BROCADE IP PRIMER

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The Brocade ServerIronThe Management ModuleServerIron management modules have a dual-core processor, one consoleport, and one USB port, along with space for an optional mezzanine daughtercard. The optional daughter card currently provides SSL capabilities, such asSSL termination and SSL-Proxy.Interface ModulesAll line card packet processors support Layer 2-3 virtualization, and theServerIron chassis can scale to support even higher I/O in the future as modular40 Gbps and 100 Gbps line card interfaces become available.Three configurations of ServerIron line cards are available:• 12×1 Gbps copper (RJ45)Brocade IP Primer 327
Chapter 15: Server Load Balancing (SLB)• 12×1 Gbps fiber (SFP)• 4×10 Gbps fiber (XFP)For more specific information on available models and specifications, pleasesee Brocade's web site (http://www.brocade.com/).Attack ProtectionWith all that processing power, and the fact that the ServerIron is analyzingthrough Layer 7 of each packet, it seemed only natural to include some protectionagainst common attacks. The attacks we're going to cover here are basicDistributed Denial of Service (DDoS) attacks. These are attacks that aredesigned to make some remote service or function (often on the Internet)inaccessible.Smurf Attack (ICMP)This attack was called “smurf” after the program that was written to initiatethe attack. The attacker chooses a target (typically a single IP address). Theattack then sends a ping with its source IP address spoofed as the address ofthe target. This ping would be to a broadcast address of, preferably, a largenetwork. Potentially hundreds of machines would receive the ping, and sendtheir replies to the hapless target (as the original ping “appeared” to comefrom it).328 Brocade IP Primer
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BROCADEIPPRIMERFIRST EDITIONEveryth
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Important NoticeUse of this book co
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ContentsChapter 2: TCP/IP .........
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ContentsPart Three: Layer 3 Switchi
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ContentsRedundancy: Virtual Router
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ContentsCheck 5: Available Session
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Part One: Introduction toNetworking
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Networking Basics1The world of comp
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The OSI Reference ModelEach of thes
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The OSI Reference ModelApplicationA
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The Application Layer (Layer 7)This
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The Session Layer (Layer 5)You inte
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The Transport Layer (Layer 4)So, wh
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The Transport Layer (Layer 4)point,
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The Data Link Layer (Layer 2)By far
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The Physical Layer (Layer 1)One oth
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Layer 1 Ethernet (Cabling)What if a
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Layer 1 Ethernet (Cabling)Twisted P
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Console49F Link 50F1 3 5 7 9 1113 1
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Layer 1 Ethernet (Cabling)SC connec
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Layer 2 Ethernet (Addressing)Ethern
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Half-duplex vs. Full-duplexine, thi
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Brocade Ethernet Switches & Routers
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Chapter Review Questions5. What lay
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TCP/IP2The most popular protocol st
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Console49F Link 50F1 3 5 7 9 1113 1
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Network Classes128 64 32 16 8 4 2 1
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Network ClassesWhat we haven't talk
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BI4XGBI4XGBI24CBI24CBI24C16T X RX T
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The SubnetTable 2. Understanding Su
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Console49F50FLinkPower1 3 5 7 9 111
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BI4XGBI24CT X RX T X RX T X RX T X
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Layer 4 TCP/IP: TCP/UDPRFC 1918 spe
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Layer 4 TCP/IP: TCP/UDPtions will a
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Transmission Control Protocol (TCP)
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User Datagram Protocol (UDP)When it
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49F Link 50FPower11F 2F 3F 4F32Cons
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49F Link 50FPower11F 2F 3F 4F49F Li
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Console49F Link 50F1 3 5 7 9 11 13
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Packet CapturingTcpdump is a comman
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SummaryYou'll typically need some s
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Chapter Review Questions3. What is
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Answers to Review Questionscan't us
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Data Center Bridging (DCB)3Introduc
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Introduction802.1Qbb: Priority-base
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The Ethernet PAUSE Functionresponsi
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Enhanced Tranmission SelectionFrom
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Data Center Bridge eXchangeData Cen
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Building the DCB CloudBuilding the
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Summary• Enhanced Transmission Se
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TRILL—Adding Multi-Pathingto Laye
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Why do we need it?To address this p
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The TRILL ProtocolJust as important
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Moving TRILL DataMAC-RB4MAC-RB1RB3R
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Load Balancing Basics5With the rise
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Co ns ol ePwrCC U1 PU 2 PU 3TxActRx
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49F Link 50FPowerConsole1 3 5 7 9 1
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Console49F Link 50F1 3 5 7 9 11 13
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Co ns ol ePwrActi veC PU 2 PU 3C PU
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Chapter Review Questions• Direct
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Chapter Review Questions7. Your loa
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Answers to Review Questions9. d. Yo
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Part Two: SwitchingThe following ch
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J-FxGMR4Ac ti veLi nkLinkLinkLi nkP
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Accessing the CLIThis is not the on
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Online HelpFor your convenience, yo
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The configProbably the most recogni
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Software (and where it's stored)All
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Software (and where it's stored)Let
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show commandsThe copy command can b
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clear commandsThere's one more show
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Configuring the InterfaceHere's an
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PingSource . Particularly if you ar
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Filters and Regular ExpressionsThis
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User Access ControlUser Access Cont
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User Access ControlIf you were to c
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User Access ControlBy default, a ne
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User Access ControlYou can also con
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User Access ControlSNMP also allows
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The Web UIYou can see that you have
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SummaryBut what if you want to disa
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Chapter Review Questions2. Which RM
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Answers to Review Questions5. c. Th
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49FLinkPower50FConsole1 3 5 7 9 111
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Console49F Link 50F1 3 5 7 9 1113 1
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Switch TrunksYou define static trun
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show CommandsOperational trunks:Tru
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Chapter Review Questions3. Which ty
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Virtual Local Area Network(VLAN)8No
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Console49F Link 50F1 3 5 7 9 1113 1
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Console49F Link 50F1 3 5 7 9 1113 1
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Configuring VLANsNow, we need to se
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Configuring VLANsVLAN, and add it b
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PowerPower49F Link 50F49F Link 50FC
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PowerPower49F Link 50FConsole1 3 5
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PowerPower49F Link 50F49F Link 50FC
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PowerPowerPower49F Link 50F49F Link
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VLAN GroupsYou also have to assign
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Chapter Review QuestionsChapter Rev
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Answers to Review Questions4. a. An
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Console49F Link 50F1 3 5 7 9 1113 1
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Console49F Link 50F1 3 5 7 9 1113 1
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49FLinkPower49FLinkPower50F50FConso
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IEEE 802.1d (Spanning Tree Protocol
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IEEE 802.1d (Spanning Tree Protocol
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49FLinkPower49FLinkPower50F50FConso
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Console49F Link 50F1 3 5 7 9 1113 1
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IEEE 802.1s (MST)Port IEEE 802.1W P
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IEEE 802.1s (MST)another instance o
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Console49F Link 50F1 3 5 7 9 1113 1
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SummaryWe need to define this on bo
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Chapter Review Questions4. BPDUs:a.
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Part Three: Layer 3Switching (Routi
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Console49F Link 50F1 3 5 7 9 11 13
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The Routing TableLet's take a momen
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Console49F Link 50F1 3 5 7 9 11 13
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49F Link 50FPower11F 2F 3F 4F32Cons
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Console49F Link 50F1Power1F 2F 3F 4
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The “Null” RouteTo see RIP's ro
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Chapter Review Questions2. What is
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Open Shortest Path First(OSPF)11We
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Getting to Know Your NeighborsHello
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Autonomous Systems (AS)This still d
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Link State Advertisement (LSA)A NSS
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Configuring OSPFIf you use a loopba
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Configuring OSPFHere's an example t
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Summary• show ip ospf virtual-lin
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Chapter Review Questions3. By defau
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Multi Protocol LabelSwitching (MPLS
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What is MPLS?Step 4. The labeled pa
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MPLS Virtual Leased Lines (VLL)Step
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MPLS Layer 3 VPNsTo validate the co
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MPLS Layer 3 VPNsConfiguring MPLS L
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Border Gateway Protocol(BGP)13For m
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The Autonomous System (AS)As of 201
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Page 294 and 295: Configuring BGPTo summarize, the pe
Page 296 and 297: Configuring BGPBut how do we use ou
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Page 300 and 301: SummarySummary• BGP is the standa
Page 302 and 303: Answers to Review Questions7. What
Page 304 and 305: Security, Redundancyand More14We've
Page 306 and 307: Security: Access Control Lists (ACL
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Page 320 and 321: RXTXCle a rChannel T3Test A IS Y e
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Page 324 and 325: Access Control Lists: Not Just For
Page 326 and 327: Redundancy: Virtual Router Redundan
Page 332 and 333: SummaryThe other processing mechani
Page 334 and 335: Chapter Review QuestionsChapter Rev
Page 336 and 337: Answers to Review QuestionsAnswers
Page 338 and 339: Part Four: Layer 4-7Switching (Load
Page 340 and 341: Server Load Balancing (SLB)15Welcom
Page 344 and 345: The Brocade ServerIronAttackerEcho
Page 346 and 347: ServerIronThe Brocade ServerIrondoe
Page 348 and 349: Predictors• Round-robin. This is
Page 350 and 351: Configuring SLBGoing back to our in
Page 352 and 353: Configuring SLBWhen a real server p
Page 354 and 355: SLB show CommandsSLB show CommandsT
Page 356 and 357: SLB show Commands• Active (ACT).
Page 358 and 359: Configuring Direct Server Return (D
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Page 362 and 363: Symmetric Server Load BalancingIf y
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Page 372 and 373: Session PersistenceNow, let's say t
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Page 382 and 383: Configuring Transparent Cache Switc
Page 384 and 385: SummarySummary• Policy-based SLB
Page 386 and 387: Chapter Review Questions6. Which pe
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NetScreen - 204POWERSTATUS-1ALARMHA
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FWLB show CommandsAs we mentioned a
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Stateful FWLBresponse, it will try
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Chapter Review QuestionsChapter Rev
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Answers to Review Questions8. a. Tr
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Global Server Load Balancing(GSLB)1
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Domain Name Service (DNS)take the n
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Enter: Global Server Load Balancing
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How Does GSLB Decide?Now, I mention
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How Does GSLB Decide?Check 6: Flash
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Configuring GSLBIt's the address of
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GSLB show CommandsNext, there may b
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Chapter Review Questions1. What doe
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Answers to Review Questions5. b. Th
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Glossary10Base-T An Ethernet specif
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GlossaryAuthentication This is the
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GlossaryDCB Data Center Bridging. T
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GlossaryFrame This is the data unit
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GlossaryLACPDU Link Aggregation Con
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GlossaryNIC Network Interface Contr
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GlossaryRoot switch In Spanning Tre
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GlossaryTAC Technical Assistance Ce
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GlossaryVirtual link In OSPF, all a
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BROCADE IP PRIMERFIRST EDITIONThe w
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BROCADE IP PRIMER

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