BROCADE IP PRIMER

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Chapter Review Questions3. What is the broadcast address of 172.16.25.33 255.255.255.224?a. 172.16.25.255b. 172.16.0.0c. 172.16.25.63d. 172.16.25.1284. What is the last segment sent in a TCP three-way handshake?a. SYNb. FINc. SYN/ACKd. ACK5. What subnet mask for 192.168.100.0 will give me only 14 usable hostaddresses?a. 255.255.255.0b. 255.255.255.240c. 255.255.224.0d. 255.255.255.2246. Which translation protocol will translate based on Layer 3 addresses andLayer 4 ports?a. NATb. ARPc. PATd. ICMP7. Which subnet mask should I use if I need 50 subnets and 1,000 hosts foreach subnet, if I'm using 172.16.0.0?a. 255.255.0.0b. 255.255.252.0c. 255.255.255.0d. 255.255.224.08. What Layer 3 protocol matches an IP address with a MAC address?a. NATb. PATc. ARPd. ICMPBrocade IP Primer 71
Chapter 2: TCP/IP9. I have an IP address of 192.168.100.100/27. What is my networkaddress?a. 192.168.100.0b. 192.168.100.100c. 192.168.100.27d. 192.168.100.9610. What class is 138.232.49.3 in?a. Class Ab. Class Bc. Class Cd. Class DAnswers to Review Questions1. b. UDP is connectionless. TCP is connection-oriented. IP and ARP are notLayer 4 protocols.2. a. SSL uses TCP 443. TCP 80 is HTTP. TCP 25 is SMTP. There is no wellknownprotocol for UDP 443.3. c. The subnet mask translates to 27 bits. 172.16.25.33 translates to1010 1100 . 0001 0000 . 0001 1001 . 0010 0001. The first 27 bits arein bold. This is the network address. That means that the broadcastaddress would be: 1010 1100 . 0001 0000 . 0001 1001 . 0011 1111 or172.16.25.63.4. d. The sequence is SYN - SYN/ACK - ACK. The last segment is an ACK.5. b. How many host bits do you need? Well, two bits will give you two usablehosts ( 2 x 2 = 4, then subtract 2 for network and broadcast addresses;you're left with 2 ). Three bits will give you six usable hosts ( 2 x 2 x 2 = 8;8 - 2 = 6 ). Four bits will give you 14 usable hosts ( 2 x 2 x 2 x 2 = 16; 16 -2 = 14 ). If you need four bits for the hosts, that leaves 28 bits for the network( 32 - 4 = 28 ). A 28-bit mask looks like 1111 1111 . 1111 1111 .1111 1111 . 1111 0000 (or 255.255.255.240).6. c. PAT translates based on both Layer 3 (IP) addresses and Layer 4 (TCP/UDP) ports. NAT translates based only on Layer 3 addresses. ARP is notreally a translation protocol, but it does match IP addresses to MACaddresses. ICMP is not a translation protocol.7. b. For questions like these, it's usually easier to work out the small numberfirst, so let's look at the network requirement. We know from question5 that four bits will give us 14 usable addresses. Five bits will give us 30usable addresses (2 x 2 x 2 x 2 x 2 = 32; 32 - 2 = 30). Six bits will give us62 usable addresses (2 x 2 x 2 x 2 x 2 x 2 = 64; 64 - 2 = 62), so six bits iswhat we need for the networks. 172.16.0.0 is a Class B IP network, so we72 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
Page 36 and 37: Layer 1 Ethernet (Cabling)What if a
Page 38 and 39: Layer 1 Ethernet (Cabling)Twisted P
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Page 42 and 43: Layer 1 Ethernet (Cabling)SC connec
Page 44 and 45: Layer 2 Ethernet (Addressing)Ethern
Page 46 and 47: Half-duplex vs. Full-duplexine, thi
Page 48 and 49: Brocade Ethernet Switches & Routers
Page 50 and 51: Chapter Review Questions5. What lay
Page 52 and 53: TCP/IP2The most popular protocol st
Page 56 and 57: Network Classes128 64 32 16 8 4 2 1
Page 58 and 59: 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 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 110 and 111: Moving TRILL DataMAC-RB4MAC-RB1RB3R
Page 112 and 113: Load Balancing Basics5With the rise
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Page 128 and 129: Chapter Review Questions7. Your loa
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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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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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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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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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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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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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Configuring BGPTo summarize, the pe
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Configuring BGPBut how do we use ou
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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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