link Control (LLC) and Media Access Control (MAC) sublayers ... Benson, Lee Gibson, Philippe Joubert, Jason Popp, Katarzyna Puchala, Aaron Schrader, Ben Schultz, Murari Sridharan, Brian Swander, Mark Swift, and Jeff Westhead I would like to give honorable...

Ngày tải lên: 09/08/2014, 09:21

... 2008 and Windows Vista also support a unicast ARP Request and unicast ARP Reply exchange and a broadcast ARP Reply The ARP or Neighbor Cache As is common in many TCP/ IP implementations, TCP/ IP ... wireless APs) Frame Control Duration/ID IEEE 802.11 Header Address Address Address Sequence Control DSAP = 0xAA SSAP = 0xAA Control = 0x03 Organization Code Ether Type IP Datagram Frame Check ... SNAP frame formats IP datagrams and ARP messages sent over Token Ring links are encapsulated using the IEEE 802.5 SNAP frame format IP datagrams and ARP messages sent over FDDI links are encapsulated...

Ngày tải lên: 09/08/2014, 09:21

... 20-byte IP datagram with a 20-byte IP header) to 65,515 bytes (a 65,535-byte IP datagram with a 20-byte header) As sent on a link, the IP datagram is wrapped with a Network Interface Layer header and ... features are required that are not available using the standard IP header, IP options can be used IP options are appended to the standard IP header and provide custom functionality, such as the ability ... identification, IP header and datagram size indication, fragmentation support, and options Chapter 5: Network Interface header IP header IP payload Internet Protocol (IP) 93 Network Interface trailer...

Ngày tải lên: 09/08/2014, 09:21

... routers and the destination host and should be avoided An early solution to avoiding fragmentation was the use of a 576-byte IP maximum transmission unit (MTU) to send data to a location on another ... Discovery–capable hosts that have not been configured with a default gateway send an ICMP Router Solicitation message on startup Additionally, hosts send an ICMP Router Solicitation message when the availability ... fragmented IP datagram use a reassembly timer as a maximum time to wait before discarding the incomplete IP datagram If all of an IP datagram’s fragments arrive within the time allotted in the reassembly...

Ngày tải lên: 09/08/2014, 09:21

... internationally in a more equitable manner ■ Hierarchical routing infrastructure ■ Automatic configuration IPv6 hosts can automatically configure their own IPv6 IPv6 addresses that are reachable on ... Transport Layer protocol that provides a reliable data-transfer service and a method to pass TCP- encapsulated data to an Application Layer protocol TCP has the following characteristics: ■ Connection-oriented ... whenever Application Layer data must be sent to multiple destinations using an IP multicast or broadcast address TCP can be used only for one-to-one delivery For example, a host sends a broadcast...

Ngày tải lên: 09/08/2014, 09:21

... Description Flags=.S , Flags=.S A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= A , Flags= ... supports the TcpMaxConnectResponseRetransmissions, SynAttackProtect, TcpMaxHalfOpen, and TcpMaxHalfOpenRetried registry values TCP Connection Maintenance A TCP connection can optionally be maintained ... that are acknowledged explicitly, indicating that all data on each outbound pipe has been sent and acknowledged Another way to terminate a TCP connection is through a TCP connection reset a TCP...

Ngày tải lên: 09/08/2014, 09:21

... Description FTP: Data Transfer To Server FTP: Data Transfer To Server FTP: Data Transfer To Server FTP: Data Transfer To Server FTP: Data Transfer To Server FTP: Data Transfer To Server FTP: Data ... example, for an A record, the Resource Data field contains an IPv4 address For an AAAA record, the Resource Data field contains an IPv6 address If the FQDN or a portion of the FQDN is already ... TCP connections fails, TCP retransmissions for multiple TCP connections can cause dead gateway detection to switch default gateways Note TCP/ IP in Windows Server 2008 and Windows Vista no longer...

Ngày tải lên: 09/08/2014, 09:21

... connectionless datagram data transfer, and protocol and adapter monitoring and management NetBIOS is also a standard application programming interface (API) so that user applications can utilize ... wrapping the IP payload with an additional header or trailer containing information to provide data origin authentication, data integrity, data confidentiality, and replay protection IPsec headers ... portion contains fields common to all RADIUS messages The variable-size portion contains RADIUS attributes, which can be standard attributes or VSAs RADIUS attributes carry data values that are...

Ngày tải lên: 09/08/2014, 09:21

... Crypto payload ISAKMP header Crypto payload Payload Payload Payload n Figure 18-23 AuthIP messages containing the Crypto payload More Info The details of AuthIP payloads and negotiation are available ... information, such as an error condition, to an IPsec peer A single ISAKMP message can contain multiple Notification payloads For Notification payloads within a Main mode message, the initiator and ... the format of an ISAKMP message IP header UDP ISAKMP header header ISAKMP payloads UDP message IP datagram Figure 18-8 An ISAKMP message The ISAKMP message consists of an ISAKMP header and one or...

Ngày tải lên: 09/08/2014, 09:21