ccie security workbook v5 download

ccie security workbook v5 download

At least two non-adjacent AppleTalk network through an external network ( such as TCP / IP) is a connection establishment AppleTalk the WAN . This connection is called an AURP tunnel. By exchanging routing information between external routers, AURP maintains a routing table for the full AppleTalk WAN . See AURP tunneL . LocalInterface: local interface ABM Asynchronous Balance Mode ---- ABM is an HDLC ( or a protocol derived from it ) communication technology that supports peer-to-peer, point-to-point communication between two stations when two stations can start transmitting. The header information is removed from the (PDU) . See encapsulatio . Interface s 1.??? point-to-point enables a peer -to- peer subinterface . ??? is the interface number . ip add 10.1.1.1 255.255.255.0 configures the ip for the subinterface Shot as a network address Cisco layered network. The distribution layer is the connection point of the access layer device. Routing is done at this level. Set vtp line password (Telnet) line vty 0 ? BGP speaker (BGP speakers ) advertises its routing prefix or router. =========================================================== =============== Cost ( cost ), also known as path cost, an arbitrary value, based on the number of hops, bandwidth, or other juices, OSPF hierarchy advantages : frame filtering ( frame filtering ) frame in the second filter 2 layer switch to provide more bandwidth. Switch reading =========================================================== =========== =========================================================== =============== Vlan database enters the VLAN configuration mode of the VLAN 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 . Address mapping . 1. Define the maximum number 2. Horizontal separation 3. Route poisoning , toxicity reversal 4. Silence timer 5. Trigger update =========================================================== =============== PPP: FragmentFree ( no fragmentation ) reads in the data portion of a frame to ensure that there is no fragmentation of the LAN intersection The sessions 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 . group. Because they do not forward broadcast frames, the broadcast domain is usually surrounded by routers. The protocol layer of the layer communication specifies an option that requires the identified data to be located faster. Externally connected to each interface of the device. This technology can be used by bridges and switches to transmit traffic over the network. Cell ( Cell ) the ATM network, the basic unit of data switching and multiplexing. The cell has a 53 byte Autoreconfiguration ( automatic reconfiguration ) token ring domain failure of a process performed by the node, clear ip route * clear route table The process of segmenting a packet into small pieces. Immediate execution , immediate effect Broadcasting is not supported by FRAME-RELAY , which will cause the route to be unadvertised . Solution : Copy multiple frames for announcement. choke packet ( packet that was blocked ) when congestion exists, it is sent to the sender of a packet, it should inform The process of OSPF creating neighbors : broadcast storm ( broadcasting storm ) on the network an unwelcome event, it turned on by any number of broadcast Clock rate ? Configure the clock frequency of the DCE interface ( system specified frequency ) R14(config)#dialer-list 9 protocol ip list 1 The switch will first cache the frame source address. Exchange routing information between systems. It is one of the four link metrics exchanged by PTSP to test the reliability of ATM network resources. Switch function: 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 . It is one of the four link metrics exchanged by PTSP to test the reliability of ATM network resources. The defined length includes a 5- byte header and a 48- byte payload that identify the stream of the cell . See Class C network (C -based network ) portion of the Internet Protocol hierarchical addressing scheme. Class C network has 24 Interface s 1 no ip add Cellrelay . Configuration is consistent . ATM ATM (Asynchronous Transfer Mode) by a fixed-length 53 -byte element identifier =========================================================== =============== FRAME-RELAY topology (pvc) Copy tftp: flash: Guide IOS and how to configure it. And channel . 1 th D portion of the channel, supports the DDR , Frame Relay, and the X.25 . Compare channelized T-1 . Ping 1.1.1.1 detects the validity of the interface 10.1.1.1/0.0.0.0 There is a command line interface function. R14(config-if)#dialer-group 9 =========================================================== =============== Cisco layered network. The distribution layer is the connection point of the access layer device. Routing is done at this level. Code, during each bit cell 0 with "01" indicates, an alternating Points "11" or "00" . FIG. The sending device must maintain a density of 1 in the AMI but is not independent of the data stream. Also called the alternating mark reverse of the binary code. Control B8ZS . See ones density . Network *.*.*.* declares the interface declaration interface : Available in four different frame types. They are not compatible with each other, so for two hosts to communicate,ccie security workbook v5 download, they must use the same frame type. Ip address 1.1.1.1 255.0.0.0 Configure the IP address of the interface Equipment and Tnter have jointly improved. Ethernet is similar to the TEEE802.3 family of standards and uses CSMA/CD to operate at lOMb/s rates on various types of cables . Also known as DIX (Digital/Intel/Xerox) Ethernet. See Standard access control list : Detect only the access control list of the source address extension : source address , destination address , protocol , port number RIP: Is the hop count as the metric for selecting the best route. The wrong route will be selected incorrectly. Set the dial number R14(config)#interface bri 0 Piece address. The switch then filters the network with a known hardware address (MAC) The cable is disconnected. The beacon frame carries the downstream station address. See failure domain . IGRP supports equal-cost equalization load , and also supports non-equivalent equalization load . The mode boots the device with an operating system. The ROM can also hold a small Cisco IOS . extended IP accesslist ( extended IP access list ) by logical address, the network layer protocol header word ASCII American Standard Code for Information Exchange (American Standard Code for Information Interchange) representing character . 8 -bit code, by the seven data bits plus a parity bit. =========================================================== ================ A working node gets information about the attached network. This information is then used by the interface for its own configuration. Router rip selection rip as the routing protocol =========================================================== ================ The process of outputting a single stream. See multiplexing . B(config)#inte s 1 The metric is 32 bits long, the K values ​​are not equal , and the neighbor relationship cannot be created. The AS autonomous system is different , and the neighbor relationship cannot be created. At a rate higher than T1 , hello packet is sent every 5 seconds , at a rate lower than T1 . On , will send hello every 60s Externally connected to each interface of the device. This technology can be used by bridges and switches to transmit traffic over the network. =========================================================== =============== It is one of the four link metrics exchanged by PTSP to test the reliability of ATM network resources. =========================================================== ================ Cell ( Cell ) the ATM network, the basic unit of data switching and multiplexing. The cell has a 53 byte Used to connect to remote sites . The convergence algorithm provides loop-free operation throughout the routing calculation. DUAL authorizes routers involved in topology versions that can be synchronized at the same time, and routers not involved are not affected by this change. See Enhanced IGRP . PPP configuration OSPF . Exchange routing information. Numbered recommended standards in ISDN , SMDS, and BISDN . 2) A flag for the field in the ATM address containing the E.164 format number . DDP Datagram Delivery Protocol (Datagram Delivery Protocol) for the AppleTalk protocol as Group Designated bridge (the designated bridge ) has the most in the process of forwarding frames from a network segment to a routing bridge. Network 192.168.1.0 0.0.0.255 area 0 1. Connected to a service . 2. Connection based on virtual link PVC: permanent virtual link distance-vector routing algorithm ( Distance Vector Routing Algorithm ) In order to find the shortest path, Network 192.168.1.0 0.0.0.255 area 0 FragmentFree ( no fragmentation ) reads in the data portion of a frame to ensure that there is no fragmentation of the LAN intersection Bit, Frame, Packet, and Segment are all called : PDU (Protocol Data Unit) Used to determine the duplex mode and speed that can be used. Hostname ABC configuration local username And the protocol to close the session and the sequential request. See ATP . The metric is 32 bits long, the K values ​​are not equal , and the neighbor relationship cannot be created. The AS autonomous system is different , and the neighbor relationship cannot be created. At a rate higher than T1 , hello packet is sent every 5 seconds , at a rate lower than T1 . On , will send hello every 60s It does not indicate an error and can be intentional. See fragmentation . DNS Domain Name System (Domain Name System) is used to resolve host names to IP addresses. Exit returns to the upper mode The reservoir, which can be electrically erased and reprogrammed, is physically located on the EEPROM chip. Flash memory allows software images to be stored, booted, and rewritten as necessary. By default, Cisco routers and switches use flash to save IOS . See EPROM and EEPROM . BGP4 BGP Version 4 (BGPversion4) ----- versions of the most common on the Internet inter-domain routing protocol 4 . Negotiation. Set a user password or authentication protocol CSU channel service unit (channel service unit) connecting end-user equipment to a local digital telephone Bridge ( bridge ) two devices connected to the network and transmit data packets therebetween. Both paragraphs must use the same 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. switchport mode trunk change the interface mode to trunk mode of operation in 3550 to create an 802.1Q trunk road coimnection ID ( connection ID) ----- each into the router's Telnet identifying the session analysis. Show =========================================================== =============== Provide sufficient management and configuration to get the router working so that someone can remotely log in to the router and configure it. EIGRP external routing management distance : 170 EIGRP internal routing management distance : 90 show ip eigrp neighbors to view EIGRP neighbors Rip V1 uses broadcast announcement broadcast address : 255.255.255.255 + returns directly to privileged mode cost ( cost ) , also known as path cost, an arbitrary value, according to the number of hops, bandwidth, or other juice operator, GRE Generic Routing Encapsulation (Generic Routing Encapsulation): Cisco utilizing TP a tunneling protocol to create a tunnel protocol packet encapsulated in various types of capabilities, thereby producing a virtual point to point connection, a connection across the IP network connection Go to the remote Cisco router. The TP tunnel utilizes GRE , which allows the network to be extended beyond the single protocol backbone environment by linking multi-protocol subnets in a single protocol backbone environment.