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3 4B/5B M H z 100 M H z 10Base M b i t / s 10Base-5 10 M b i t / s 10Base-F I E E E 10 B a s e - F B 1 0 B a s e - F L 1 0 B a s e - F P 10Base-FB IEEE 10Base-F 10Base-FL IEEE 10Base-F F O I R L F i b e r-optic Inter-Repeater Link 10Base-FP IEEE 10Base-F 10Base-T I E E E U T P L A N 10Base-TX IEEE 802.3u P H Y UTP Category 5 S T P 10Base-F 10Base-FX IEEE 802.3u P H Y 10Base-T 10Base-VG IEE 802 L A N H e w l e t t - P a c k a r d AT & T U T P 100 M b i t s / s 100 V G - A n y L A N B a s e - T

4 226 Cisco Catalyst 100VG-AnyLAN B a s e - V G L A N M b i t s / s 802.1d I E E E 802.1p I E E E V L A N d 802.1Q I E E E 4 L A N I E E E C S M A / C D I E E E I E E E I E E E M A N LAN IEEE I E E E L A N V L A I E E E L A N I E E E 7 O S I M A C AAL5 AT M 5 AT M AARP A p p l e Talk Address Resolution Protocol abnormal preamble 8 ABR available bit rate. ac Active hub L A N

5 227 A d a p t i v e A d d r e s s IP address; network address Address error Address Resolution Protocol I P M A C A R P Alignment error 1. IEEE American National Standards Institute A N S I A p p l e Talk O S I 7 A p p l e Talk Address Resolution Protocol A p p l e Ta l k M A C A A R P A r c h i t e c t u r e ARP Address Resolution Protocol ASIC Asynchronous Transfer Mode M b p s G b i t s / s L A N AT M ATM Asynchronous Transfer Mode ATM Forum AT M AT M ATM LANE AT M L A N AT M L A N ATM route server AT M ATM LAN 3 ATM LAN

6 228 Cisco Catalyst 3 attachment unit interface IEEE M A U A U I A U I A U T A t t e n u a t i o n AUI attachment unit interface AUI cable A U I A u t o - n e g o t i a t i o n 10 / 100 B a s e - T available bit rate 5 ATM Forum AT M A B R b a c k b o n e 1. b u s 2. b a n d w i d t h 1. H z M H z 2. b a s e b a n d b a s e l i n e b a s e l i n i n g b e a t d o w n 3 V L A N V L A N AT M VC starvation AT M transit VLAN starvation B-ISDN I S D N AT M b i t 0 1 bit error rate bits per second

7 229 k b i t s / s M b i t s / G b i t s / s T b i t s / s k b i t s / s 1024 BootP Bootstrap Protocol Bootstrap Protocol I P B P D V Bridge protocol data units b r e a k b r i d g e M A C bridge protocol data unit B P D U b r i d g e / r o u t e r / 2 3 b r i d g e r o u t e r b r o a d c a s t broadcast storm network cascade Carrier Sense Multiple Access with Collision Detection IEEE C S M A / C D Cascading hubs Category 1

8 230 Cisco Catalyst T I A / E I A T P 1 M b p s I B M TYPE 1 Category 2 T I A / E I A T P 4 M b p s A R C N E T 4 M b p s Category 3 T I A / E I A T P 10 M b p s 4 M b p s Category 4 T I A / E I A T P 16 M b p s 16 M b p s IBM Type 1 Category 5 T I A / E I A T P 155 M b p s T C N S ARCNET PLUS F D D I AT M IBM Type 1 CCITT Consultative Committee for International Telephone and Te l e g r a p h C e l l Cell delay variation AT M 3 Q o S C D V Cell delay variation tolerance AT M AT C D V T Cell loss ratio AT M 3 Q o S C L R Cell relay AT M Cell transfer delay AT M 3 Q o S C T D Challenge Handshake Authentication Protocol C H A P Password Authentication Protocol CHAP Challenge Handshake Authentication Protocol c h a t t e r N I C N I C

9 231 c i r c u i t classical IP over AT M AT M I P RFC 1577 AT M I P AT M AT M I P I P A R P c l i e n t client/server architecture / C P U client/server model / c o l l i s i o n collision detection collision enforcement c o n g e s t i o n t r a ffic congestion congestion error N I C c o n n e c t i o n connection-oriented service connectionless service

10 232 Cisco Catalyst constant bit rate AT M AT M Consultative Committee for International Telephone and Te l e g r a p h X. 25 X. 400 I T U I T U - T S S c o n t e n t i o n c o n t r o l l e r CRC Cyclic Redundancy Check CRC error C R C Cyclic Redundancy Check Error CRC errors/s C R C C R C C R c r o s s t a l k CSMA/CD Carrier Sense Multiple Access with Collision Detection c u t - t h r o u h adaptive: store-and-forward s w i t c h m o d e cut-through switch mode M A C modified cutthrough switch mode store-and-forward switch mode cyclic redundancy check C R C C R C N I C frame check

11 233 s e q u e n c e d a i s y c h a i n i n g d a t a data link data-link control I S O data-link control layer S N A O S I data-link layer O S I O S I data rate de facto Sun Microsystems N F S I B M S N A de jure IEEE d e l a y destination address a d d r e s s d i fferential Manchester Encoding B a s e V G - A n y L A N DHCP Dynamic Host Configuration Protocol discrete-event simulation

12 234 Cisco Catalyst DNS Domain Naming System d o m a i n domain Naming System I n t e r n e t I P D N S duplexed Ethernet dynamic Host Configuration Protocol I P e m a i l E I A Electronics Industry Association/Telecommunication Industry Association E I A / T I A Electronics Industry Association/Telecommunication Industry Association EIA/TIA 568/569 ELAN Emulated LAN Electronics Industry Association/Telecommunication Industry Association / E I A E I A / T I A E M I Emulated LAN L A N L A N E AT M L A N L A N E L A e n c a p s u l a t i o n end-system designator IPv 6 G S E E S D ER explicit rate

13 235 enterprise network error rate ESD end-system designator E t h e r Christiaan Huygens E t h e r n e t L A N IEEE IEEE MAC C S M A / C D X e r o x X e r o r I n t e l D E C E n e t Ethernet address Ethernet controller ETSI European Telecommunication Standards Institute European Telecommunications Standards Institute C E P T E T S I explicit rate AT M A B R E R explicit tagging V L A N V L A facilities management Fast Ethernet IEEE I E E E 100 B a s e - T 100 B a s e - F 100 M b i t s / s FCS

14 236 Cisco Catalyst frame check sequence FDDI fiber distributed data interface fiber distributed data interface L A N L A N L A N T P - P M D 100 M b i t s / s S M T F D D I fiber optical Inter-Repeater Link L A N F O I R L fiber optics fiber-optic cable FIFO first in first out f i r e w a l l I n t e r n e t first in first out F I F O FOIRL forced collision C R C f r a g m e n t f r a g m e n t a t i o n f r a m e FDDI O S I

15 237 frame check sequence H D L C F C S f r a m i n g g a t e w a y 1. S N A T C P / I P I P X / S P X O S I I P 7 3. r o u t e r Gbps gigabits per second GID G A R P gigabit G b i t Gigabit Ethernet I E E E 1 G b i t / s GIP G A R P g l o b a l s i t e and end system IPv 6 GMRP G A R P G M R L A N M A C graphical user interface Microsoft Wi n d o w s HP OpenVi e w G U I g r o u p w a r e GSE g l o b a l s i t e end system GUI graphical user interface h e a d e r

16 238 Cisco Catalyst heterogeneous ( c o m p u t e r ) n e t w o r k h o p h u b I E E E / Media Access Unit I/O IEEE Institute for Electrical and Electronic Engineers IEEE 802 IEEE 802 O S I IEEE IEEE 802.1d IEEE F D D I IEEE X e r o x C S M A / C D IEEE 802.3u 100 M b p s IEEE I B M L A N / IEEE 802.9a BRI ISDN 10 M b p s 6 Mbps I S D N Switched 56 C S U / D S U T- 1 WA N

17 239 IEEE M A C 1 4 Mbps IEEE Mbps 4 4 i m p e d a n c e implicit tagging V L A N i n d u c t a n c e i n f r a s t r u c t u r e 1. P B X 2. institute for Electrical and Electronic Engineers I E E E i n t e r c o n n e c t i o n i n t e r c o n n e c t i v i t y i n t e r f a c e O S I interframe spacing Mbps m s 100 Mbps 9. 6 m s PA C E International Organization for Standardization 7 O S I International Telecommunications Union C C I T T I T U I T U - T T S International Telecommunications Union/Telecommunications Standards Sector

18 240 Cisco Catalyst / C C I T T X. 25 X. 400 I T U - T S S I n t e r n e t T C P / I P 3 Internet Activities Board I n t e r n e t I n t e r n e t T C P / I P I E T F IRTF I A B internet address I n t e r n e t 2. T C P / I P 3. I P T C P / I P Internet Control Message Protocol I n t e r n e t 1. Internet I C M P Protocol 2. IPv 6 A R P I C M Internet Engineering Steering Group I n t e r n e t I A B I E T F I E S G Internet Engineering Task Force I n t e r n e t Internet Society I n t e r n e t T C P / I P 6 I A B I E T F Internet Packet Exchange I n t e r n e t X e r o x X N S N o v e l l N o v e l N e t Wa r e I P X Internet Protocol I n t e r n e t T C P / I P I C M P 32 4 I P IP next generation Transmission Control Protocol/Internet Protocol Internet service provider I n t e r n e t I n t e r n e t I S D N I S P i n t e r n e t( w o r k) i n t e r n e t w o r k i n g i n t e r o p e r a b i l i t y

19 241 interpacket delay i n t r a n e t We b ip address I P I n t e r n e t I n t e r n e t I n t e r n e t I P IP subnet IP multicast I P I P IP next generation(i P n g) I P I P v 6 IP Security Option(I P S O) I P I P IP subnet I P I P I P I P I P Ipv4 I P IPv 6 Ipv6 R F C 1752 I E T F I P 128 I P I P I P n g IPX I n t e r n e t ISDN P S T N I T U - T ISO International Organization for Standardization ITU International Telecommunications Union ITU-T ITU-TSS International Telecommunications Union/Telecommunications Standards Sector ITU-TTS International Telecommunications Union j a b b e r

20 242 Cisco Catalyst jabber frame 1518 IEEE j a m j i t t e r KB 1024 K Kbps 1000 Kerberos D E S I E T F K e r b e r o s K e r b e r o khz K i l o h e r t z k i l o h e r t z 1000 k H z 20 k H z 1 M H z 1000 khz k i l o b i t k b i t K i l o b y t e K B K k b y t e k i l o m e t e r 1000 m 3200 k m km K i l o m e t e r LAN Local Area Network LAN Emulation L A N A M T F D D I M A C L A N E LAN Emulation Network Node Interface L A N L A N E L N N I L A N E 2. 0 L N N I LAN switch L A N

21 243 L A N 1 L A N AT M LANE LAN Emulation late collision l a t e n c y LDAP Lightweight Directory Access Protocol LEC L A N LES L A N Lightweight Directory Access Protocol I n t e r n e t N O S L D A P LIC logical link control LNNI LAN Emulation Network Node Interface load balancing l o b e M A U local area network L A N logical link control IEEE 802 M A C IEEE I E E E 2 O S I L L C long frame long packet

22 244 Cisco Catalyst C R C loopback test MAC media access control MAN 50 k m management information base M I B m a p p i n g MAU Media Access Unit maximum burst size AT M M B S MB 1024 Mbps megabits per second MCR minimum all rate m e d i a media access control OSI 7 2 M A U Media Access Unit l o b e M A U h u b megabits per second M b p s m e g a h e r t z M H z m e s s a g e 1. L A N

23 P D U 3. f r a m e m e t e r m m e t r i c M b p s metropolitan area network P B X M A N MHz M e g a h e r t z m i c r o s e c o n d µ s m i c r o s e g m e n t a t i o n L A N 3. L A N m i l l i s e c o n d m s minimum cell rate AT M M C R misaligned frame 1-7 F C S modified cut-through switch mode cut-through switch mode; store-and-forward switch m o d e monitor protocol analyzer MPOA Multiprotocol over AT M m u l t i c a s t Multiprotocol over AT M AT M ) AT M I P L A N E M P O A

24 246 Cisco Catalyst NetBIOS / I B M n e t w o r k Network address 7 O S I 3 2 network administrator network analyzer protocol analyzer network cascade broadcast storm N I C network interface card ) network layer O S I network monitor protocol analyzer Network management center N M C Network Management Forum 1 00 O S I Network management system N M S Network-network interface - AT M N N I Network operating system N O S Network topology

25 247 N I C Network interface card NMC Network management control NMS Network management system MNI Network-management interface N o d e Non-real-time variable bit rate AT M AT M n r t V B R NOS network operating system OEM original equipment manufacturer Open Shortest Path First D i j k s t r a O S P F Open Systems Interconnection I S O 7 O S I O S I Open Systems Interconnection reference model OSI model original equipment manufacturer O E M O E M O S OSI Open Systems Interconnection OSI seven-layer reference model OSI 7 OSPF Open Shortest Path First o u t s o u r c i n g

26 248 Cisco Catalyst overlapping VLANs V L A N L A N V L A oversize error oversized frame oversized packet C R C p a c k e t packet buff e r packet burst packet switching PAP Password Authentication Protocol Password Authentication Protocol PA P Challenge Handshake Authentication Protocol patch cord patch panel PCR peak cell rate PDU Protocol Data Unit p e a k peak cell rate

27 249 AT M P C R physical address physical device physical layer O S I PIM protocol-independent multicast p o l l i n g p o r t p r e a m b l e 6 4 presentation layer O S I priority-tagged frame V L A N p r o t o c o l 3 A S C I I protocol address network address protocol analyzer protocol Data Unit O S I P D U protocol-independent multicast I P I P P I M

28 250 Cisco Catalyst protocol stack p r o t o c o l - t r a n s p a r e n t PVC AT M PVID L A N QoS Quality of Service quality of service AT M I P Q o S q u e u e queueing delay l a t e n c y RADIUS Remote Authentication Dial-in User Service RAEP Reverse Address Resolution Protocol real-time variable bit rate AT M r t V B R Remote Authentication Dial-in User Service R A D I U S Remote MONitoring Management Information Base SNMP MIB II I E T F RMON MIB r e p e a t e r 1. l o b e O S I 1 2. request for comments I n t e r n e t I n t e r n e t I n t e r n e t R F C Resource Reservation Protocol AT M I P R S V

29 251 Reverse Address Resolution Protocol T C P / I P M A C IP R A R P Address Resolution P r o t o c o l Revised IP Security Option(RIPSO) I P R F C 1108 I P r i n g 1. POTS 2. RFC request for comments RG routing Goop RIP R J - 11 RJ-45 RMON R M O N 2 RMON2 R M O N R M O N 1 R M O N 2 r o u t e r r o u t i n g Routing Goop IPv 6 G S E I n t e r n e t R G routing table RSVP Resource Reservation Protocol runt frame IEEE

30 252 Cisco Catalyst SCR sustainable cell rate s e r v e r shared media F D D I M A U short packet C R C s i g n a l signal propagation speed simple Network Management Protocol I E T F T C P / I P L A N - T C P / I P S N M P v 2 S N M P S N M P S M I M I B S N M P site topology partition IPv 4 I P v 6 G R E S T P SNA Systems Network Architecture SNMP Simple Network Management Protocol source address spanning tree IEEE 802.1d L A N Spanning Tree Algorithm Digital Equipment Corporation IEEE 802.1d D i g i t a l IEEE 802.1d IEEE 802.1d S TA S TA Spanning Tree Algorithm

31 253 s t a c k a b l e s t a n d a r d I B M S N A star network star topology L A N s t a t i o n FDDI 3. n o d e w o r k s t a t i o n s t o r e - a n d - f o r w a r d store-and-forward switch mode M A C c u t - t h r o u g h switch mode modified cut-through switch mode STP site topology partition store-and-forward switching c u t - t h r o u g h a d a p t i v e s u b n e t I P S u b n e t w o r k I P O S I

32 254 Cisco Catalyst E S I S sustainable cell rate AT M S C R SVC switched ethernet Systems Network Architecture I B M 7 O S I S N A S N A t a g V L A N V L A N tag control information IEEE 802.1Q V L A N T C I tag protocol identifier IEEE 802.1Q V L A N T P I D tag-aware bridges Q tag-aware regions Q L A N tagged frame M A C TCP/IP Transaction Control Protocol/Internet Protocol TDM t e l e c o m m u n i c a t i o n s t e l e c o m m u t e r L A N t e l e c o n f e r e n c e t e l e c o t t a g e TFTP Trivial File Transfer Protocol t h r o u g h p u t

33 255 t i m e - o u t t o k e n token bus token passing token ring TopN R M O N t o p o l o g y TPID tag protocol identifier TP-PMD F D D I t r a ff i c t r a ffic congestion t r a ffic jam transaction Control Protocol/Internet Protocol T C P / I P t r a n s c e i v e r

34 256 Cisco Catalyst transit VLAN starvation V L A N AT M 3 V L A N V L A N b e a t d o w n t r a n s m i s s i o n Transmission Control Protocol/Internet Protocol / I n t e r n e t T C PI n t e r n e t I P I C M P U D A R P F T P S M T T E L N E T T C P / I P Trivial File Transfer Protocol T C P / I P U D T F T T F T P t u n n e l i n g twisted pair T P t w i s t e d - p a i r - p h y s i c a l - m e d i a - d e p e n d e n t ( T P - P M D ) F D D I A N S I S D D D D I C D D I D D I UBR unspecified bit rate undersized error undersized packet 64 C R C UNI user network interface unshielded twisted pair AW G U T P unspecified bit rate AT M AT M U B R untagged frame M A C

35 257 user interface user network interface AT M U N I UTP unshielded twisted pair VC Virtual Channel VC starvation V C AT M 3 V L A N V L A N b e a t d o w n VID L A N virtual bridged local area network L A N virtual channel AT M V C virtual circuit I T U - T virtual LAN L A N O S I 2 3 V L A N virtual path AT M V C V P virtual source/virtual destinations / AT M 3 V S / V D VLAN virtual LAN VLAN Membership Resolution Protocol V L A N G A R P V M R P VLAN-tagged frame V L A N V L A N VMRP VLAN Membership Resolution Protocol VP virtual path

36 258 Cisco Catalyst WAN wide area network wide area network L A N M A N WA wiring closet wiring concentrator F D D I wiring hub Wiring hub F D D I Wo r k s t a t i o n FDDI n o d e s t a t i o n X.500 I T U - T N o v e l l B a n y a n

工程师培训

工程师培训 .1 TCP/IP TCP/IP 1 .2.2.1 Host 1960 S 1970 S Host Low Speed Lines 1970 S 1980 S pc Server Local Interneting 1980 S 1990 S Branch. pc Branch. WAN Branch. pc pc IBM SNA IBM X.25 2 .2.2 OSI OSI Application