Extreme Networks ExtremeWare XOS Command Especificaciones

Extreme Networks, Inc.3585 Monroe StreetSanta Clara, California 95051(888) 257-3000http://www.extremenetworks.com ExtremeWare XOS Concepts GuideSoftwa

10 ExtremeWare XOS 11.0 Concepts Guide ContentsSTP Configurations 203Basic STP Configuration 203Multiple STPDs on a Port 206VLAN Spanning Multiple STP

100 ExtremeWare XOS 11.0 Concepts GuideVirtual RoutersCreating Virtual RoutersTo create a user virtual router, issue the following command:create vir

Using Virtual RoutersExtremeWare XOS 11.0 Concepts Guide 101To remove a protocol from a virtual router, use the following command:configure vr <vr

102 ExtremeWare XOS 11.0 Concepts GuideVirtual RoutersVirtual Router Configuration ExampleIn the following example:• The user virtual router helix is

ExtremeWare XOS 11.0 Concepts Guide 1037 Forwarding DatabaseThis chapter describes the following topics:• Overview of the FDB on page 103• MAC-Based S

104 ExtremeWare XOS 11.0 Concepts GuideForwarding DatabaseFDB Entry TypesFDB entries may be dynamic or static, and the entries may be permanent or non

FDB Configuration ExamplesExtremeWare XOS 11.0 Concepts Guide 105• Permanent entries—Permanent entries are retained in the database if the switch is r

106 ExtremeWare XOS 11.0 Concepts GuideForwarding DatabaseMAC-Based SecurityMAC-based security allows you to control the way the FDB is learned and po

ExtremeWare XOS 11.0 Concepts Guide 1078 Quality of Service This chapter covers the following topics:• Overview of Policy-Based Quality of Service on

108 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceNOTEPolicy-based QoS has no impact on switch performance. Using even the most complex traffic

Configuring QoSExtremeWare XOS 11.0 Concepts Guide 109Web Browsing ApplicationsQoS needs for Web browsing applications cannot be generalized into a si

ExtremeWare XOS 11.0 Concepts Guide 11 ContentsESRP Host Attach 242ESRP Groups 243Displaying ESRP Information 244ESRP Examples 244Single Domain Using

110 ExtremeWare XOS 11.0 Concepts GuideQuality of Service1 Configure the QoS profile.QoS profile—A class of service that is defined through minimum an

Traffic GroupingsExtremeWare XOS 11.0 Concepts Guide 111The default QoS profiles cannot be deleted. Also by default, a QoS profile maps directly to a

112 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceNOTEThe source port and VLAN QoS apply only to untagged packets, and 802.1P QoS applies only

Traffic GroupingsExtremeWare XOS 11.0 Concepts Guide 113field is located directly following the 802.1Q type field and preceding the 802.1Q VLAN ID, as

114 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceHowever, the switch is capable of inserting and/or overwriting 802.1p priority information wh

Traffic GroupingsExtremeWare XOS 11.0 Concepts Guide 115Figure 9: IP packet header encapsulationObserving DiffServ code points as a traffic grouping m

116 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceChanging the default DiffServ code point mapping . You can change the QoS profile assignment

Traffic GroupingsExtremeWare XOS 11.0 Concepts Guide 117By doing so, the hardware queue used to transmit a packet determines the DiffServ value replac

118 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceSource portA source port traffic grouping implies that any traffic sourced from this physical

Traffic GroupingsExtremeWare XOS 11.0 Concepts Guide 119 Protocol: Trunking: Load sharing is not enabled. EDP:

12 ExtremeWare XOS 11.0 Concepts Guide ContentsConfiguring IP Multinetting 273IP Multinetting Examples 273Configuring DHCP/BOOTP Relay 274Verifying th

120 ExtremeWare XOS 11.0 Concepts GuideQuality of Service lbDetect: Unsupported Learning: Enabled Flooding: Ena

Guidelines for Configuring QoSExtremeWare XOS 11.0 Concepts Guide 121Displayed information includes:• QoS profile name• Minimum bandwidth• Maximum ban

122 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceUsing bi-directional rate shaping, excess traffic is discarded at the I/O module and does not

Bi-Directional Rate ShapingExtremeWare XOS 11.0 Concepts Guide 123Please note that these maximum committed rates vary with the number of active ports

124 ExtremeWare XOS 11.0 Concepts GuideQuality of ServiceNOTEYou must specify ingress to view ingress rate shaping performance.

ExtremeWare XOS 11.0 Concepts Guide 125 9 Status Monitoring and StatisticsThis chapter describes the following topics:• Status Monitoring on page 125•

126 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsSlot DiagnosticsThe BlackDiamond switch provides a facility for running normal

Port ErrorsExtremeWare XOS 11.0 Concepts Guide 127• Transmitted Byte Count (Tx Byte Count)—The total number of data bytes successfully transmitted by

128 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and Statistics• Receive Fragmented Frames (RX Frag)—The total number of frames received by t

System Health CheckingExtremeWare XOS 11.0 Concepts Guide 129Slot-7 : G60X 34.31 NormalSlot-8 :MSM-A : MSM-1XL

ExtremeWare XOS 11.0 Concepts Guide 13 ContentsUsing the Loopback Interface 298BGP Peer Groups 298BGP Route Flap Dampening 299BGP Route Selection 301S

130 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and Statistics• Polling is always enabled on the system and occurs every 60 seconds by defau

Setting the System Recovery LevelExtremeWare XOS 11.0 Concepts Guide 1311 Enable backplane diagnostic packets on slot 3 using the following command:e

132 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and Statistics• Filter events per target, by:— Component, subcomponent, or specific conditio

Event Management System/LoggingExtremeWare XOS 11.0 Concepts Guide 133NOTERefer to your UNIX documentation for more information about the syslog host

134 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsSeverityMessages are issued with one of the severity levels specified by the s

Event Management System/LoggingExtremeWare XOS 11.0 Concepts Guide 135When you specify a severity level as you associate a filter with a target, you

136 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsSTP InBPDU Trace Debug-Verbose 2 totalSTP InBP

Event Management System/LoggingExtremeWare XOS 11.0 Concepts Guide 137For example, if you create the filter myFilter from scratch, then issue the fol

138 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and Statisticsincluding events from the STP.InBPDU component, one excluding the event STP.Cr

Event Management System/LoggingExtremeWare XOS 11.0 Concepts Guide 139Matching ParametersRather than using a text match, EMS allows you to filter mor

14 ExtremeWare XOS 11.0 Concepts Guide ContentsAppendix B TroubleshootingLEDs 321Using the Command Line Interface 322Port Configuration 324VLANs 325ST

140 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsFormatting Event MessagesEvent messages are made up of a number of items. The

Event Management System/LoggingExtremeWare XOS 11.0 Concepts Guide 141Displaying Event LogsThe log stored in the memory buffer and the NVRAM can be d

142 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and Statisticsfurther processing. Both counters reflect totals accumulated since reboot or s

Using sFlowExtremeWare XOS 11.0 Concepts Guide 143Using sFlowsFlow® is a technology for monitoring traffic in data networks containing switches and r

144 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsConfiguring the Local AgentThe local agent is responsible for collecting the d

Using sFlowExtremeWare XOS 11.0 Concepts Guide 145Additional sFlow Configuration OptionsThere are three global options that you can configure to diff

146 ExtremeWare XOS 11.0 Concepts GuideStatus Monitoring and StatisticsDisplaying sFlow InformationTo display the current configuration of sFlow, use

ExtremeWare XOS 11.0 Concepts Guide 147 10 SecurityThis chapter describes the following topics: • Security Overview on page 147• Network Access Securi

148 ExtremeWare XOS 11.0 Concepts GuideSecurityACLs are typically applied to traffic that crosses Layer 3 router boundaries, but it is possible to us

IP Access Control ListsExtremeWare XOS 11.0 Concepts Guide 149When the policy is refreshed, the new policy file is read, processed, and stored in the

ExtremeWare XOS 11.0 Concepts Guide 15PrefaceThis preface provides an overview of this guide, describes guide conventions, and lists other publication

150 ExtremeWare XOS 11.0 Concepts GuideSecurity• If the packet does not match all the match conditions, the next rule entry in the ACL is evaluated.

IP Access Control ListsExtremeWare XOS 11.0 Concepts Guide 151first-fragments Non-IP fragmented packet or first fragmented packet. FO==0. All IPSourc

152 ExtremeWare XOS 11.0 Concepts GuideSecurityAlong with the data types described in Table 29, you can use the operators <, <=, >, and >

IP Access Control ListsExtremeWare XOS 11.0 Concepts Guide 153ACL Evaluation PrecedenceThis section discusses the precedence for evaluation among ACL

154 ExtremeWare XOS 11.0 Concepts GuideSecurityPolicy file syntax checker. The fragments keyword cannot be used in a rule with L4 information. The s

IP Access Control ListsExtremeWare XOS 11.0 Concepts Guide 155The following example denies ICMP echo request packets from the 10.203.134.0/24 subnet,

156 ExtremeWare XOS 11.0 Concepts GuideSecurityDisplaying and Clearing ACL CountersTo display the ACL counters, use the following command:show access

Switch ProtectionExtremeWare XOS 11.0 Concepts Guide 157You can clear the DHCP address allocation table selected entries, or all entries. You would u

158 ExtremeWare XOS 11.0 Concepts GuideSecurityThe following sections apply to creating and using policies:• Creating Policies on page 158• Policy Fi

Switch ProtectionExtremeWare XOS 11.0 Concepts Guide 159nlri 10.203.134.0/24;nlri 10.204.134.0/24;} then {next-hop 192.168.174.92;origin egp;}}

16 ExtremeWare XOS 11.0 Concepts GuidePrefaceConventionsTable 1 and Table 2 list conventions that are used throughout this guide.Related PublicationsT

160 ExtremeWare XOS 11.0 Concepts GuideSecurityAutonomous system expressions. The AS-path keyword uses a regular expression string to match against

Switch ProtectionExtremeWare XOS 11.0 Concepts Guide 161Here are some additional examples of using regular expressions in the AS-Path statement.The f

162 ExtremeWare XOS 11.0 Concepts GuideSecurityPolicy action statements. Table 33 lists the possible action statements. These are the actions taken

Switch ProtectionExtremeWare XOS 11.0 Concepts Guide 163Policy ExamplesThe following sections contain examples of policies. The examples are:• Transl

164 ExtremeWare XOS 11.0 Concepts GuideSecurity}}entry entry-25 {if {nlri 22.44.66.0/23 exact;}then {deny;}}The policy above can be optimized

Switch ProtectionExtremeWare XOS 11.0 Concepts Guide 165 set weight 2 Entry : 50 Action : permit match origin incomplete

166 ExtremeWare XOS 11.0 Concepts GuideSecurityif {origin incomplete;community 19661200;}then {dampening half-life 20 reuse-limit 1000 suppress-lim

Management Access SecurityExtremeWare XOS 11.0 Concepts Guide 167When the policy is refreshed, the new policy file is read, processed, and stored in

168 ExtremeWare XOS 11.0 Concepts GuideSecurityConfiguring the Shared Secret PasswordIn addition to specifying the RADIUS server IP information, RADI

Authenticating Users Using RADIUS or TACACS+ExtremeWare XOS 11.0 Concepts Guide 169Per Command Authentication Using RADIUSYou can use the RADIUS impl

Part 1Using ExtremeWare XOS

170 ExtremeWare XOS 11.0 Concepts GuideSecurityNOTEYou cannot use RADIUS and TACACS+ at the same time.You can configure two TACACS+ servers, specifyi

Secure Shell 2ExtremeWare XOS 11.0 Concepts Guide 171The key generation process generates the SSH2 private host key. The SSH2 public host key is deri

172 ExtremeWare XOS 11.0 Concepts GuideSecurity

Part 2Using Switching and Routing Protocols

ExtremeWare XOS 11.0 Concepts Guide 17511 Ethernet Automatic Protection SwitchingThis chapter covers the following topics:• Overview of the EAPS Proto

176 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingFigure 10: Gigabit Ethernet fiber EAPS MAN ringOne port of the master no

Overview of the EAPS ProtocolExtremeWare XOS 11.0 Concepts Guide 177Figure 11: EAPS operationIf the ring is complete, the master node logically blocks

178 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingFault Detection and RecoveryEAPS fault detection on a ring is based on a

Fault Detection and RecoveryExtremeWare XOS 11.0 Concepts Guide 179Figure 12: EAPS fault detection and protection switchingRing Port Down Event Sent b

180 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingWhen the broken link is restored, the master receives its health check p

Multiple EAPS DomainsExtremeWare XOS 11.0 Concepts Guide 181Figure 13: EAPS data VLAN spanning two rings interconnected by one switchMultiple EAPS Dom

182 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingFigure 15: Multiple EAPS domains sharing common linkYou add the VLANs ca

Configuring EAPS on a SwitchExtremeWare XOS 11.0 Concepts Guide 18310 Enable EAPS for the entire switch.11 If desired, enable Fast Convergence*.12 Ena

184 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingThe following command example identifies this switch as a transit node f

Configuring EAPS on a SwitchExtremeWare XOS 11.0 Concepts Guide 185The following command examples configure the hellotime value for the EAPS domain “e

186 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection Switchingmessages reach their intended destinations. For example, if the control

Configuring EAPS on a SwitchExtremeWare XOS 11.0 Concepts Guide 187To disable a specific EAPS domain, use the following command:disable eaps {<name

188 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection Switching Hello timer interval: 1 sec Fail timer interval: 3 sec Fail Timer

Configuring EAPS on a SwitchExtremeWare XOS 11.0 Concepts Guide 189Table 35: show eaps display fieldsField DescriptionEAPS Enabled Current state of E

ExtremeWare XOS 11.0 Concepts Guide 191 ExtremeWare XOS OverviewThis chapter covers the following topics:• Platform on page 19• Summary of Features on

190 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingConfiguring EAPS with STPTo prevent a loop when you run multiple EAPS do

Configuring EAPS with STPExtremeWare XOS 11.0 Concepts Guide 191NOTEChoose EMITP encapsulation with tagged STP Carrier VLAN and 802.1D encapsulation w

192 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection SwitchingConfiguring EAPS with STP in EMISTP Encapsulation ModeThis section discu

Configuring EAPS with STPExtremeWare XOS 11.0 Concepts Guide 1936 Configure the STPD and add all protected VLANs to STPD using the following command:c

194 ExtremeWare XOS 11.0 Concepts GuideEthernet Automatic Protection Switching3 Configure STP Forward Delay to 4 seconds using the following command:c

ExtremeWare XOS 11.0 Concepts Guide 195 12 Spanning Tree ProtocolThis chapter covers the following topics:• Overview of the Spanning Tree Protocol on

196 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolTable 36 describes the terms associated with the Extreme Networks implementation of STP.

Spanning Tree DomainsExtremeWare XOS 11.0 Concepts Guide 197Spanning Tree DomainsThe switch can be partitioned into multiple virtual bridges. Each vi

198 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolThe StpdID must be identical to the VLANid of the carrier VLAN in that STPD. See the sec

Spanning Tree DomainsExtremeWare XOS 11.0 Concepts Guide 199By default, the:• STPD operates in 802.1D mode.• Default device configuration contains a

2 Alpine, Altitude, BlackDiamond, EPICenter, Ethernet Everywhere, Extreme Ethernet Everywhere, Extreme Networks, Extreme Turbodrive, Extreme Velocity,

20 ExtremeWare XOS 11.0 Concepts GuideExtremeWare XOS Overview• Ethernet Automatic Protection Switching (EAPS)• Virtual Router Redundancy Protocol (VR

200 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolSTPD IdentifierAn StpdID is used to identify each STP domain. You assign the StpdID when

Spanning Tree DomainsExtremeWare XOS 11.0 Concepts Guide 201The first command adds all ports or a list of ports within the specified VLAN to an STPD

202 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree Protocol• Protected VLAN named v2 • v2 contains ports 3:1-3:4Since v1 contains ports 3:1-3:2, v2

STP ConfigurationsExtremeWare XOS 11.0 Concepts Guide 203To support hitless failover, the primary MSM replicates STP BPDUs to the backup, which allow

204 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree Protocol• Manufacturing is a protected VLAN on STPD2.• Engineering is the carrier VLAN on STPD2.

STP ConfigurationsExtremeWare XOS 11.0 Concepts Guide 205Figure 18: Incorrect tag-based STPD configurationThe tag-based network in Figure 18 has the

206 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolMultiple STPDs on a PortTraditional 802.1D STP has some inherent limitations when addres

STP ConfigurationsExtremeWare XOS 11.0 Concepts Guide 207Alternatively, the same VLAN may span multiple large geographical areas (because they belong

208 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolFigure 21: VLANs traverse domains inside switches• The VLAN partition feature is deploye

Per VLAN Spanning TreeExtremeWare XOS 11.0 Concepts Guide 209Per VLAN Spanning TreeSwitching products that implement Per VLAN Spanning Tree (PVST) ha

Summary of FeaturesExtremeWare XOS 11.0 Concepts Guide 21• VRRP on page 24• IP Multicast Routing on page 24Virtual RoutersExtremeWare XOS supports vir

210 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolRSTP TermsTable 37 describes the terms associated with RSTP. RSTP ConceptsThis section d

Rapid Spanning Tree ProtocolExtremeWare XOS 11.0 Concepts Guide 211When RSTP stabilizes, all:• Root ports and designated ports are in the forwarding

212 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolTo change the existing configuration of a port in an STPD, and return the port to factor

Rapid Spanning Tree ProtocolExtremeWare XOS 11.0 Concepts Guide 213The protocol migration timer is neither user-configurable nor derived; it has a se

214 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolThe following sections provide more information about RSTP behavior.Root Port Rapid Beha

Rapid Spanning Tree ProtocolExtremeWare XOS 11.0 Concepts Guide 215Designated Port Rapid BehaviorWhen a port becomes a new designated port, or the ST

216 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree Protocol• All other ports in the network are in the forwarding state.Figure 24: Initial network

Rapid Spanning Tree ProtocolExtremeWare XOS 11.0 Concepts Guide 2172 Bridge E believes that bridge A is the root bridge. When bridge E receives the B

218 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree Protocol4 Bridge D believes that bridge A is the root bridge. When bridge D receives the BPDU fr

Rapid Spanning Tree ProtocolExtremeWare XOS 11.0 Concepts Guide 2196 To complete the topology change (as shown in Figure 30):• Bridge D moves the por

22 ExtremeWare XOS 11.0 Concepts GuideExtremeWare XOS OverviewImplementing VLANs on your network has the following three advantages:• Helps to control

220 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolSTP Rules and RestrictionsThis section summarizes the rules and restrictions for configu

Configuring STP on the SwitchExtremeWare XOS 11.0 Concepts Guide 221The following parameters can be configured on each STPD:• Hello time• Forward del

222 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolSTP Configuration ExamplesThis section provides three configuration examples:• Basic 802

STP Configuration ExamplesExtremeWare XOS 11.0 Concepts Guide 223EMISTP Configuration ExampleFigure 32 is an example of EMISTP.Figure 32: EMISTP conf

224 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree ProtocolRSTP 802.1W Configuration ExampleFigure 33 is an example of a network with multiple STPD

Displaying STP SettingsExtremeWare XOS 11.0 Concepts Guide 225configure vlan sales add ports 1:1,2:1 taggedconfigure vlan personnel add ports 1:1,2:1

226 ExtremeWare XOS 11.0 Concepts GuideSpanning Tree Protocol• Configured port link type• Operational port link typeIf you have a VLAN that spans mul

ExtremeWare XOS 11.0 Concepts Guide 227 13 Extreme Standby Router Protocol This chapter covers the following topics: • Overview of ESRP on page 227 •

228 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolNetworks that contain switches running ExtremeWare with both ESRP and Extreme L

Overview of ESRPExtremeWare XOS 11.0 Concepts Guide 229master state/switch The master switch is the device with the highest priority based on the ele

Summary of FeaturesExtremeWare XOS 11.0 Concepts Guide 23sFlowsFlow is a technology for monitoring traffic in data networks containing switches and r

230 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolESRP ConceptsYou configure ESRP on a per domain basis on each switch. A maximum

ESRP ConceptsExtremeWare XOS 11.0 Concepts Guide 231To participate in ESRP, the following must be true:• A VLAN can belong to only one ESRP domain.•

232 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router Protocolstandard mode if your network contains both switches running ExtremeWare and sw

ESRP ConceptsExtremeWare XOS 11.0 Concepts Guide 233ESRP DomainsESRP domains allow you to configure multiple VLANs under the control of a single inst

234 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router Protocolcontrol from the primary MSM to the backup MSM and maintains the state of ESRP.

Determining the ESRP MasterExtremeWare XOS 11.0 Concepts Guide 235— Ping—Tracks ICMP ping connectivity to specified devices.— Environment (health che

236 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolElecting the Master SwitchA new master can be elected in one of the following w

Determining the ESRP MasterExtremeWare XOS 11.0 Concepts Guide 237ESRP Election Algorithms You configure the switch to use one of 15 different electi

238 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolCAUTIONAll switches in the ESRP network must use the same election algorithm, o

Advanced ESRP FeaturesExtremeWare XOS 11.0 Concepts Guide 239ESRP TrackingTracking information is used to track various forms of connectivity from th

24 ExtremeWare XOS 11.0 Concepts GuideExtremeWare XOS OverviewVRRPSimilar to ESRP, the Virtual Router Redundancy Protocol (VRRP) allows switches to pr

240 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolESRP Route Table Tracking You can configure ESRP to track specified routes in t

Advanced ESRP FeaturesExtremeWare XOS 11.0 Concepts Guide 241ESRP Tracking ExampleFigure 35 is an example of ESRP tracking.Figure 35: ESRP trackingTo

242 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolTo configure port restart, use the following command:configure esrp <esrpDom

Advanced ESRP FeaturesExtremeWare XOS 11.0 Concepts Guide 243Other applications allow lower-cost redundant routing configurations because hosts can b

244 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolDisplaying ESRP InformationTo view ESRP information, use the following command:

ESRP ExamplesExtremeWare XOS 11.0 Concepts Guide 245Figure 38: Single ESRP domain using Layer 2 and Layer 3 redundancyThe BlackDiamond 10808 switch,

246 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router Protocol• Ports added to the VLAN have already been removed from VLAN default.• IP addr

ESRP ExamplesExtremeWare XOS 11.0 Concepts Guide 247Multiple Domains Using Layer 2 and Layer 3 RedundancyThe example shown in Figure 39 illustrates a

248 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router ProtocolConfiguration commands for the first BlackDiamond switch are as follows: create

ESRP CautionsExtremeWare XOS 11.0 Concepts Guide 249ESRP and STPA switch running ESRP should not simultaneously participate in STP for the same VLAN(

Software Factory DefaultsExtremeWare XOS 11.0 Concepts Guide 25NOTEFor default settings of individual ExtremeWare XOS features, see individual chapter

250 ExtremeWare XOS 11.0 Concepts GuideExtreme Standby Router Protocol

ExtremeWare XOS 11.0 Concepts Guide 251 14 Virtual Router Redundancy ProtocolThis chapter covers the following topics:• Overview on page 251• Determin

252 ExtremeWare XOS 11.0 Concepts GuideVirtual Router Redundancy ProtocolVRRP TermsTable 44 describes terms associated with VRRP.Determining the VRRP

Determining the VRRP MasterExtremeWare XOS 11.0 Concepts Guide 253VRRP Tracking ExampleFigure 40 is an example of VRRP tracking.Figure 40: VRRP track

254 ExtremeWare XOS 11.0 Concepts GuideVirtual Router Redundancy ProtocolIf the master router becomes unavailable, the election process provides dyna

VRRP OperationExtremeWare XOS 11.0 Concepts Guide 255VRRP OperationThis section describes two VRRP network configurations:• A simple VRRP network• A

256 ExtremeWare XOS 11.0 Concepts GuideVirtual Router Redundancy ProtocolFully Redundant VRRP NetworkYou can use two or more VRRP-enabled switches to

VRRP Configuration ParametersExtremeWare XOS 11.0 Concepts Guide 257VRRP Configuration ParametersTable 45 lists the parameters that you configure on

258 ExtremeWare XOS 11.0 Concepts GuideVirtual Router Redundancy ProtocolVRRP ExamplesThis section provides the configuration syntax for the two VRRP

VRRP ExamplesExtremeWare XOS 11.0 Concepts Guide 259Configuring the Fully Redundant VRRP NetworkFigure 44 shows the fully redundant VRRP network conf

26 ExtremeWare XOS 11.0 Concepts GuideExtremeWare XOS Overview

260 ExtremeWare XOS 11.0 Concepts GuideVirtual Router Redundancy Protocol

ExtremeWare XOS 11.0 Concepts Guide 261 15 IP Unicast RoutingThis chapter describes the following topics:• Overview of IP Unicast Routing on page 261•

262 ExtremeWare XOS 11.0 Concepts GuideIP Unicast RoutingRouter InterfacesThe routing software and hardware routes IP traffic between router interfac

Overview of IP Unicast RoutingExtremeWare XOS 11.0 Concepts Guide 263Populating the Routing Table The switch maintains an IP routing table for both n

264 ExtremeWare XOS 11.0 Concepts GuideIP Unicast RoutingMultiple RoutesWhen there are multiple, conflicting choices of a route to a particular desti

Relative Route PrioritiesExtremeWare XOS 11.0 Concepts Guide 265For example, an IP host is configured with a class B address of 100.101.102.103 and a

266 ExtremeWare XOS 11.0 Concepts GuideIP Unicast RoutingConfiguring IP Unicast RoutingThis section describes the commands associated with configurin

Routing Configuration ExampleExtremeWare XOS 11.0 Concepts Guide 267• MyCompany— Port-based VLAN.— All ports on slots 1 through 4 have been assigned.

268 ExtremeWare XOS 11.0 Concepts GuideIP Unicast Routingconfigure rip add vlan Financeconfigure rip add vlan Personnelenable ipforwardingenable ripI

IP MultinettingExtremeWare XOS 11.0 Concepts Guide 269Figure 47: Multinetted Network TopologyFigure 47 shows a multinetted VLAN named multi. VLAN mul

ExtremeWare XOS 11.0 Concepts Guide 272 Accessing the SwitchThis chapter covers the following topics:• Understanding the Command Syntax on page 27• Li

270 ExtremeWare XOS 11.0 Concepts GuideIP Unicast RoutingRoute ManagerThe Route Manager will install a route corresponding to each of the secondary i

IP MultinettingExtremeWare XOS 11.0 Concepts Guide 271RIP. This section describes the behavior of the Routing Information Protocol (RIP) in an IP mu

272 ExtremeWare XOS 11.0 Concepts GuideIP Unicast Routing• PIM also accepts membership information from hosts on secondary subnets.EAPS, ESRP, and ST

IP MultinettingExtremeWare XOS 11.0 Concepts Guide 273These configurations are not allowed:• VRRP VR on v1 with VRID of 99 with virtual IP addresses

274 ExtremeWare XOS 11.0 Concepts GuideIP Unicast RoutingConfiguring DHCP/BOOTP RelayAfter IP unicast routing has been configured, you can configure

ExtremeWare XOS 11.0 Concepts Guide 275 16 Interior Gateway ProtocolsThis chapter describes the following topics:• Overview on page 276• Overview of R

276 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsOverviewThe switch supports the use of two interior gateway protocols (IGPs); the Ro

Overview of RIPExtremeWare XOS 11.0 Concepts Guide 277Overview of RIPRIP is an IGP first used in computer routing in the Advanced Research Projects A

278 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsRIP Version 1 Versus RIP Version 2A new version of RIP, called RIP version 2, expand

Overview of OSPFExtremeWare XOS 11.0 Concepts Guide 279Database OverflowThe OSPF database overflow feature allows you to limit the size of the LSDB a

28 ExtremeWare XOS 11.0 Concepts GuideAccessing the Switch2 If the command includes a parameter, enter the parameter name and values.The value part of

280 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway Protocols• Autonomous system border router (ASBR)—An ASBR acts as a gateway between OSPF and

Overview of OSPFExtremeWare XOS 11.0 Concepts Guide 281The translate option determines whether type 7 LSAs are translated into type 5 LSAs. When conf

282 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsVirtual links are also used to repair a discontiguous backbone area. For example, in

Route RedistributionExtremeWare XOS 11.0 Concepts Guide 283NOTEAll routers in the VLAN must have the same OSPF link type. If there is a mismatch, OSP

284 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsRedistributing Routes into OSPFEnable or disable the exporting of BGP, RIP, static,

RIP Configuration ExampleExtremeWare XOS 11.0 Concepts Guide 285RIP Configuration ExampleFigure 51 illustrates a BlackDiamond switch that has three V

286 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsIn this configuration, all IP traffic from stations connected to slots 1 and 3 have

Configuring OSPFExtremeWare XOS 11.0 Concepts Guide 287OSPF Wait Interval ParametersYou can configure the following parameters:• Retransmit interval—

288 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsOSPF Configuration ExampleFigure 52 is an example of an autonomous system using OSPF

OSPF Configuration ExampleExtremeWare XOS 11.0 Concepts Guide 289Area 6 is a stub area connected to the backbone by way of ABR1. It is located in Los

Understanding the Command SyntaxExtremeWare XOS 11.0 Concepts Guide 29you could enter the following shortcut:configure engineering delete port 1:3,4:6

290 ExtremeWare XOS 11.0 Concepts GuideInterior Gateway ProtocolsDisplaying OSPF SettingsYou can use a number of commands to display settings for OSP

ExtremeWare XOS 11.0 Concepts Guide 291 17 Exterior Gateway Routing ProtocolsThis chapter covers the following topics:• Overview on page 292• BGP Attr

292 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing ProtocolsOverviewBGP is an exterior routing protocol that was developed for use in TC

BGP FeaturesExtremeWare XOS 11.0 Concepts Guide 293BGP FeaturesThis section describes the following BGP features supported by ExtremeWare XOS:• Route

294 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing Protocolsreceived from the client 3.3.3.3 by the router 2.2.2.2 are reflected to 4.4.

BGP FeaturesExtremeWare XOS 11.0 Concepts Guide 295To configure router 4.4.4.4, use the following commands:create vlan to_rrconfigure vlan to_rr add

296 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing ProtocolsTo configure router A, use the following commands:create vlan abconfigure vl

BGP FeaturesExtremeWare XOS 11.0 Concepts Guide 297To configure router C, use the following commands:create vlan caconfigure vlan ca add port 1config

298 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing Protocolsconfigure bgp as-number 65002configure bgp routerid 192.1.1.13configure bgp

BGP FeaturesExtremeWare XOS 11.0 Concepts Guide 299Changes made to the parameters of a peer group are applied to all neighbors in the peer group. Mod

ExtremeWare XOS 11.0 Concepts Guide 3 ContentsPrefaceIntroduction 15Conventions 16Related Publications 16Part 1 Using ExtremeWare XOSChapter 1 Extreme

30 ExtremeWare XOS 11.0 Concepts GuideAccessing the SwitchSymbolsYou may see a variety of symbols shown as part of the command syntax. These symbols e

300 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing Protocolsflaps so often that the penalty exceeds a configurable suppress limit, the r

BGP FeaturesExtremeWare XOS 11.0 Concepts Guide 301To view the configured values of the route flap dampening parameters for a BGP peer group, use the

302 ExtremeWare XOS 11.0 Concepts GuideExterior Gateway Routing ProtocolsConfiguring Route RedistributionExporting routes between any two routing pro

ExtremeWare XOS 11.0 Concepts Guide 303 18 IP Multicast RoutingThis chapter covers the following topics: • Overview on page 303• Configuring IP Multic

304 ExtremeWare XOS 11.0 Concepts GuideIP Multicast RoutingPIM OverviewThe switch supports both dense mode and sparse mode operation. You can configu

OverviewExtremeWare XOS 11.0 Concepts Guide 305IGMP OverviewIGMP is a protocol used by an IP host to register its IP multicast group membership with

306 ExtremeWare XOS 11.0 Concepts GuideIP Multicast RoutingTo display the IGMP snooping static groups, use the following command:show igmp snooping v

Configuration ExamplesExtremeWare XOS 11.0 Concepts Guide 307Figure 55: IP multicast routing using PIM-DM configuration exampleThe router labeled IR1

308 ExtremeWare XOS 11.0 Concepts GuideIP Multicast RoutingPIM-SM Configuration ExampleIn Figure 56, the system labeled ABR1 is configured for IP mul

Part 3Appendixes

Command HistoryExtremeWare XOS 11.0 Concepts Guide 31Command HistoryExtremeWare XOS “remembers” the commands you enter. You can display a list of thes

ExtremeWare XOS 11.0 Concepts Guide 311 A Software Upgrade and Boot OptionsThis appendix describes the following topics:• Downloading a New Image on p

312 ExtremeWare XOS 11.0 Concepts GuideSoftware Upgrade and Boot OptionsIf you download and install the software image on the active partition, you m

Downloading a New ImageExtremeWare XOS 11.0 Concepts Guide 313Output from this command includes the selected and booted images and if they are in the

314 ExtremeWare XOS 11.0 Concepts GuideSoftware Upgrade and Boot OptionsUse this command to schedule a time to reboot the switch or to reboot the swi

Saving Configuration ChangesExtremeWare XOS 11.0 Concepts Guide 315NOTEConfiguration files have a .cfg file extension. When you enter the name of the

316 ExtremeWare XOS 11.0 Concepts GuideSoftware Upgrade and Boot OptionsReturning to Factory DefaultsTo return the switch configuration to factory de

Using TFTP to Download the ConfigurationExtremeWare XOS 11.0 Concepts Guide 317You can also see a complete list of configuration files by entering th

318 ExtremeWare XOS 11.0 Concepts GuideSoftware Upgrade and Boot OptionsIf the configuration currently running in the switch does not match the confi

Upgrading the BootROMExtremeWare XOS 11.0 Concepts Guide 319The following describes some ways that you can use the Bootloader.• Viewing images—To dis

32 ExtremeWare XOS 11.0 Concepts GuideAccessing the Switchconfigure slot <slot> module <module_type> Configures a slot for a particular I/

320 ExtremeWare XOS 11.0 Concepts GuideSoftware Upgrade and Boot Options

ExtremeWare XOS 11.0 Concepts Guide 321 B TroubleshootingThis appendix describes some troubleshooting tips on the following topics:• LEDs on page 321•

322 ExtremeWare XOS 11.0 Concepts GuideTroubleshootingenabled will not be lit. The default configuration for a Gigabit port is autonegotiation enable

Using the Command Line InterfaceExtremeWare XOS 11.0 Concepts Guide 323For console port access, you may need to press [Return] several times before t

324 ExtremeWare XOS 11.0 Concepts GuideTroubleshootingPermanent entries remain in the FDB:If you have made a permanent entry in the FDB that requires

Using the Command Line InterfaceExtremeWare XOS 11.0 Concepts Guide 325No link light on Gigabit fiber port:Check that:• The transmit fiber goes to th

326 ExtremeWare XOS 11.0 Concepts GuideTroubleshootingSTPYou have connected an endstation directly to the switch and the endstation fails to boot cor

Debug ModeExtremeWare XOS 11.0 Concepts Guide 327You cannot enable an ESRP domain:Before you enable a specific ESRP domain, it must have a domain ID.

328 ExtremeWare XOS 11.0 Concepts GuideTroubleshootingSystem Health CheckThere are two modes of health checking available on the switch: polling and

System OdometerExtremeWare XOS 11.0 Concepts Guide 329System OdometerEach field replaceable component contains a system odometer counter in EEPROM. U

Configuring Management AccessExtremeWare XOS 11.0 Concepts Guide 33Configuring Management AccessExtremeWare XOS supports the following two levels of m

330 ExtremeWare XOS 11.0 Concepts GuideTroubleshooting3 Reboot the MSM and press the spacebar key on the keyboard of the terminal during the boot up

ExtremeWare XOS 11.0 Concepts Guide 331 C Supported Protocols, MIBs, and StandardsThe following is a list of software standards and protocols supporte

332 ExtremeWare XOS 11.0 Concepts GuideSupported Protocols, MIBs, and StandardsRIPRFC 1058 Routing Information Protocol RFC 2453 RIP Version 2OSPFRF

ExtremeWare XOS 11.0 Concepts Guide 333Management - SNMP & MIBsRFC 1157 Simple Network Management Protocol (SNMP)RFC-1215 Convention for defining

334 ExtremeWare XOS 11.0 Concepts GuideSupported Protocols, MIBs, and Standards

ExtremeWare XOS 11.0 Concepts Guide 335 GlossaryAABR Area border router. In OSPF, an ABR has interfaces in multiple areas, and it is responsible for e

336 ExtremeWare XOS 11.0 Concepts GuideGlossarytASBR Autonomous system border router. In OSPF, an ASBR acts as a gateway between OSPF and other routi

ExtremeWare XOS 11.0 Concepts Guide 337blackholing In Extreme Networks implementation, you can configure the switch so that traffic is silently dropp

338 ExtremeWare XOS 11.0 Concepts GuideGlossaryCLI Command line interface. You use the CLI to monitor and manage the switch.cluster In BGP, a cluster

ExtremeWare XOS 11.0 Concepts Guide 339DHCP Dynamic Host Configuration Protocol. DHCP allows network administrators to centrally manage and automate

34 ExtremeWare XOS 11.0 Concepts GuideAccessing the SwitchThe administrator can disconnect a management session that has been established by way of a

340 ExtremeWare XOS 11.0 Concepts GuideGlossaryEDP Extreme Discovery Protocol. EDP is a protocol used to gather information about neighbor Extreme Ne

ExtremeWare XOS 11.0 Concepts Guide 341ESRP groups An ESRP group runs multiple instances of ESRP within the same VLAN (or broadcast domain). To provi

342 ExtremeWare XOS 11.0 Concepts GuideGlossaryGigabit Ethernet This is the networking standard for transmitting data at 1000 Mbps or 1 Gbps. Devices

ExtremeWare XOS 11.0 Concepts Guide 343IP Internet Protocol. The communications protocol underlying the Internet, IP allows large, geographically div

344 ExtremeWare XOS 11.0 Concepts GuideGlossaryLayer 2 Layer 2 is the second, or data link, layer of the OSI model, or the MAC layer. This layer is r

ExtremeWare XOS 11.0 Concepts Guide 345member VLAN In ESRP, you configure zero or more member VLANs for each ESRP domain. A member VLAN can belong to

346 ExtremeWare XOS 11.0 Concepts GuideGlossaryNneutral state/switch In ESRP, the neutral state is the initial state entered by the switch. In a neut

ExtremeWare XOS 11.0 Concepts Guide 347OSI reference model The 7-layer standard model for network architecture is the basis for defining network prot

348 ExtremeWare XOS 11.0 Concepts GuideGlossaryPMBR PIM multicast border router. A PIMBR integrates PIM-DM and PIM-SM traffic.policy files You use po

ExtremeWare XOS 11.0 Concepts Guide 349QQoS Quality of Service. Policy-enabled QoS is a network service that provides the ability to prioritize diffe

Configuring Management AccessExtremeWare XOS 11.0 Concepts Guide 35To add a password to the default user account:1 Log in to the switch using the name

350 ExtremeWare XOS 11.0 Concepts GuideGlossaryroute aggregation In BGP, you can combine the characteristics of several routes so they are advertised

ExtremeWare XOS 11.0 Concepts Guide 351STP Spanning Tree Protocol. STP is a protocol, defined in IEEE 802.1d, used to eliminate redundant data paths

352 ExtremeWare XOS 11.0 Concepts GuideGlossaryTCN Topology change notification. The TCN is a timer used in RSTP that signals a change in the topolog

ExtremeWare XOS 11.0 Concepts Guide 353virtual router MAC addressIn VRRP, RFC 2338 assigns a static MAC address for the first five octets of the VRRP

354 ExtremeWare XOS 11.0 Concepts GuideGlossaryVRRP Virtual Router Redundancy Protocol. VRRP specifies an election protocol that dynamically assigns

ExtremeWare XOS 11.0 Concepts Guide 355 Index of CommandsCcheck policy 155, 166clear access-list counter 156clear counters 142clear log counters 1

356 ExtremeWare XOS 11.0 Concepts Guide Index of Commandsconfigure ospf area timer 286configure ospf ase-limit 279configure ospf timer 286configure

ExtremeWare XOS 11.0 Concepts Guide 357 Index of Commandsdisable esrp 237, 327disable idletimeout 32disable learning port 105disable log debug-mode

358 ExtremeWare XOS 11.0 Concepts Guide Index of Commandsshow banner 33show bgp neighbor 300show bgp peer-group 301show bootprelay 274show checkpo

ExtremeWare XOS 11.0 Concepts Guide 359 IndexSymbols# prompt 34* prompt 34.cfg file 315.pol file 148, 158.xmod file 312.xos file 312> prompt 33Nume

36 ExtremeWare XOS 11.0 Concepts GuideAccessing the SwitchYou will be prompted for the failsafe account name and prompted twice to specify the passwor

360 ExtremeWare XOS 11.0 Concepts Guide IndexBGP (continued) features 293loopback interface 298peer groupscreating 298deleting 298description 298manda

ExtremeWare XOS 11.0 Concepts Guide 361 Indexdebug mode 142, 327See also EMSdefaultaccounts 34gateway 251, 261passwords 34port status 71returning to f

362 ExtremeWare XOS 11.0 Concepts Guide IndexEMS (continued) filtersconfiguring 136creating 136viewing 137log targetdefault 132disabling 132enabling 1

ExtremeWare XOS 11.0 Concepts Guide 363 IndexHhardware support, BlackDiamond switches 19hitless failoverESRP 234STP 202host attach, ESRP 242II/O modul

364 ExtremeWare XOS 11.0 Concepts Guide Indexload sharing (continued) guidelines 76load-sharing group, description 74master port 76overview 22verifyin

ExtremeWare XOS 11.0 Concepts Guide 365 IndexPIMand IP multinetting 271mode interoperation 304multicast border router (PMBR) 304PIM-DMdescription 304e

366 ExtremeWare XOS 11.0 Concepts Guide IndexQoS (continued) bi-directional rate shapingconfiguring 123description 121maximum bandwidth 122maximum com

ExtremeWare XOS 11.0 Concepts Guide 367 IndexRSTP (continued) link typesauto 211broadcast 211configuring 211description 211edge 211point-to-point 211o

368 ExtremeWare XOS 11.0 Concepts Guide Indexstart process 67static IGMP 305static networks, and BGP 302static routes 263statistics, port 126status mo

ExtremeWare XOS 11.0 Concepts Guide 369 IndexTelnet (continued) disabling 46displaying status 46re-enabling 46server 43sessionestablishing 42maximum n

Checking Basic ConnectivityExtremeWare XOS 11.0 Concepts Guide 37In addition, the nslookup utility can be used to return the IP address of a hostname.

370 ExtremeWare XOS 11.0 Concepts Guide IndexVLANs (continued) precedence 89protocol filterscustomizing 88deleting 89predefined 88protocol-based 87QoS

38 ExtremeWare XOS 11.0 Concepts GuideAccessing the SwitchIf a ping request fails, the switch continues to send ping messages until interrupted. Press

ExtremeWare XOS 11.0 Concepts Guide 39 3 Managing the SwitchThis chapter covers the following topics:• Overview on page 39 • Understanding the Extreme

4 ExtremeWare XOS 11.0 Concepts Guide ContentsChapter 2 Accessing the SwitchUnderstanding the Command Syntax 27Syntax Helper 28Command Shortcuts 28Mod

40 ExtremeWare XOS 11.0 Concepts GuideManaging the Switch• Download software updates and upgrades. For more information, see Appendix A, “Software Up

Using the Console InterfaceExtremeWare XOS 11.0 Concepts Guide 41See “Saving Configuration Changes” on page 314 for more information about saving, up

42 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchUsing the 10/100 Ethernet Management PortThe Management Switch Fabric Module (MSM) provides

Using TelnetExtremeWare XOS 11.0 Concepts Guide 43The same is true if you use the switch to connect to another host. From the CLI, you must specify t

44 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchYou can disable BOOTP or DHCP per VLAN by using the following commands:disable bootp vlan [&

Using TelnetExtremeWare XOS 11.0 Concepts Guide 45— If you have been assigned a user name and password with administrator privileges, enter them at t

46 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchTo change the default TCP port number, use the following command:configure telnet port [<

Using Secure Shell 2ExtremeWare XOS 11.0 Concepts Guide 47Connecting to Another Host Using TFTPYou can TFTP from the current CLI session to another h

48 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchNode ElectionNode election is based on leader election between the MSMs installed in the cha

System RedundancyExtremeWare XOS 11.0 Concepts Guide 49Relinquishing Master StatusYou can cause the master to failover to the backup, thereby relinqu

ExtremeWare XOS 11.0 Concepts Guide 5 ContentsSystem Redundancy 47Node Election 48Replicating Data Between Nodes 49Viewing Node Status 51Power Managem

50 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchRelaying Configuration InformationTo facilitate a failover from the master MSM to the backup

Power ManagementExtremeWare XOS 11.0 Concepts Guide 51This command is also helpful in debugging synchronization problems that occur at run time.This

52 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchThe BlackDiamond 10808 switch includes two power supply controllers that collect data from t

Using the Simple Network Management ProtocolExtremeWare XOS 11.0 Concepts Guide 53Displaying Power Supply DataTo view the distribution of power and a

54 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchTo prevent any type of SNMP access, use the following command:disable snmp accessTo prevent

Using the Simple Network Management ProtocolExtremeWare XOS 11.0 Concepts Guide 55• System name—The system name enables you to enter a name that you

56 ExtremeWare XOS 11.0 Concepts GuideManaging the Switchimplementing a multilingual agent, so that various versions of SNMP can coexist simultaneous

Using the Simple Network Management ProtocolExtremeWare XOS 11.0 Concepts Guide 57Every SNMPv3 engine necessarily maintains two objects: SNMPEngineBo

58 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchGroups. Groups are used to manage access for the MIB. You use groups to define the security

Using the Simple Network Management ProtocolExtremeWare XOS 11.0 Concepts Guide 59• AuthPriv—Authentication, privacy. This represents the highest lev

6 ExtremeWare XOS 11.0 Concepts Guide ContentsLoad-Sharing Examples 76Verifying the Load-Sharing Configuration 77Switch Port Mirroring 77Switch Port-M

60 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchAfter the view has been created, you can repeatedly use the configure snmpv3 add mib-view co

Using the Simple Network Management ProtocolExtremeWare XOS 11.0 Concepts Guide 61To delete a single target address or all target addresses, use the

62 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchTo display the filters that belong a filter profile, use the following command:show snmpv3 f

Authenticating UsersExtremeWare XOS 11.0 Concepts Guide 63Authenticating UsersExtremeWare XOS provides three methods to authenticate users who log in

64 ExtremeWare XOS 11.0 Concepts GuideManaging the SwitchConfiguring and Using SNTPTo use SNTP, follow these steps:1 Identify the host(s) that are co

Using the Simple Network Time ProtocolExtremeWare XOS 11.0 Concepts Guide 65Automatic Daylight Savings Time changes can be enabled or disabled. The d

66 ExtremeWare XOS 11.0 Concepts GuideManaging the Switch6 You can verify the configuration using the following commands:— show sntp-clientThis comma

Process ManagementExtremeWare XOS 11.0 Concepts Guide 67SNTP ExampleIn this example, the switch queries a specific NTP server and a backup NTP server

68 ExtremeWare XOS 11.0 Concepts GuideManaging the Switch

ExtremeWare XOS 11.0 Concepts Guide 694 Configuring Slots and Ports on a SwitchThis chapter covers the following topics: • Configuring a Slot on a Mod

ExtremeWare XOS 11.0 Concepts Guide 7 ContentsChapter 7 Forwarding DatabaseOverview of the FDB 103FDB Contents 103How FDB Entries Get Added 103FDB Ent

70 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchIf a slot is configured for one type of module, and a different type of m

Configuring Ports on a SwitchExtremeWare XOS 11.0 Concepts Guide 71Enabling and Disabling Switch PortsBy default, all ports are enabled. To enable or

72 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchThe 10 Gbps ports do not autonegotiate; they always run at full duplex an

Jumbo FramesExtremeWare XOS 11.0 Concepts Guide 73Path MTU DiscoveryUsing path MTU discovery, a source host assumes that the path MTU is the MTU of th

74 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchIP Fragmentation within a VLANExtremeWare XOS supports IP fragmentation w

Load Sharing on the SwitchExtremeWare XOS 11.0 Concepts Guide 75VMAN ports can belong to load-sharing groups. If any port in the load-sharing group is

76 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchTo verify your configuration, use the following command:show ports sharin

Switch Port MirroringExtremeWare XOS 11.0 Concepts Guide 77use other ports in the load-sharing group will have those ports deleted from the VLAN when

78 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchNOTEFrames that contain errors are not mirrored.The monitor port transmit

Extreme Discovery ProtocolExtremeWare XOS 11.0 Concepts Guide 79Switch Port-Mirroring ExamplesThe following example selects slot 7, port 3 as the unta

8 ExtremeWare XOS 11.0 Concepts Guide ContentsSystem Health Checking 129Enabling and Disabling Backplane Diagnostic Packets on the Switch 130Configuri

80 ExtremeWare XOS 11.0 Concepts GuideConfiguring Slots and Ports on a SwitchTo enable EDP on specified ports, use the following command:enable edp po

ExtremeWare XOS 11.0 Concepts Guide 815 Virtual LANs This chapter covers the following topics:• Overview of Virtual LANs on page 81• Types of VLANs on

82 ExtremeWare XOS 11.0 Concepts GuideVirtual LANs• VLANs provide extra security—Devices within each VLAN can communicate only with member devices in

Types of VLANsExtremeWare XOS 11.0 Concepts Guide 83Figure 1: Example of a port-based VLAN on an Extreme Networks switch For the members of different

84 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsFigure 3 illustrates two VLANs spanning two switches. On system 2, ports 25 through 29 are part of V

Types of VLANsExtremeWare XOS 11.0 Concepts Guide 85Uses of Tagged VLANsTagging is most commonly used to create VLANs that span switches. The switch-t

86 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsFigure 4: Physical diagram of tagged and untagged traffic Figure 5 is a logical diagram of the same

Types of VLANsExtremeWare XOS 11.0 Concepts Guide 87• The server connected to port 25 on system 1 is a member of both VLAN Marketing and VLAN Sales.•

88 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsFigure 6: Protocol-based VLANs Predefined Protocol FiltersThe following protocol filters are predefi

VLAN NamesExtremeWare XOS 11.0 Concepts Guide 892 Configure the protocol using the following command:configure protocol <name> add [etype | llc

ExtremeWare XOS 11.0 Concepts Guide 9 ContentsPart 2 Using Switching and Routing ProtocolsChapter 11 Ethernet Automatic Protection SwitchingOverview o

90 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsVLAN names must begin with an alphabetical letter. The names can be no longer than 32 characters and

Configuring VLANs on the SwitchExtremeWare XOS 11.0 Concepts Guide 91NOTEEach IP address and mask assigned to a VLAN must represent a unique IP subnet

92 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsconfigure ipsales protocol ipconfigure ipsales add port 5:6-5:8,6:1,6:3-6:6The following modular swi

Tunneling (VMANs)ExtremeWare XOS 11.0 Concepts Guide 93You can display statistics for multiple VLANs by entering the name of each VLAN on the command

94 ExtremeWare XOS 11.0 Concepts GuideVirtual LANsNOTEAll ports added to a specified VMAN must be in the same virtual router. For more information on

Tunneling (VMANs)ExtremeWare XOS 11.0 Concepts Guide 95VMAN ExampleThe follow example shows the steps to configure VMAN 1 on the Black Diamond 10808 s

96 ExtremeWare XOS 11.0 Concepts GuideVirtual LANs

ExtremeWare XOS 11.0 Concepts Guide 97 6 Virtual RoutersThis chapter describes the following topics:• Virtual Routers Overview on page 97• Using Virtu

98 ExtremeWare XOS 11.0 Concepts GuideVirtual Routersconfiguration domain is introduced in ExtremeWare XOS 11.0. Under a virtual router configuration

Using Virtual RoutersExtremeWare XOS 11.0 Concepts Guide 99(previous to release 11.0 these virtual routers were named VR-0, VR-1, and VR-2, respectiv