BROCADE IP PRIMER

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424C424C424C424C424C424CConsolePwrActive10/100/1000EthernetFastIron SX800LinkAct1 LinkAct2424C424C424C424C424C424CPwrActiveConsole10/100/1000EthernetLinkAct1 LinkAct2Session Persistence andTransparent Cache Switching16We've covered SLB and various redundancy methods in the previous chapter.Let's explore load balancing options in a bit more detail.Policy-based Server Load Balancing (PBSLB)Policy-based Server Load Balancing permits you to load balance to certaingroups of real servers depending on the source IP address of the client.rs11.2.3.4rs2123.2.1.3rs3Image 1 Image 2This is often looked at as the ability to load balance based on source IPaddress, destination IP address and port because the switching decision istied to the virtual server port.Brocade IP Primer 355
Chapter 16: Session Persistence and Transparent Cache SwitchingPolicy-based SLB highlights:• Policy-based SLB is enabled for individual ports on virtual servers• Because policy-based SLB is enabled on a per-VIP basis, some VIPs configuredon the ServerIron ADX can have policy-based SLB enabled, whileothers do not• Policy-based SLB can exist on a standalone device or in high-availabilityconfigurations, such as active-standby, symmetric, and active-activeconfigurations• Policy-based SLB can coexist with other ServerIron ADX features, includingFWLB, NAT, and TCS• Policy-based SLB cannot coexist on the same VIP with Layer 7 switchingfeatures, including URL switching and cookie switchingThe first thing to do is to create groups by assigning each involved real serverport to a relevant group. This is done in the real server config:SLB-ServerIron#conf tSLB-ServerIron(config)#server real rs1SLB-ServerIron(config-rs-rs1)#port http group-id 1 1Here, we've assigned real server “rs1’s” HTTP port to Group 1. There are two“1s” because a group-id is always configured in a range. This should be readas “assigning group-id from 1 to 1.” If we want to assign this real server port togroups 1 through 5, we would use “port http group-id 1 5.”In our example above, let's say that we want HTTP for real server rs1 to be amember of Group1. We want HTTP for real servers rs1, rs2, and rs3 to bemembers of Group 2, and we want our HTTP image servers, image1 andimage2, to be members of Group 3. Configure it like this:SLB-ServerIron#conf tSLB-ServerIron(config)#server real rs1SLB-ServerIron(config-rs-rs1)#port http group-id 1 2SLB-ServerIron(config-rs-rs1)#server real rs2SLB-ServerIron(config-rs-rs2)#port http group-id 2 2SLB-ServerIron(config-rs-rs2)#server real rs3SLB-ServerIron(config-rs-rs3)#port http group-id 2 2SLB-ServerIron(config-rs-rs3)#server real image1SLB-ServerIron(config-rs-image1)#port http group-id 3 3SLB-ServerIron(config-rs-image1)#server real image2SLB-ServerIron(config-rs-image2)#port http group-id 3 3356 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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The SubnetTable 2. Understanding Su
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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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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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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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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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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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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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IEEE 802.1s (MST)Port IEEE 802.1W P
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IEEE 802.1s (MST)another instance o
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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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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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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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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 342 and 343: The Brocade ServerIronThe Managemen
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
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Page 362 and 363: Symmetric Server Load BalancingIf y
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Page 382 and 383: Configuring Transparent Cache Switc
Page 384 and 385: SummarySummary• Policy-based SLB
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Page 394 and 395: FWLB show CommandsAs we mentioned a
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Page 402 and 403: Global Server Load Balancing(GSLB)1
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Page 406 and 407: Enter: Global Server Load Balancing
Page 408 and 409: How Does GSLB Decide?Now, I mention
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Page 412 and 413: Configuring GSLBIt's the address of
Page 414 and 415: GSLB show CommandsNext, there may b
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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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