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2350 Mission College Blvd.Suite 600Santa Clara, CA 95054www.bladenetwork.netBLADE OS™Application GuideRackSwitch™ G8000Version 5.1Part Number: BMD0013

BLADE OS 5.1 Application Guide10  Contents BMD00136, November 2009

BLADE OS 5.1 Application Guide100  Chapter 7: Quality of Service BMD00136, November 2009 TCP/UDP TCP/UDP application source port as shown in Tabl

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  101Summary of ACL ActionsActions determine how the traffic is

BLADE OS 5.1 Application Guide102  Chapter 7: Quality of Service BMD00136, November 2009Within each precedence group, ACLs that are assigned to the

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  103 Access Control List GroupsAn Access Control List Group (A

BLADE OS 5.1 Application Guide104  Chapter 7: Quality of Service BMD00136, November 2009ACL Metering and Re-MarkingYou can define a profile for the

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  105Viewing ACL StatisticsACL statistics display how many packe

BLADE OS 5.1 Application Guide106  Chapter 7: Quality of Service BMD00136, November 2009ACL Example 3Use this configuration to block traffic from a

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  107To filter broadcast packets on a port, use the following co

BLADE OS 5.1 Application Guide108  Chapter 7: Quality of Service BMD00136, November 2009Using DSCP Values to Provide QoSThe six most significant bi

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  109Per-Hop BehaviorThe DSCP value determines the Per Hop Behav

BMD00136, November 2009 11PrefaceThe RackSwitch G8000 Application Guide describes how to configure and use the software on the RackSwitch G8000 switch

BLADE OS 5.1 Application Guide110  Chapter 7: Quality of Service BMD00136, November 2009QoS LevelsTable 14 shows the default service levels provide

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  111DSCP Re-Marking and MappingDSCP Re-Marking OverviewThe G800

BLADE OS 5.1 Application Guide112  Chapter 7: Quality of Service BMD00136, November 2009DSCP Re-Marking Configuration Example1. Turn DSCP re-markin

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  113Ingress packets receive a priority value, as follows: Tagg

BLADE OS 5.1 Application Guide114  Chapter 7: Quality of Service BMD00136, November 2009

BMD00136, November 2009 115CHAPTER 8Basic IP RoutingThis chapter provides configuration background and examples for using the G8000 to perform IP rout

BLADE OS 5.1 Application Guide116  Chapter 8: Basic IP Routing BMD00136, November 2009Figure 16 The Router Legacy Network In this example, a corp

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 8: Basic IP Routing  117Example of Subnet RoutingConsider the role of the G8000 in th

BLADE OS 5.1 Application Guide118  Chapter 8: Basic IP Routing BMD00136, November 2009Using VLANs to Segregate Broadcast DomainsIf you want to cont

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 8: Basic IP Routing  1193. Determine which switch ports and IP interfaces belong to w

BLADE OS 5.1 Application Guide12  : Preface BMD00136, November 2009 Chapter 6, “Link Layer Discovery Protocol,” describes how Link Layer Discovery

BLADE OS 5.1 Application Guide120  Chapter 8: Basic IP Routing BMD00136, November 20095. Assign a VLAN to each IP interface. Now that the ports are

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 8: Basic IP Routing  121ECMP Static RoutesEqual-Cost Multi-Path (ECMP) is a forwardin

BLADE OS 5.1 Application Guide122  Chapter 8: Basic IP Routing BMD00136, November 2009You may add up to five (5) gateways for each static route. Us

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 8: Basic IP Routing  123To enable DHCP on an IP interface, use the following commands

BLADE OS 5.1 Application Guide124  Chapter 8: Basic IP Routing BMD00136, November 2009Use the following commands to configure the switch as a DHCP

BMD00136, November 2009 125CHAPTER 9Routing Information ProtocolIn a routed environment, routers communicate with one another to keep track of availab

BLADE OS 5.1 Application Guide126  Chapter 9: Routing Information Protocol BMD00136, November 2009Routing UpdatesRIP sends routing-update messages

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 9: Routing Information Protocol  127RIP FeaturesBLADE OS provides the following featu

BLADE OS 5.1 Application Guide128  Chapter 9: Routing Information Protocol BMD00136, November 2009AuthenticationRIPv2 authentication uses plaintext

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 9: Routing Information Protocol  1292. Add IP interfaces to VLANs. 3. Turn on RIP gl

BLADE OS 5.1 Application GuideBMD00136, November 2009 : Preface  13Typographic ConventionsThe following table describes the typographic styles used

BLADE OS 5.1 Application Guide130  Chapter 9: Routing Information Protocol BMD00136, November 2009

BMD00136, November 2009 131CHAPTER 10Border Gateway ProtocolBorder Gateway Protocol (BGP) is an Internet protocol that enables routers on a network to

BLADE OS 5.1 Application Guide132  Chapter 10: Border Gateway Protocol BMD00136, November 2009Static routes should have a higher degree of preceden

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  133Forming BGP Peer RoutersTwo BGP routers become peers

BLADE OS 5.1 Application Guide134  Chapter 10: Border Gateway Protocol BMD00136, November 2009Figure 19 Distributing Network Filters in Access Li

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  135PrecedenceYou can set a priority to a route map by sp

BLADE OS 5.1 Application Guide136  Chapter 10: Border Gateway Protocol BMD00136, November 20094. Set up the BGP attributes.If you want to overwrite

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  137Aggregating RoutesAggregation is the process of combi

BLADE OS 5.1 Application Guide138  Chapter 10: Border Gateway Protocol BMD00136, November 2009BGP AttributesThe following two BGP attributes are di

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  139Selecting Route Paths in BGPBGP selects only one path

BLADE OS 5.1 Application Guide14  : Preface BMD00136, November 2009How to Get HelpIf you need help, service, or technical assistance, call BLADE Ne

BLADE OS 5.1 Application Guide140  Chapter 10: Border Gateway Protocol BMD00136, November 2009BGP Failover ConfigurationUse the following example t

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  1412. Define the IP interfaces.The switch will need an I

BLADE OS 5.1 Application Guide142  Chapter 10: Border Gateway Protocol BMD00136, November 2009Default Redistribution and Route Aggregation ExampleT

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 10: Border Gateway Protocol  1433. Configure internal peer router 1 and external peer

BLADE OS 5.1 Application Guide144  Chapter 10: Border Gateway Protocol BMD00136, November 2009

BMD00136, November 2009 145CHAPTER 11OSPFBLADE OS supports the Open Shortest Path First (OSPF) routing protocol. The BLADE OS implementation conforms

BLADE OS 5.1 Application Guide146  Chapter 11: OSPF BMD00136, November 2009Types of OSPF AreasAn AS can be broken into logical units known as areas

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  147Types of OSPF Routing DevicesAs shown in Figure 23, OSPF uses the follow

BLADE OS 5.1 Application Guide148  Chapter 11: OSPF BMD00136, November 2009Neighbors and AdjacenciesIn areas with two or more routing devices, neig

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  149The Shortest Path First TreeThe routing devices use a link-state algorit

BMD00136, November 2009 15CHAPTER 1Accessing the SwitchThe Blade OS software provides means for accessing, configuring, and viewing information and st

BLADE OS 5.1 Application Guide150  Chapter 11: OSPF BMD00136, November 2009OSPF Implementation in BLADE OSBLADE OS supports a single instance of OS

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  151Defining AreasIf you are configuring multiple areas in your OSPF domain,

BLADE OS 5.1 Application Guide152  Chapter 11: OSPF BMD00136, November 2009Using the Area ID to Assign the OSPF Area NumberThe OSPF area number is

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  153Interface CostThe OSPF link-state algorithm (Dijkstra’s algorithm) place

BLADE OS 5.1 Application Guide154  Chapter 11: OSPF BMD00136, November 2009Default RoutesWhen an OSPF routing device encounters traffic for a desti

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  155Virtual LinksUsually, all areas in an OSPF AS are physically connected t

BLADE OS 5.1 Application Guide156  Chapter 11: OSPF BMD00136, November 2009Router IDRouting devices in OSPF areas are identified by a router ID. Th

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  157Figure 25 OSPF Authentication Configuring Plain Text OSPF PasswordsTo

BLADE OS 5.1 Application Guide158  Chapter 11: OSPF BMD00136, November 20094. Configure a simple text password up to eight characters for the virtu

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  159Host Routes for Load BalancingBLADE OS implementation of OSPF includes h

BLADE OS 5.1 Application Guide16  Chapter 1: Accessing the Switch BMD00136, November 2009To access the switch, the following IP parameters must be

BLADE OS 5.1 Application Guide160  Chapter 11: OSPF BMD00136, November 2009OSPF Configuration ExamplesA summary of the basic steps for configuring

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  161Example 1: Simple OSPF DomainIn this example, two OSPF areas are defined

BLADE OS 5.1 Application Guide162  Chapter 11: OSPF BMD00136, November 20093. Define the backbone.The backbone is always configured as a transit ar

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  163Example 2: Virtual LinksIn the example shown in Figure 27, area 2 is not

BLADE OS 5.1 Application Guide164  Chapter 11: OSPF BMD00136, November 20093. Enable OSPF.4. Define the backbone.5. Define the transit area.The are

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  165Configuring OSPF for a Virtual Link on Switch #21. Configure IP interfac

BLADE OS 5.1 Application Guide166  Chapter 11: OSPF BMD00136, November 20096. Define the stub area.7. Attach the network interface to the backbone.

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  167Example 3: Summarizing RoutesBy default, ABRs advertise all the network

BLADE OS 5.1 Application Guide168  Chapter 11: OSPF BMD00136, November 20092. Enable OSPF.3. Define the backbone.4. Define the stub area.5. Attach

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 11: OSPF  169Verifying OSPF ConfigurationUse the following commands to verify the OSP

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  17Using TelnetA Telnet connection offers the convenience of

BLADE OS 5.1 Application Guide170  Chapter 11: OSPF BMD00136, November 2009

BMD00136, November 2009 171CHAPTER 12IPv6 Host ManagementInternet Protocol version 6 (IPv6) is a network layer protocol intended to expand the network

BLADE OS 5.1 Application Guide172  Chapter 12: IPv6 Host Management BMD00136, November 2009Unlike IPv4, a subnet mask is not used for IPv6 addresse

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 12: IPv6 Host Management  173MulticastMulticast is communication between a single hos

BLADE OS 5.1 Application Guide174  Chapter 12: IPv6 Host Management BMD00136, November 2009IPv6 InterfacesEach IPv6 interface supports multiple IPv

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 12: IPv6 Host Management  175Neighbor DiscoveryNeighbor Discovery OverviewThe switch

BLADE OS 5.1 Application Guide176  Chapter 12: IPv6 Host Management BMD00136, November 2009You can configure each IPv6 interface as either a host n

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 12: IPv6 Host Management  177 SSHSecure Shell (SSH) connections over IPv6 are suppor

BLADE OS 5.1 Application Guide178  Chapter 12: IPv6 Host Management BMD00136, November 2009Configuration GuidelinesWhen you configure an interface

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 12: IPv6 Host Management  179IPv6 Configuration ExamplesThis section provides steps t

BLADE OS 5.1 Application Guide18  Chapter 1: Accessing the Switch BMD00136, November 2009BOOTP Relay Agent ConfigurationTo enable the G8000 to be t

BLADE OS 5.1 Application Guide180  Chapter 12: IPv6 Host Management BMD00136, November 20093. Configure Neighbor Discovery advertisements for the i

BMD00136, November 2009 181CHAPTER 13IGMPInternet Group Management Protocol (IGMP) is used by IP Multicast routers to learn about the existence of hos

BLADE OS 5.1 Application Guide182  Chapter 13: IGMP BMD00136, November 2009The switch can sense IGMP Membership Reports from attached clients and a

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 13: IGMP  183With FastLeave enabled on the VLAN, a port can be removed immediately fr

BLADE OS 5.1 Application Guide184  Chapter 13: IGMP BMD00136, November 2009IGMPv3 Snooping is compatible with IGMPv1 and IGMPv2 Snooping. You can d

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 13: IGMP  185These commands display information about IGMP Groups and Mrouters learne

BLADE OS 5.1 Application Guide186  Chapter 13: IGMP BMD00136, November 2009IGMP RelayThe G8000 can act as an IGMP Relay (or IGMP Proxy) device that

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 13: IGMP  187Configure IGMP RelayUse the following procedure to configure IGMP Relay.

BLADE OS 5.1 Application Guide188  Chapter 13: IGMP BMD00136, November 2009IGMP FilteringWith IGMP Filtering, you can allow or deny a port to send

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 13: IGMP  189Configure IGMP Filtering1. Enable IGMP Filtering on the switch.2. Define

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  19DHCP Relay Agent ConfigurationTo enable the G8000 to be th

BLADE OS 5.1 Application Guide190  Chapter 13: IGMP BMD00136, November 2009

BMD00136, November 2009 191CHAPTER 14High AvailabilityRackSwitch G8000s support high-availability network topologies through Layer 2 Failover and an e

BLADE OS 5.1 Application Guide192  Chapter 14: High Availability BMD00136, November 2009Layer 2 FailoverThe primary application for Layer 2 Failove

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  193Manual Monitor ConfigurationFigure 29 is a simple example o

BLADE OS 5.1 Application Guide194  Chapter 14: High Availability BMD00136, November 2009Monitor Port StateA monitor port is considered operation as

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  195When the switch determines that ports in the trigger are in

BLADE OS 5.1 Application Guide196  Chapter 14: High Availability BMD00136, November 2009VRRP OverviewIn a high-availability network topology, no de

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  197Master and Backup Virtual RouterWithin each virtual router,

BLADE OS 5.1 Application Guide198  Chapter 14: High Availability BMD00136, November 2009Selecting the Master VRRP RouterEach VRRP router is configu

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  199Active-Active RedundancyIn an active-active configuration,

BLADE OS 5.1 Application Guide2 BMD00136, November 2009Copyright © 2010 Blade Network Technologies, Inc., 2350 Mission College Blvd., Suite 600, Santa

BLADE OS 5.1 Application Guide20  Chapter 1: Accessing the Switch BMD00136, November 2009For workstation access to your switch via the BBI, open a

BLADE OS 5.1 Application Guide200  Chapter 14: High Availability BMD00136, November 2009BLADE OS Extensions to VRRPThis section describes VRRP enha

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  201Virtual Router Deployment ConsiderationsAssigning VRRP Virt

BLADE OS 5.1 Application Guide202  Chapter 14: High Availability BMD00136, November 2009High Availability ConfigurationsG8000s offer flexibility in

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  203Task 1: Configure G8000 11. Configure client and server int

BLADE OS 5.1 Application Guide204  Chapter 14: High Availability BMD00136, November 20094. Enable tracking on ports. Set the priority of Virtual Ro

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 14: High Availability  205Task 2: Configure G8000 21. Configure client and server int

BLADE OS 5.1 Application Guide206  Chapter 14: High Availability BMD00136, November 20094. Enable tracking on ports. Set the priority of Virtual Ro

BMD00136, November 2009 207APPENDIX AMonitoring PortsThe port mirroring feature in the G8000 allows you to attach a sniffer to a monitoring port that

BLADE OS 5.1 Application Guide208  Appendix A: Monitoring Ports BMD00136, November 2009Port Mirroring BehaviorThis section describes the compositio

BMD00136, November 2009 209 IndexSymbols[ ]... 13Numerics802.1p ...

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  21When a client (e.g. web browser) connects to the switch, t

BLADE OS 5.1 Application Guide210  Index BMD00136, November 2009EtherChannel... 65as used with p

BLADE OS 5.1 Application GuideBMD00136, November 2009 Index  211OOSPFarea types... 146authenticatio

BLADE OS 5.1 Application Guide212  Index BMD00136, November 2009Spanning-Tree Protocolmultiple instances... 7

BLADE OS 5.1 Application Guide22  Chapter 1: Accessing the Switch BMD00136, November 2009Using SNMPBlade OS provides SNMP v1.0 and SNMP v3.0 suppor

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  23To configure an SNMP user name, enter the following comman

BLADE OS 5.1 Application Guide24  Chapter 1: Accessing the Switch BMD00136, November 2009Configuring SNMP Trap HostsSNMPv1 Trap Host Configuration1

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  25SNMPv2 Trap Host ConfigurationThe SNMPv2 trap host configu

BLADE OS 5.1 Application Guide26  Chapter 1: Accessing the Switch BMD00136, November 2009SNMPv3 Trap Host ConfigurationTo configure a user for SNMP

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  27Securing Access to the SwitchSecure switch management is n

BLADE OS 5.1 Application Guide28  Chapter 1: Accessing the Switch BMD00136, November 2009How RADIUS Authentication Works1. Remote administrator co

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  29RADIUS Authentication Features in Blade OSBlade OS support

BMD00136, November 2009 3ContentsPreface  11Who Should Use This Guide  11What You’ll Find in This Guide  11Typographic Conventions  13How

BLADE OS 5.1 Application Guide30  Chapter 1: Accessing the Switch BMD00136, November 2009RADIUS Attributes for G8000 User PrivilegesWhen the user l

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  31TACACS+ AuthenticationBlade OS supports authentication and

BLADE OS 5.1 Application Guide32  Chapter 1: Accessing the Switch BMD00136, November 2009AuthorizationAuthorization is the action of determining a

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  33AccountingAccounting is the action of recording a user&apo

BLADE OS 5.1 Application Guide34  Chapter 1: Accessing the Switch BMD00136, November 2009Configuring TACACS+ Authentication 1. Configure the Primar

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  35Configuring the LDAP ServerG8000 user groups and user acco

BLADE OS 5.1 Application Guide36  Chapter 1: Accessing the Switch BMD00136, November 2009Secure Shell Secure Shell (SSH) use secure tunnels to encr

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  37Generating RSA Host and Server Keys for SSH AccessTo suppo

BLADE OS 5.1 Application Guide38  Chapter 1: Accessing the Switch BMD00136, November 2009End User Access ControlBLADE OS allows an administrator to

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 1: Accessing the Switch  39Use the Strong Password commands to configure Strong Passw

BLADE OS 5.1 Application Guide4  Contents BMD00136, November 2009Supported RADIUS Attributes  45Configuration Guidelines  46Chapter 3: VLANs

BLADE OS 5.1 Application Guide40  Chapter 1: Accessing the Switch BMD00136, November 2009Listing Current UsersThe cur command displays defined user

BMD00136, November 2009 41CHAPTER 2Port-based Network Access ControlPort-Based Network Access control provides a means of authenticating and authorizi

BLADE OS 5.1 Application Guide42  Chapter 2: Port-based Network Access Control BMD00136, November 2009 Authenticator The Authenticator enforces au

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 2: Port-based Network Access Control  43Figure 1 Authenticating a Port Using EAPoL

BLADE OS 5.1 Application Guide44  Chapter 2: Port-based Network Access Control BMD00136, November 2009The RADIUS authentication server chooses an E

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 2: Port-based Network Access Control  45Supported RADIUS AttributesThe G8000 802.1X A

BLADE OS 5.1 Application Guide46  Chapter 2: Port-based Network Access Control BMD00136, November 2009Configuration GuidelinesWhen configuring EAPo

BMD00136, November 2009 47CHAPTER 3VLANsThis chapter describes network design and topology considerations for using Virtual Local Area Networks (VLANs

BLADE OS 5.1 Application Guide48  Chapter 3: VLANs BMD00136, November 2009VLANs and Port VLAN ID NumbersVLAN NumbersThe G8000 supports up to 1024 V

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  49Viewing and Configuring PVIDsUse the following CLI commands to view PVIDs

BLADE OS 5.1 Application GuideBMD00136, November 2009 Contents  5Chapter 5: Spanning Tree Group  73STG Overview  73Bridge Protocol Data Units

BLADE OS 5.1 Application Guide50  Chapter 3: VLANs BMD00136, November 2009VLAN TaggingBlade OS software supports IEEE 802.1Q VLAN tagging, providin

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  51Figure 2 Default VLAN settingsNote – The port numbers specified in thes

BLADE OS 5.1 Application Guide52  Chapter 3: VLANs BMD00136, November 2009Figure 3 Port-based VLAN assignmentAs shown in Figure 4, the untagged p

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  53Figure 5 802.1Q tag assignmentAs shown in Figure 6, the tagged packet r

BLADE OS 5.1 Application Guide54  Chapter 3: VLANs BMD00136, November 2009VLAN Topologies and Design Considerations By default, the G8000 software

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  55Multiple VLANs with Tagging AdaptersFigure 7 illustrates a network topolo

BLADE OS 5.1 Application Guide56  Chapter 3: VLANs BMD00136, November 2009The features of this VLAN are described below: Note – VLAN tagging is re

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  57VLAN Configuration Example Use the following procedure to configure the e

BLADE OS 5.1 Application Guide58  Chapter 3: VLANs BMD00136, November 2009Protocol-Based VLANsProtocol-based VLANs (PVLANs) allow you to segment ne

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  59Port-Based vs. Protocol-Based VLANsEach VLAN supports both port-based and

BLADE OS 5.1 Application Guide6  Contents BMD00136, November 2009LLDP Receive Features  93Types of Information Received  93Viewing Remote Dev

BLADE OS 5.1 Application Guide60  Chapter 3: VLANs BMD00136, November 2009PVLAN Configuration GuidelinesConsider the following guidelines when you

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  615. Enable the PVLAN.6. Verify PVLAN operation. Private VLANsPrivate VLAN

BLADE OS 5.1 Application Guide62  Chapter 3: VLANs BMD00136, November 2009Private VLAN PortsPrivate VLAN ports are defined as follows:  Promiscuou

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 3: VLANs  63Configuration ExampleFollow this procedure to configure a Private VLAN. 1

BLADE OS 5.1 Application Guide64  Chapter 3: VLANs BMD00136, November 2009

BMD00136, November 2009 65CHAPTER 4Ports and TrunkingTrunk groups can provide super-bandwidth, multi-link connections between switches or other trunk-

BLADE OS 5.1 Application Guide66  Chapter 4: Ports and Trunking BMD00136, November 2009Each packet’s particular MAC or IP address information resul

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 4: Ports and Trunking  67Static Trunk Group Configuration Rules The trunking (portcha

BLADE OS 5.1 Application Guide68  Chapter 4: Ports and Trunking BMD00136, November 2009Port Trunking ExampleIn the example below, three ports are t

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 4: Ports and Trunking  693. Connect the switch ports that will be members in the trun

BLADE OS 5.1 Application GuideBMD00136, November 2009 Contents  7Dynamic Host Configuration Protocol  122DHCP Relay Agent  123Chapter 9: Rout

BLADE OS 5.1 Application Guide70  Chapter 4: Ports and Trunking BMD00136, November 2009 Destination MAC (DMAC):  Source MAC (SMAC) + Destination

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 4: Ports and Trunking  71A port’s Link Aggregation Identifier (LAG ID) determines how

BLADE OS 5.1 Application Guide72  Chapter 4: Ports and Trunking BMD00136, November 2009When the system is initialized, all ports by default are in

BMD00136, November 2009 73CHAPTER 5Spanning Tree GroupWhen multiple paths exist on a network, Spanning Tree Group (STG) configures the network so that

BLADE OS 5.1 Application Guide74  Chapter 5: Spanning Tree Group BMD00136, November 2009The relationship between port, trunk groups, VLANs, and Spa

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  75Determining the Path for Forwarding BPDUsWhen determining w

BLADE OS 5.1 Application Guide76  Chapter 5: Spanning Tree Group BMD00136, November 2009Spanning Tree Group GuidelinesThis section provides importa

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  77Rules for VLAN Tagged Ports Tagged ports can belong to mor

BLADE OS 5.1 Application Guide78  Chapter 5: Spanning Tree Group BMD00136, November 2009Multiple Spanning TreesEach RackSwitch G8000 supports a max

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  79Figure 9 Two VLANs on one Spanning Tree Group In Figure 1

BLADE OS 5.1 Application Guide8  Contents BMD00136, November 2009Electing the Designated Router and Backup  153Summarizing Routes  153Default

BLADE OS 5.1 Application Guide80  Chapter 5: Spanning Tree Group BMD00136, November 2009Spanning Tree with ISLsThis configuration shows how to conf

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  81Multiple Spanning Tree Group ProtocolMultiple Spanning Tree

BLADE OS 5.1 Application Guide82  Chapter 5: Spanning Tree Group BMD00136, November 2009MSTP Configuration GuidelinesThis section provides importan

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  83This configuration shows how to configure MSTP Groups on th

BLADE OS 5.1 Application Guide84  Chapter 5: Spanning Tree Group BMD00136, November 2009Port Fast ForwardingPort Fast Forwarding permits a port tha

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 5: Spanning Tree Group  85Hot LinksFor network topologies that require Spanning Tree

BLADE OS 5.1 Application Guide86  Chapter 5: Spanning Tree Group BMD00136, November 2009Configuration GuidelinesThe following configuration guideli

BMD00136, November 2009 87CHAPTER 6Link Layer Discovery ProtocolThe BLADE OS software support Link Layer Discovery Protocol (LLDP). This chapter discu

BLADE OS 5.1 Application Guide88  Chapter 6: Link Layer Discovery Protocol BMD00136, November 2009The LLDP information to be distributed by the G80

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 6: Link Layer Discovery Protocol  89LLDP Transmit FeaturesNumerous LLDP transmit opti

BLADE OS 5.1 Application GuideBMD00136, November 2009 Contents  9Chapter 14: High Availability  191Layer 2 Failover  192Uplink Failure Detect

BLADE OS 5.1 Application Guide90  Chapter 6: Link Layer Discovery Protocol BMD00136, November 2009Time-to-Live for Transmitted InformationThe trans

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 6: Link Layer Discovery Protocol  91If SNMP trap notification is enabled, the notific

BLADE OS 5.1 Application Guide92  Chapter 6: Link Layer Discovery Protocol BMD00136, November 2009LLDP transmissions can also be configured to enab

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 6: Link Layer Discovery Protocol  93LLDP Receive FeaturesTypes of Information Receive

BLADE OS 5.1 Application Guide94  Chapter 6: Link Layer Discovery Protocol BMD00136, November 2009To view detailed information for a remote device,

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 6: Link Layer Discovery Protocol  95LLDP Example Configuration1. Turn LLDP on globall

BLADE OS 5.1 Application Guide96  Chapter 6: Link Layer Discovery Protocol BMD00136, November 2009

BMD00136, November 2009 97CHAPTER 7Quality of ServiceQuality of Service features allow you to allocate network resources to mission-critical applicati

BLADE OS 5.1 Application Guide98  Chapter 7: Quality of Service BMD00136, November 2009Figure 13 QoS ModelThe G8000 uses the Differentiated Servi

BLADE OS 5.1 Application GuideBMD00136, November 2009 Chapter 7: Quality of Service  99Using ACL FiltersAccess Control Lists (ACLs) are filters tha