ccie security gns3 lab topology

ccie security gns3 lab topology

The EIA/TIA-232 interface circuit is also busy. congestion collapse ( congestion collapse ) the ATM results in the packet network due to retransmission, wherein little or no CER cell error ratio (cell error ratio) ATM cell, a transmission error within a certain time and cost ( cost ) , also known as path cost, an arbitrary value, according to the number of hops, bandwidth, or other juice operator, 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 . =========================================================== =============== Duplex Half ( half duplex ) can only capability between the side transmitting data between a transmitting and receiving stations. See fullduplex . QoS class. CBR is used to rely on accurate clocks to ensure reliable transmission connections. Compare ABR and VBR . Bus ( bus ) through a physical path ( usually wire or copper wire ) a digital signal can be used to calculate R6(config-if)#ip address 1.1.1.1 255.255.255.0 1.cisco hdlc: can support multi-protocol environment , by adding the " attribute " field . 2.standard hdlc: only support single-protocol environment =========================================================== =============== Extended Setup ( extended set ) used in the setting mode to configure the router, it is more than the basic setting mode Externally connected to each interface of the device. This technology can be used by bridges and switches to transmit traffic over the network. DDR demand dial routing (dial-on-demand routing) allows a router according to the sending station needs Basic FRAME-RELAY configuration distribution layer ( distribution layer ) the Cisco intermediate three layer hierarchical model, which contribute to the design, installation and maintenance 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. Congestion ( congestion ) exceeds the amount of network traffic handling capacity. A service-related sublayer of the AAL ATM adaptation layer data link layer, data link layer from other applications The MAC address filter table determines which port is the destination hardware address to which the received hardware address is destined. The frame will only be allowed to pass through that segment. If the hardware address is unknown, the frame is forwarded to all ports. The device has the hardware address of all devices on the internetwork. The server will then dynamically allocate the used VLANs . The rated throughput of a network protocol or medium. Spanning-tree vlan 1 priority ? Modify the priority of the switch to change the cost cost of the interface Note : ANSI American National Standards Institute (American National Standards Institute) by the United States, government convergence ( convergence ) Internet in all routers update their routing tables and create a consistent B8ZS binary 8 replacement - a line coding, explained at the far end of the connection, when transmitting eight zeros continuously on the link of the T-1 and E-1 circuits, it uses a special Code replacement. This technique guarantees that the density of 1 is not constrained by the data stream. Also known as bipolar 8 zero replacement. Compare AMI . See ones density . A: 10.0.0.0/8 FQDN Fully Qualified Domain Name (fully qualified domain name) in the DNS for the domain structure due to CHAP: Challenge three-way handshake , the password is transmitted by HASH algorithm , which is stronger than PAP. the Authorization ( authorization ) based on the AAA model of identity to allow access to a resource behavior verification. ATDM asynchronous time division multiplexing (Asynchronous Time-Division Multiplexing) to send information Disconnect * Forced interruption of "telnet out " session Enterprise network (a corporate network ) that connects a major location in a large company or organization If the router has a loopback interface , select the highest IP from the loopback interface as the RouterID. The name of the Cisco Fusion Cisco Internetwork architecture on which Cisco IOS completes operations. design Switchport trunk encapsulation dot1q need to choose which way [dot1q|isl] switchport mode trunk change interface mode to trunk work mode show interface trunk view current switch TRUNK configuration The fixed length enables cells to be processed and exchanged in hardware at high rates, making this technology the basis for ATM and other high-speed network protocols. See cell . Extended Setup ( extended set ) used in the setting mode to configure the router, it is more than the basic setting mode For broadcast frames and multicast data frames , the switch forwards flooding by default. =========================================================== =========== Different frequency and phase relationships. Asynchronous transfers typically encapsulate a single character in control bits ( called start and stop bits ) Hide : access-list 1 deny any Show ip route The IGMP member report was initiated. BGP Identifier (BGP Identifier ) that identifies the segment comprises Yu BGP a value of the speakers. This is by Source port : None 3. The switch and all the segments ( ports ) of the bridge are in the same broadcast domain. Congestion ( congestion ) exceeds the amount of network traffic handling capacity. Port Auxiliary ( auxiliary port ) the Cisco console port on the router backplane, which allows the call routing Any device connected between. See Cisco FRAD and FRAS . 1. Static NAT 2. Dynamic NAT 3. PAT distribution layer ( distribution layer ) the Cisco intermediate three layer hierarchical model, which contribute to the design, installation and maintenance Physical layer : rate , voltage , pin interface type Bit Ip add 10.1.1.1 255.255.255.0 AAL2 ATM Adaptation Layer ----- ITU-T 2 recommendations four AAL one , to support variable bit rate connection-oriented traffic, such as voice traffic see AAL To authenticate, the user and password uniquely identify them. B (config-if) #ip nat inside configured S0 interface inside the network Packaging method. HDLC is a bit-oriented synchronous data link layer protocol created by ISO , which originated from SDLC . However, most HDLC vendor implementations ( including Cisco 's ) is patented. See SDLC . Backbone ( backbone ) basic part of the network, which provides sent to other networks and other networks originating from =========================================================== =============== Configuration register starts the configuration key , and modifying it will affect the startup sequence of the Router . Encapsulation PPP enables PPP on the interface Connectionless ( no connection ) does not require the creation of data transfers from virtual circuits. It has no overhead, try its best Source : 10.3.3.1 Cell ( Cell ) the ATM network, the basic unit of data switching and multiplexing. The cell has a 53 byte An incident has occurred. Can be abbreviated as ACK . Control NAK . =========================================================== =============== AFI privilege and format identifier (Authority and Format Identifier) ​​A part of the NSAP ATM address Enable enter privileged mode The input is copied over the length of the medium and received by all other stations. Compare ring and star . ATMARP server (ATMAPR server ) provides a logical subnet to run the address resolution service. This routing algorithm group repeats the number of hops in a given route, requiring each router to send its complete updated routing table, but only to its neighbors. This routing algorithm has a tendency to generate loops, but is simpler than the link state algorithm. See link-state routing al-gorithm and SPF . coimnection ID ( connection ID) each into the router's Telnet identifying the session analysis. Show sessions 1.Down 2.Init 3.Two-Way 4.ExStart Line conosle 0 to consolo 0 R14(config)#interface bri 0 R14(config-if)#encapsulation ppp 10Gbps 2 Show sessions to view " I " telnet outgoing sessions Count to infinity ( calculation to infinity ) routing problem in a routing algorithm, routers continue to increase Handshake ( handshake ) to ensure synchronous transmission of a series of operations exchanged between two or more devices on a network. Spanning-tree vlan 1 priority ? Modify the priority of the switch to change the cost cost of the interface access rate ( access speed ) ----- bandwidth rate defined circuit. For example, the access rate of the T-1 circuit is Count to infinity ( calculation to infinity ) routing problem in a routing algorithm, routers continue to increase Configure a static default route to indicate which interface to send to the unknown network , which interface to send the packet R14 (config) #ip route 0.0.0.0 0.0.0.0 bri 0 3. The switch and all the segments ( ports ) of the bridge are in the same broadcast domain. EIGRP and OSPF . 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. debug ip rip debug RIP routing System Autonomous ( AS ) refer to the AS . B (config-if) #ip nat outside arranged S1 interface outside the network to a source internal address 192.168.1.10 translated into an external IP is 1.1.1.1 B (config) #ip nat inside source static 192.168.1.10 1.1.1.1 A technique that allows for more data. 1.Server mode < main > 2.Client mode < time > 3.TransParent mode < transparent > Free Fragment Forwarding (cisco private technology ): between pass-through forwarding and storage forwarding performance . Rip : Router information protocol It consists of a router or access server or several routers or access servers, using inter-access tables and other methods to ensure the security of the private network. dixed configuration router ( fixed router ) can not be used to upgrade any new interfaces of the router. A technique that allows for more data. Protocols : TCP mask address ( address mask ) a bit pattern descriptor,ccie security gns3 lab topology, which identifies which portion of a network address of the representative ASBR autonomous system boundary router (Autonomous System Boundy Router) one on A working node gets information about the attached network. This information is then used by the interface for its own configuration. This interface of the 7000 Series router minimizes the performance bottleneck of the UNI . Participate in AAL3/4 private AAL5 . Hostname configures the host local ID Store and forward , re-calculates the frame's FCS original frame FCS compared , to decide to forward or discard . Freedom fragment forward , only the first detection frame 64 bytes , determining the integrity of the frame . Different frequency and phase relationships. Asynchronous transfers typically encapsulate a single character in control bits ( called start and stop bits ) Access-list 100 permit IP any any can CPCS CPCS layer (Common Part Convergence Sublayer) two business frequency ( frequency ) number of cycles per unit time of the AC signal, in hertz ( cycles per second ) measurement. 1. Static NAT 2. Dynamic NAT 3. PAT The interconnected network acts as a virtual link through an external network ( such as TCP/IP) . See AURP . DNS Domain Name System (Domain Name System) is used to resolve host names to IP addresses. The command gives the connection from the local router to the remote router. The snow users command displays the connection ID of the remote login to the local router user . ATP AppleTalk transaction protocol (AppleTalk Transaction Protocol) a transport layer protocol, E-1---- A wide-area digital transmission scheme commonly used in Europe to transmit data at a rate of 2.048 Mb/s . mask address ( address mask ) a bit pattern descriptor, which identifies which portion of a network address of the representative ATP AppleTalk transaction protocol (AppleTalk Transaction Protocol) a transport layer protocol, Register cofiguration ( Configuration Register ) ----- in hardware or software stored in a 16 -bit value may be configurable, it is determined during initialization Cisco router functions. In hardware, the bit position is set using a jumper. In software, it is set by the specified special bit pattern, which is configured with a hexadecimal value along with the configuration command to set the boot options.