Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release ... PDF
Preview Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release ...
Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x First Published: December01,2011 Last Modified: June01,2012 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-26066-04 THESPECIFICATIONSANDINFORMATIONREGARDINGTHEPRODUCTSINTHISMANUALARESUBJECTTOCHANGEWITHOUTNOTICE.ALLSTATEMENTS, INFORMATION,ANDRECOMMENDATIONSINTHISMANUALAREBELIEVEDTOBEACCURATEBUTAREPRESENTEDWITHOUTWARRANTYOFANYKIND, EXPRESSORIMPLIED.USERSMUSTTAKEFULLRESPONSIBILITYFORTHEIRAPPLICATIONOFANYPRODUCTS. THESOFTWARELICENSEANDLIMITEDWARRANTYFORTHEACCOMPANYINGPRODUCTARESETFORTHINTHEINFORMATIONPACKETTHATSHIPPEDWITH THEPRODUCTANDAREINCORPORATEDHEREINBYTHISREFERENCE.IFYOUAREUNABLETOLOCATETHESOFTWARELICENSEORLIMITEDWARRANTY, CONTACTYOURCISCOREPRESENTATIVEFORACOPY. TheCiscoimplementationofTCPheadercompressionisanadaptationofaprogramdevelopedbytheUniversityofCalifornia,Berkeley(UCB)aspartofUCB'spublicdomainversion oftheUNIXoperatingsystem.Allrightsreserved.Copyright©1981,RegentsoftheUniversityofCalifornia. NOTWITHSTANDINGANYOTHERWARRANTYHEREIN,ALLDOCUMENTFILESANDSOFTWAREOFTHESESUPPLIERSAREPROVIDED“ASIS"WITHALLFAULTS. CISCOANDTHEABOVE-NAMEDSUPPLIERSDISCLAIMALLWARRANTIES,EXPRESSEDORIMPLIED,INCLUDING,WITHOUTLIMITATION,THOSEOF MERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEANDNONINFRINGEMENTORARISINGFROMACOURSEOFDEALING,USAGE,ORTRADEPRACTICE. INNOEVENTSHALLCISCOORITSSUPPLIERSBELIABLEFORANYINDIRECT,SPECIAL,CONSEQUENTIAL,ORINCIDENTALDAMAGES,INCLUDING,WITHOUT LIMITATION,LOSTPROFITSORLOSSORDAMAGETODATAARISINGOUTOFTHEUSEORINABILITYTOUSETHISMANUAL,EVENIFCISCOORITSSUPPLIERS HAVEBEENADVISEDOFTHEPOSSIBILITYOFSUCHDAMAGES. AnyInternetProtocol(IP)addressesandphonenumbersusedinthisdocumentarenotintendedtobeactualaddressesandphonenumbers.Anyexamples,commanddisplayoutput,network topologydiagrams,andotherfiguresincludedinthedocumentareshownforillustrativepurposesonly.AnyuseofactualIPaddressesorphonenumbersinillustrativecontentisunintentional andcoincidental. CiscoandtheCiscologoaretrademarksorregisteredtrademarksofCiscoand/oritsaffiliatesintheU.S.andothercountries.ToviewalistofCiscotrademarks,gotothisURL:http:// www.cisco.com/go/trademarks.Third-partytrademarksmentionedarethepropertyoftheirrespectiveowners.Theuseofthewordpartnerdoesnotimplyapartnership relationshipbetweenCiscoandanyothercompany.(1110R) ©2012CiscoSystems,Inc.Allrightsreserved. CONTENTS Preface Preface xiii ChangestoThisDocument xiii ObtainingDocumentationandSubmittingaServiceRequest xiii CHAPTER 1 ImplementingAccessListsandPrefixLists 1 PrerequisitesforImplementingAccessListsandPrefixLists 2 RestrictionsforImplementingAccessListsandPrefixLists 2 RestrictionsforImplementingACL-basedForwarding 3 InformationAboutImplementingAccessListsandPrefixLists 3 AccessListsandPrefixListsFeatureHighlights 3 PurposeofIPAccessLists 4 HowanIPAccessListWorks 4 IPAccessListProcessandRules 4 HelpfulHintsforCreatingIPAccessLists 5 SourceandDestinationAddresses 6 WildcardMaskandImplicitWildcardMask 6 TransportLayerInformation 6 IPAccessListEntrySequenceNumbering 6 SequenceNumberingBehavior 6 IPAccessListLoggingMessages 7 ExtendedAccessListswithFragmentControl 8 PolicyRouting 10 CommentsAboutEntriesinAccessLists 10 AccessControlListCounters 10 BGPFilteringUsingPrefixLists 11 HowtheSystemFiltersTrafficbyPrefixList 11 InformationAboutImplementingACL-basedForwarding 12 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x OL-26066-04 iii Contents ACL-basedForwardingOverview 12 ACL-basedForwardingFunctions 12 HowtoImplementAccessListsandPrefixLists 13 ConfiguringExtendedAccessLists 13 ApplyingAccessLists 15 ControllingAccesstoanInterface 15 ControllingAccesstoaLine 17 ConfiguringPrefixLists 18 ConfiguringStandardAccessLists 19 CopyingAccessLists 21 SequencingAccess-ListEntriesandRevisingtheAccessList 22 CopyingPrefixLists 24 SequencingPrefixListEntriesandRevisingthePrefixList 25 HowtoImplementACL-basedForwarding 26 ConfiguringACL-basedForwardingwithSecurityACL 27 ConfiguringPureACL-BasedForwardingforIPv6ACL 28 ConfiguringPureACL-basedForwardingforACL 29 ACL-Chaining 30 ACL-ChainingOverview 30 RestrictionsforCommonACL 31 ConfiguringanInterfacetoacceptCommonACL 31 ConfigurationExamplesforImplementingAccessListsandPrefixLists 32 ResequencingEntriesinanAccessList:Example 32 AddingEntrieswithSequenceNumbers:Example 33 AddingEntriesWithoutSequenceNumbers:Example 33 ConfigurationExamplesforImplementingACL-basedForwarding 33 ACLwithSecurityandACL-basedForwardingAccessControlEntry:Example 34 PureACL-basedForwardingforACLExample 34 IPv6ACL-basedForwardingExample 34 IPv6ACLinClassMap 35 ConfiguringIPv6ACLQoS-AnExample 36 ConfiguringanInterfacetoacceptCommonACL-Examples 38 AdditionalReferences 39 CHAPTER 2 ConfiguringARP 43 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x iv OL-26066-04 Contents PrerequisitesforConfiguringARP 43 RestrictionsforConfiguringARP 44 InformationAboutConfiguringARP 44 IPAddressingOverview 44 AddressResolutiononaSingleLAN 44 AddressResolutionWhenInterconnectedbyaRouter 45 ARPandProxyARP 45 ARPCacheEntries 46 HowtoConfigureARP 46 DefiningaStaticARPCacheEntry 46 EnablingProxyARP 47 EnablingLocalProxyARP 48 CHAPTER 3 ImplementingCiscoExpressForwarding 49 PrerequisitesforImplementingCiscoExpressForwarding 50 InformationAboutImplementingCiscoExpressForwardingSoftware 50 KeyFeaturesSupportedintheCiscoExpressForwardingImplementation 50 BenefitsofCEF 50 CEFComponents 51 BorderGatewayProtocolPolicyAccounting 51 ReversePathForwarding(StrictandLoose) 52 RouteProcessorManagementEthernetForwarding 53 Per-FlowLoadBalancing 53 BGPAttributesDownload 54 GTPTunnelLoadBalancing 54 HowtoImplementCEF 55 VerifyingCEF 55 ConfiguringBGPPolicyAccounting 56 VerifyingBGPPolicyAccounting 57 ConfiguringaRoutePurgeDelay 58 ConfiguringUnicastRPFChecking 59 ConfiguringModularServicesCard-to-RouteProcessorManagementEthernetInterface Switching 60 ConfiguringPer-FlowLoadBalancing 61 Configuringa7-TupleHashAlgorithm 61 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x OL-26066-04 v Contents VerifyingtheCEFExactRoutewith7-TupleParameters 62 ConfiguringBGPAttributesDownload 63 ConfiguringBGPAttributesDownload 63 ConfigurationExamplesforImplementingCEFonRoutersSoftware 64 ConfiguringBGPPolicyAccounting:Example 64 VerifyingBGPPolicyStatistics:Example 67 ConfiguringUnicastRPFChecking:Example 78 ConfiguringtheSwitchingofModularServicesCardtoManagementEthernetInterfaces ontheRouteProcessor:Example 78 ConfiguringPer-FlowLoadBalancing:Example 78 ConfiguringBGPAttributesDownload:Example 79 ConfiguringGTPTunnelLoadBalancing:Example 79 AdditionalReferences 81 CHAPTER 4 ImplementingtheDynamicHostConfigurationProtocol 83 PrerequisitesforConfiguringDHCPRelayAgent 83 InformationAboutDHCPRelayAgent 84 HowtoConfigureandEnableDHCPRelayAgent 84 ConfiguringandEnablingtheDHCPRelayAgent 85 ConfiguringaDHCPRelayProfile 85 ConfiguringtheDHCPv6(Stateless)RelayAgent 86 EnablingDHCPRelayAgentonanInterface 87 DisablingDHCPRelayonanInterface 87 EnablingDHCPRelayonaVRF 88 ConfiguringtheRelayAgentInformationFeature 89 ConfiguringRelayAgentGiaddrPolicy 91 ConfiguringtheBroadcastFlagPolicy 91 ConfiguringaDHCPProxyProfile 92 DHCPv4Client 93 EnablingDHCPClientonanInterface 94 InformationAboutConfiguringDHCPIPv6InformationPools 95 HowtoConfigureDHCPIPv6InformationPools 95 ConfiguringCiscoIOSXRDHCPIPv6InformationPoolOption 95 ConfigurationExamplesfortheDHCPRelayAgent 96 DHCPRelayProfile:Example 96 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x vi OL-26066-04 Contents DHCPRelayonanInterface:Example 97 DHCPRelayonaVRF:Example 97 RelayAgentInformationOptionSupport:Example 97 RelayAgentGiaddrPolicy:Example 97 CiscoIOSXRBroadcastFlagPolicy:Example 97 AdditionalReferences 98 CHAPTER 5 ImplementingHostServicesandApplications 101 PrerequisitesforImplementingHostServicesandApplications 101 InformationAboutImplementingHostServicesandApplications 102 KeyFeaturesSupportedintheCiscoIOSXRsoftwareHostServicesandApplications Implementation 102 NetworkConnectivityTools 102 Ping 102 Traceroute 103 DomainServices 103 TFTPServer 104 FileTransferServices 104 RCP 104 FTP 104 TFTP 105 Ciscoinetd 105 Telnet 105 HowtoImplementHostServicesandApplications 105 CheckingNetworkConnectivity 105 CheckingNetworkConnectivityforMultipleDestinations 106 CheckingPacketRoutes 106 ConfiguringDomainServices 107 ConfiguringaRouterasaTFTPServer 108 ConfiguringaRoutertoUsercpConnections 109 ConfiguringaRoutertoUseFTPConnections 111 ConfiguringaRoutertoUseTFTPConnections 113 ConfiguringTelnetServices 114 Configuringsyslogsource-interface 114 ConfigurationExamplesforImplementingHostServicesandApplications 115 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x OL-26066-04 vii Contents CheckingNetworkConnectivity:Example 115 ConfiguringDomainServices:Example 117 ConfiguringaRoutertoUsercp,FTP,orTFTPConnections:Example 117 AdditionalReferences 118 CHAPTER 6 ImplementingHSRP 121 PrerequisitesforImplementingHSRP 122 RestrictionsforImplementingHSRP 122 InformationAboutImplementingHSRP 122 HSRPOverview 122 HSRPGroups 122 HSRPandARP 125 Preemption 125 ICMPRedirectMessages 125 HowtoImplementHSRP 125 EnablingHSRP 125 EnablingHSRPforIPv6 127 ConfiguringHSRPGroupAttributes 128 ConfiguringtheHSRPActivationDelay 132 EnablingHSRPSupportforICMPRedirectMessages 134 MultipleGroupOptimization(MGO)forHSRP 135 CustomizingHSRP 135 ConfiguringaPrimaryVirtualIPv4Address 138 ConfiguringaSecondaryVirtualIPv4Address 139 Configuringaslavefollow 140 ConfiguringaslaveprimaryvirtualIPv4address 142 ConfiguringaSecondaryVirtualIPv4addressfortheSlaveGroup 143 Configuringaslavevirtualmacaddress 144 ConfiguringanHSRPSessionName 145 BFDforHSRP 146 AdvantagesofBFD 147 BFDProcess 147 ConfiguringBFD 147 EnablingBFD 147 ModifyingBFDtimers(minimuminterval) 148 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x viii OL-26066-04 Contents ModifyingBFDtimers(multiplier) 149 EnhancedObjectTrackingforHSRPandIPStatic 150 ConfiguringobjecttrackingforHSRP 151 HotRestartabilityforHSRP 152 ConfigurationExamplesforHSRPImplementationonSoftware 152 ConfiguringanHSRPGroup:Example 152 ConfiguringaRouterforMultipleHSRPGroups:Example 152 AdditionalReferences 153 CHAPTER 7 ImplementingLPTS 155 PrerequisitesforImplementingLPTS 155 InformationAboutImplementingLPTS 155 LPTSOverview 156 LPTSPolicers 156 ConfiguringLPTSPolicerwithIPTOSPrecedence 156 ConfiguringLPTSPolicers 157 ConfigurationExamplesforImplementingLPTSPolicers 158 ConfiguringLPTSPolicers:Example 159 AdditionalReferences 163 CHAPTER 8 ImplementingNetworkStackIPv4andIPv6 165 PrerequisitesforImplementingNetworkStackIPv4andIPv6 166 RestrictionsforImplementingNetworkStackIPv4andIPv6 166 InformationAboutImplementingNetworkStackIPv4andIPv6 166 NetworkStackIPv4andIPv6Exceptions 166 IPv4andIPv6Functionality 166 IPv6forCiscoIOSXRSoftware 167 LargerIPv6AddressSpace 167 IPv6AddressFormats 167 IPv6AddressType:Unicast 168 AggregatableGlobalAddress 169 Link-LocalAddress 170 IPv4-CompatibleIPv6Address 171 IPv6AddressType:Multicast 171 SimplifiedIPv6PacketHeader 172 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x OL-26066-04 ix Contents IPv6NeighborDiscovery 177 IPv6NeighborSolicitationMessage 177 IPv6RouterAdvertisementMessage 179 IPv6NeighborRedirectMessage 180 ICMPforIPv6 181 AddressRepositoryManager 182 AddressConflictResolution 182 ConflictDatabase 182 MultipleIPAddresses 182 RecursiveResolutionofConflictSets 182 Route-TagSupportforConnectedRoutes 183 HowtoImplementNetworkStackIPv4andIPv6 184 AssigningIPv4AddressestoNetworkInterfaces 184 IPv4Addresses 184 IPv4VirtualAddresses 185 ConfiguringIPv6Addressing 186 IPv6MulticastGroups 186 IPv6VirtualAddresses 188 AssigningMultipleIPAddressestoNetworkInterfaces 188 SecondaryIPv4Addresses 188 ConfiguringIPv4andIPv6ProtocolStacks 190 EnablingIPv4ProcessingonanUnnumberedInterface 190 IPv4ProcessingonanUnnumberedInterface 191 ConfiguringICMPRateLimiting 192 IPv4ICMPRateLimiting 192 IPv6ICMPRateLimiting 192 SelectingFlexibleSourceIP 193 ConfiguringIPARMConflictResolution 194 StaticPolicyResolution 194 LongestPrefixAddressConflictResolution 195 HighestIPAddressConflictResolution 195 GenericRoutingEncapsulation 196 IPv4/IPv6ForwardingoverGRETunnels 197 IPv6forwardingoverGREtunnels 197 ConfigurationExamplesforImplementingNetworkStackIPv4andIPv6 197 Cisco IOS XR IP Addresses and Services Configuration Guide for the Cisco CRS Router, Release 4.2.x x OL-26066-04
Description:The list of books you might like
