BROCADE IP PRIMER

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Moving TRILL DataMAC-RB4MAC-RB1RB3RB1MAC-TMAC-HDataMAC-TMAC-HData2. RB1 addsTRILL headerand outerMAC header1. HostsendsframesRB1RB4Host3. RB3removesTRILLheaderRB2RB5TargetMAC-RB3MAC-RB1RB3RB1MAC-TMAC-HDataRB34. TargetreceivesframesMAC-TMAC-HDataThe new TRILL header is in exactly the same format as a legacy Ethernetheader. This allows bridges (switches) that are not aware of TRILL to continueforwarding frames according to the rules they've always used. The sourceaddress used in the TRILL header is the address of the RBridge adding theheader. The destination address is determined by consulting the tables builtby the link-state routing protocol.When a frame with a TRILL header is received by an RBridge, the RBridgeremoves the header and examines the original source and destinationaddresses. It then creates a new TRILL header using the method describedabove and forwards the frame. The last RBridge receiving a frame prior to thedelivery of the frame to either the destination or the local segment that connectsto the destination removes the TRILL header and forwards the frame.RB4RB5RB3(AF VLAN 1)RB1RB2(AF VLAN 2)HostTargetRBTRILLEncapsulationRB BBrocade <strong>IP</strong> Primer 95
Chapter 4: TRILL—Adding Multi-Pathing to Layer 2 NetworksSummary• Transparent Interconnection of Lots of Links (TRILL) is a new draft standardbeing created by IETF.• The goal of TRILL is to create a Layer 2 shortest path routing protocol toreplace STP and enable Layer 2 multi-pathing capability.• The more resilient L2 will fulfill the needs of virtualized applications anddata migration.• It will also enable multi-hop capabilities for FCoE that will drive theexpanded adoption of the new technology in converged networkenvironments.NOTE: There are no review questions and answers for this chapter.96 Brocade <strong>IP</strong> 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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Page 62 and 63: The SubnetTable 2. Understanding Su
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Page 68 and 69: Layer 4 TCP/IP: TCP/UDPRFC 1918 spe
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Page 72 and 73: Transmission Control Protocol (TCP)
Page 74 and 75: User Datagram Protocol (UDP)When it
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Page 82 and 83: Packet CapturingTcpdump is a comman
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Page 86 and 87: Chapter Review Questions3. What is
Page 88 and 89: Answers to Review Questionscan't us
Page 90 and 91: Data Center Bridging (DCB)3Introduc
Page 92 and 93: Introduction802.1Qbb: Priority-base
Page 94 and 95: The Ethernet PAUSE Functionresponsi
Page 96 and 97: Enhanced Tranmission SelectionFrom
Page 98 and 99: Data Center Bridge eXchangeData Cen
Page 100 and 101: Building the DCB CloudBuilding the
Page 102 and 103: Summary• Enhanced Transmission Se
Page 104 and 105: TRILL—Adding Multi-Pathingto Laye
Page 106 and 107: Why do we need it?To address this p
Page 108 and 109: The TRILL ProtocolJust as important
Page 112 and 113: Load Balancing Basics5With the rise
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Page 126 and 127: Chapter Review Questions• Direct
Page 128 and 129: Chapter Review Questions7. Your loa
Page 130 and 131: Answers to Review Questions9. d. Yo
Page 132 and 133: Part Two: SwitchingThe following ch
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Page 136 and 137: Accessing the CLIThis is not the on
Page 138 and 139: Online HelpFor your convenience, yo
Page 140 and 141: The configProbably the most recogni
Page 142 and 143: Software (and where it's stored)All
Page 144 and 145: Software (and where it's stored)Let
Page 146 and 147: show commandsThe copy command can b
Page 148 and 149: clear commandsThere's one more show
Page 150 and 151: Configuring the InterfaceHere's an
Page 152 and 153: PingSource . Particularly if you ar
Page 154 and 155: Filters and Regular ExpressionsThis
Page 156 and 157: User Access ControlUser Access Cont
Page 158 and 159: 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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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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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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BI4XGBI24CT X RX T X RX T X RX T X
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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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BI4XGBI4XGBI24CBI24CBI24C16T X RX T
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Configuring BGPTo summarize, the pe
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Configuring BGPBut how do we use ou
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NetScreen - 204BI4XGBI24CT X RX T X
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SummarySummary• BGP is the standa
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Answers to Review Questions7. What
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Security, Redundancyand More14We've
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Security: Access Control Lists (ACL
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RXTXCle a rChannel T3Test A IS Y e
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Access Control Lists: Not Just For
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Redundancy: Virtual Router Redundan
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SummaryThe other processing mechani
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Answers to Review QuestionsAnswers
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Part Four: Layer 4-7Switching (Load
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Server Load Balancing (SLB)15Welcom
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The Brocade ServerIronThe Managemen
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The Brocade ServerIronAttackerEcho
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ServerIronThe Brocade ServerIrondoe
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Predictors• Round-robin. This is
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Configuring SLBGoing back to our in
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Configuring SLBWhen a real server p
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SLB show CommandsSLB show CommandsT
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SLB show Commands• Active (ACT).
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Configuring Direct Server Return (D
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ServerIronServerIronBI4XGBI4XGBI24C
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Symmetric Server Load BalancingIf y
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Remote ServersIn this scenario, Ser
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Summary— Server response time onl
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Chapter Review Questions5. Which co
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424C424C424C424C424C424CConsolePwrA
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Session PersistenceNow, let's say t
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Session PersistenceWhen a sticky se
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Session PersistenceNow, you must en
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URL SwitchingURL SwitchingURL switc
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424C424C424C424C424C424CConsolePwrA
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Configuring Transparent Cache Switc
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SummarySummary• Policy-based SLB
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Chapter Review Questions6. Which pe
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NetScreen - 204BI4XGBI4XGBI24CBI24C
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NetScreen - 204POWERSTATUS-1ALARMHA
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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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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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