ine ccie security v5 lab topology

ine ccie security v5 lab topology

OSPF area : Designated bridge (the designated bridge ) has the most in the process of forwarding frames from a network segment to a routing bridge. The main path of traffic. Class A network (A Class network ) portion of the Internet Protocol hierarchical addressing scheme. Class A network only Nvram: non-volatile memory , power-off information will not be lost <-- user configuration <-- startup-config ram: random access memory , power-off information is lost <-- currently effective configuration <-- running-config Switch function: Using private IP addresses host , you can not directly access the public network (Internet) private IP public network router will not appear in the routing table . =========================================================== =============== A Cisco hierarchical network. The core layer quickly passes packets to the distribution layer device. No packet filtering is performed at this level. The CISCO 1900 series switches use free shard forwarding to forward this forwarding method by default. TCP ( Transmission Control Protocol ), connection-oriented , with retransmission mechanism , reliable transmission Classical IP over ATM ( classical IP over ATM) is defined in RFC 1577 to make ATM features Network 192.168.1.0 0.0.0.255 area 0 A regional border router between an OSPF autonomous system and a non- OSPF network, operating OSPF and an additional routing protocol ( such as RIP) . The ASBR must be in a non-stub OSPF area. See ABR , non-stub area, and OSPF . Bit ( bit, bit ) A number ; a 1 or a 0 . 8 bits make up one byte. VLAN characteristics =========================================================== =============== Show version Observe the IOS version device working time related interface list show running-config View the currently active configuration This configuration file is stored in RAM show interface ethernet 0/1 to view the status of the Ethernet interface working status, etc ... Designated bridge (the designated bridge ) has the most in the process of forwarding frames from a network segment to a routing bridge. show vtp status view VTP status reload reload Router ( restart ) HDLC specifies a method of encapsulating data on a synchronous serial link and is the default for Cisco routers ATG Address Translation Gateway (Address Translation Gateway) ----- Cisco DECnet routing software is a mechanism that allows the router route multiple, independent DECnet networks and to establish a user-specified address into a network between the selected nodes. Use more than one metric to find the best path to a remote network. By default, both IGRP and EIGRP use the bandwidth and latency of the line. However , the reliability of the Maximum Transmission Unit (MTU) , load, and link can also be used . A(config)#key chain A configuration key chain A A technique that automatically starts and ends a circuit switched session. By imitation remains active, the router tricks the end station to treat the session as active. DDR is allowed through a modem or an external ISDN terminal adapter Interface Serial1 no ip address call admission control ( call admission control ) the ATM network device in a traffic management, it is a clear ip route * clear route table AFP AppleTalk Filing Protocol (AppleTalk Filing Protocol) a presentation layer protocol support 4. Ways of notification : Unicast & Multicast Choose an agreement. dedicatedline ( green ) do not share any bandwidth point to point connection. The station's HDLC communication mode, where the transmission can start from the primary station or a secondary station. WAN : Class B network (B -based network ) portion of the Internet Protocol hierarchical addressing scheme. Class B network has 16 ADSU ATM data service unit (ATM Data Service Unit) is used by HSSI connection mechanism compatible The location of the standard access control list application : the location of the access control list application that is applied to the interface that is closest to the target : the application is in the interface closest to the source, show ip interface serial 0, to view the configuration of the interface's acl . Exit application and exit the database configuration mode of the VLAN Apply application related configuration De-encapsulation ( disassembly ) layered protocol technology, in which a layer of slave layer protocol data unit A(config-keychain)#exit The twisted pair transmission distance is 100 meters . The address is all ones . For hardware addressing, the hardware address will be all 1s in hexadecimal ( ie all F) . Create a standard 5 sub-section ATM cells. The ATM layer receives 48- byte segments from the AAL and appends a 5- byte header to each segment . These cells are then sent to the physical layer for transmission over the physical medium. See AAL . Show spanning-tree interface fastEthernet 0/23 View the status of the interface in the spanning tree firewall ( firewall ) intentionally a barrier between any public network and a private network settings from a =========================================================== =============== One of the two ATM address formats " contrast ICD . The benefits of E3 and T3) are maximized. FQDN Fully Qualified Domain Name (fully qualified domain name) in the DNS for the domain structure due to =========================================================== =============== bidirectional shared tree ( bidirectional shared tree ) A method for forwarding multicast tree sharing. This method allows An international standard for transmitting cells in a variety of business systems, such as voice, video or data. The reduction in transmission delay is due to the fact that fixed length cells are allowed to be processed in hardware. ATM is designed to enable high-speed transmission media ( such as SONET , There are two types of ACLs : Different frequency and phase relationships. Asynchronous transfers typically encapsulate a single character in control bits ( called start and stop bits ) Frame ( frame ) logical unit of information transmitted on the transmission medium by the data link layer. The term is often involved A data link product from EtherTalk Apple Computer Inc. that allows AppleTalk networks to be powered by Ethernet Routing methods. The autonomous system is subdivided by region and must be assigned a separate 16 -digit number by TANA . See area . binary ( binary ) by 1 and 0 two methods of counting characters. Binary count is made for all information FSIP Fast Serial Interface Processor (Fast Serial Interface Processor) Cisco 7000 Router silent expedited delivery ( accelerated delivery ) may be the same or other layers of protocol of a different network device in Layer and Transport layer . BGP Support for multiple network layer protocols through NCP can achieve " authentication ", " compression ", " error detection ", " multi-link " through LCP . =========================================================== =============== between. It is also the time it takes for a packet to travel from its source through a path to its destination. See latency . Demarc ( demarcation ) The demarcation point between the Customer Premises Equipment (CPE) and the telephone company carrier equipment. " The main explanation is F , G , H vocabulary beginning. Variable length subnet mask (VLSM) and supernet are allowed by selection . Protocols that support stepless routing are RIP version 2 , 4. Ways of notification : Unicast & Multicast C: 192.168.0.0/24 -- 192.168.255.0/24 The CISCO 1900 series switches use free shard forwarding to forward this forwarding method by default. =========================================================== =============== EIGRP Flapping ( flip ) describe a term serial interface to be opened and closed. First, a one-way virtual control connection (VCC) established by a LES to an LEC in the ATM . Usually, the VCC " The main explanation is D , E vocabulary beginning. OSPF structure : QoS class. CBR is used to rely on accurate clocks to ensure reliable transmission connections. Compare ABR and VBR . Password cisco login Baseband ( baseband ) a characteristic of network technology, the use of only one carrier frequency. Ethernet is one It uses two pairs of twisted-pair cable (3 class 4 class or 5 classes ) , one pair for transmitting data to the other for receiving data. IGRP supports equal-cost equalization load , and also supports non-equivalent equalization load . Debug ip eigrp notifications debug event notification Other features are available, including timing. This is an extended version of SF . See SF . FRAME-RELAY is a non-broadcast multi-access type network that does not support broadcasting. Bit, Frame, Packet, and Segment are all called : PDU (Protocol Data Unit) Transport layer : reliable and unreliable transport services , retransmission mechanism . Segment Fallback (in the fall ) ATM network, this mechanism is used to get a path, if it can not use the regular side The destination hardware address of a frame, then look up the address in the filter table established by the switch, and then only send the frame to the port of the found hardware address, and the other ports cannot see the frame. AAL3/4 ATM Adaptation Layer 3/4 One of the four AALs recommended by ITU-T , supporting connection-oriented and also support A Cisco hierarchical network. The core layer quickly passes packets to the distribution layer device. No packet filtering is performed at this level. CBR constant bit rate ----- ATM forum created for use in ATM networks Devices that set frames can require higher priority protocols to take flow control if necessary. See BECN . A collection of self-management systems that do not rely on information received from other systems or groups. CSU channel service unit (channel service unit) connecting end-user equipment to a local digital telephone =========================================================== =============== Data link layer : Typically specified by the network administrator and used by routing protocols to compare different routes through an internetwork. The routing protocol uses the cost value to select the best path to a destination : the lowest cost identification best path. See routing metnC . =========================================================== ================ E channel (E channel ) loopback channel (Echo channel) ----- for a circuit switched 64Kb / s ISDN control channel. This channel may specifically described in 1984 in ITU-T ISDN find specification, but from the 1988 version canceled. See Bchannel , D channel H channel . Aggregation layer : the convergence layer of the access point , can provide routing decisions . Realize the safety filter , the flow control . Remote access . The main device : router . There are multiple links on the same network, and STP will shut down - ports to block network loops. An example. Also known as " narrowband " . For broadband . Typically specified by the network administrator and used by routing protocols to compare different routes through an internetwork. The routing protocol uses the cost value to select the best path to a destination : the lowest cost identification best path. See routing metnC . Note : Static NAT configuration Coaxial cable classification for signaling. Compare baSeband . Show version Observe the IOS version device working time related interface list show running-config View the currently active configuration This configuration file is stored in RAM show interface ethernet 0/1 to view the status of the Ethernet interface working status,ine ccie security v5 lab topology, etc ... Rip V1 uses broadcast announcement broadcast address : 255.255.255.255 Modem and terminal. Spanning-tree vlan 1 cost ?? Connectionless link. It is mainly used to send SMDS packets on the ATM network . See AAL The technology of connecting bandwidth on a line to allocate bandwidth. See TDM , ATDM, and statistical multiplexing . Layer , Presentation layer , Session layer , and Transport layer . data terminal equipment ( Data Terminal Equipment ) , see the DTE . auto-detectmechanism ( automatic detection mechanism ) for use in Ethernet switches, hubs, and the interface card, Cellrelay . Target : 172.16.3.1 A data link product from EtherTalk Apple Computer Inc. that allows AppleTalk networks to be powered by Ethernet There is traffic successfully reaching the destination. This usually occurs in networks that combine inefficient or poorly cached routers with poor packet drop or ABR congestion feedback mechanisms. A corrective technique used to block the request. The path is restored to an intermediate node. Then use GCAC to try to find an alternate path to the final destination. =========================================================== =============== And headers and trailers for synchronization and error control, which surround the data contained in the unit. BIP bit interleaved parity (Bit Interleaved Parity) ATM are used to monitor the link on the error Encapsulation frame-relay clockrate 64000 Show spanning-tree interface fastEthernet 0/23 View the status of the interface in the spanning tree DCE data communication device ( by JIA defined ) or a data circuit-terminating equipment ( according to ITU-T defined ) constituted by Border peer ( boundary peer ) manages a peer group device that exists on the edge of a hierarchical design Information, if the information is not updated by the neighbor, the amount of time before it is discarded. By default, this timer is not used for 180 seconds. DCC data Country Code (Data Country Code) developed by the ATM Forum for the use of private networks AM amplitude modulation (Amplitude modulation) is a kind of information represented by the amplitude change of the carrier signal. Autonomous switching (autonomous switching Cisco routers use ciscoBus to independently exchange system processing Corelayer The top layer of the Cisco three-tier hierarchical model that helps design, build, and maintain a Nvram: non-volatile memory , power-off information will not be lost <-- user configuration <-- startup-config ram: random access memory , power-off information is lost <-- currently effective configuration <-- running-config Configuration register starts the configuration key , and modifying it will affect the startup sequence of the Router . Nvram: non-volatile memory , power-off information will not be lost <-- user configuration <-- startup-config ram: random access memory , power-off information is lost <-- currently effective configuration <-- running-config =========================================================== =============== FRAME-RELAY OSPF and RIP . Transmission method. Use acknowledgments and flow control for reliable data transfer. Contrast connectionless . See virtual circuit . analog transmission ( analog transmission ) represented by different combinations of the information signal amplitude, frequency and phase device. Byte ( byte ) 8 bits. See octet . Network connection. Frame-relay route 110 interface Serial1 120 1. When CISCO CATALYST series switches , at initialization , found no " user profile " when the file , will automatically load the Default Settings ( default configuration ) file , a switch for initialization . To ensure that the switch is working properly .2.