Ethernet Switching on EX Series Switches - Juniper Networks

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<strong>Ethernet</strong> <strong>Switching</strong> on EX Series Switches iv PVLANs Use IP Addresses Efficiently . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 PVLANs Use Four Different <strong>Ethernet</strong> Switch Port Types . . . . . . . . . . . . . . . . . 18 Creating a PVLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Understanding PVLAN Traffic Flows Across Multiple Switches . . . . . . . . . . . . . . . 22 Community VLAN Sending Untagged Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Isolated VLAN Sending Untagged Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 PVLAN Tagged Traffic Sent on a Promiscuous Port . . . . . . . . . . . . . . . . . . . . 24 Understanding Virtual Routing Instances on EX Series Switches . . . . . . . . . . . . . 26 Understanding Multiple VLAN Registration Protocol (MVRP) on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 How MVRP Updates, Creates, and Deletes VLANs on the Switches . . . . . . . . 27 MVRP Is Disabled by Default on the Switches . . . . . . . . . . . . . . . . . . . . . . . . . 27 MRP Timers Control MVRP Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 MVRP Uses MRP Messages to Transmit Switch and VLAN States . . . . . . . . . 28 Compatibility Issues With Junos OS Release 11.3 and Later . . . . . . . . . . . . . . 29 Understanding MAC Notification on EX Series Switches . . . . . . . . . . . . . . . . . . . . 29 Understanding MAC Address Aging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Understanding MAC Address Assignment in an EX Series Switch . . . . . . . . . . . . . 31 Understanding Edge Virtual Bridging for Use with VEPA Technology . . . . . . . . . . 32 What Is EVB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 What Is VEPA? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Why Use VEPA Instead of VEB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 How Does EVB Work? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 How Do I Implement EVB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Understanding <strong>Ethernet</strong> Ring Protection <strong>Switching</strong> Functionality . . . . . . . . . . . . . 34 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Ring Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Ring Node States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Failure Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Logical Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 FDB Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Traffic Blocking and Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 RAPS Message Blocking and Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Dedicated Signaling Control Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 RAPS Message Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Multiple Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Node ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Bridge Domains with the Ring Port (MX Series Routers Only) . . . . . . . . . . . . 38 <strong>Ethernet</strong> Ring Protection <strong>Switching</strong> Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Chapter 2 Q-in-Q Tunneling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Understanding Q-in-Q Tunneling on EX Series Switches . . . . . . . . . . . . . . . . . . . . 41 How Q-in-Q Tunneling Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Disabling MAC Address Learning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Mapping C-VLANs to S-VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 All-in-One Bundling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Many-to-One Bundling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Mapping a Specific Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Routed VLAN Interfaces on Q-in-Q VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Copyright © 2012, Juniper Networks, Inc.
Limitations for Q-in-Q Tunneling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Chapter 3 Layer 2 Protocol Tunneling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Understanding Layer 2 Protocol Tunneling on EX Series Switches . . . . . . . . . . . . 45 Layer 2 Protocols Supported by L2PT on EX Series Switches . . . . . . . . . . . . 45 How L2PT Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 L2PT Basics on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Chapter 4 Redundant Trunk Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Understanding Redundant Trunk Links on EX Series Switches . . . . . . . . . . . . . . . 49 Chapter 5 Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Part 2 Configuration Understanding Proxy ARP on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . 53 What Is ARP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Proxy ARP Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Best Practices for Proxy ARP on EX Series Switches . . . . . . . . . . . . . . . . . . . . 54 Chapter 6 Configuration Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Example: Setting Up Basic Bridging and a VLAN for an EX Series Switch . . . . . . . 57 Example: Setting Up Bridging with Multiple VLANs for EX Series Switches . . . . . 64 Example: Connecting an Access Switch to a Distribution Switch . . . . . . . . . . . . . . 71 Example: Configuring a Private VLAN on a Single EX Series Switch . . . . . . . . . . . . 81 Example: Using Virtual Routing Instances to Route Among VLANs on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Example: Configuring Automatic VLAN Administration Using MVRP on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Example: Setting Up Q-in-Q Tunneling on EX Series Switches . . . . . . . . . . . . . . . 101 Example: Configuring Layer 2 Protocol Tunneling on EX Series Switches . . . . . . 104 Example: Configuring Redundant Trunk Links for Faster Recovery . . . . . . . . . . . 109 Example: Configuring Proxy ARP on an EX Series Switch . . . . . . . . . . . . . . . . . . . 114 Example: Configuring a Private VLAN Spanning Multiple EX Series Switches . . . 116 Example: Configuring Edge Virtual Bridging for Use with VEPA Technology . . . . . 131 Example: Configuring <strong>Ethernet</strong> Ring Protection <strong>Switching</strong> on EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Chapter 7 Configuration Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Copyright © 2012, Juniper Networks, Inc. Table of Contents Configuring VLANs for EX Series Switches (J-Web Procedure) . . . . . . . . . . . . . . . 151 Configuring VLANs for EX Series Switches (CLI Procedure) . . . . . . . . . . . . . . . . . 154 Why Create a VLAN? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Create a VLAN Using the Minimum Procedure . . . . . . . . . . . . . . . . . . . . . . . . 154 Create a VLAN Using All of the Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Configuration Guidelines for VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Configuring Routed VLAN Interfaces (CLI Procedure) . . . . . . . . . . . . . . . . . . . . . . 157 Configuring MAC Table Aging (CLI Procedure) . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 Configuring the Native VLAN Identifier (CLI Procedure) . . . . . . . . . . . . . . . . . . . . 159 Creating a Series of Tagged VLANs (CLI Procedure) . . . . . . . . . . . . . . . . . . . . . . 160 Creating a Private VLAN on a Single EX Series Switch (CLI Procedure) . . . . . . . . 161 v
Page 1 and 2: Junos ® OS for EX Series E
Page 3: Table of Contents Part 1 Overview A
Page 7 and 8: Copyright © 2012, Juniper Networks
Page 9 and 10: Part 4 Troubleshooting Chapter 11 T
Page 11 and 12: List of Figures Part 1 Overview Cha
Page 13 and 14: List of Tables Part 1 Overview Abou
Page 15 and 16: About the Documentation • Documen
Page 17 and 18: Documentation Conventions Table 1:
Page 19 and 20: Documentation Feedback We encourage
Page 21 and 22: PART 1 Overview Copyright © 2012,
Page 23 and 24: CHAPTER 1 Bridging and VLANs • Un
Page 25 and 26: network. As packets are sent, the s
Page 27 and 28: Tagged-Access Mode Tagged-access mo
Page 29 and 30: Assigning Traffic to VLANs Forwardi
Page 31 and 32: Understanding Routed VLAN Interface
Page 33 and 34: Viewing RVI Statistics Figure 2: Cr
Page 35 and 36: known hosts. Service providers use
Page 37 and 38: Figure 4: PVLAN Spanning Multiple S
Page 39 and 40: • Promiscuous port—A promiscuou
Page 41 and 42: Configuring a PVLAN on Multiple Swi
Page 43 and 44: Figure 8: Community VLAN Sends Unta
Page 45 and 46: Related Documentation Copyright ©
Page 47 and 48: Understanding Multiple VLAN Registr
Page 49 and 50: Compatibility Issues With Junos OS
Page 51 and 52: Related Documentation hierarchy, de
Page 53 and 54: How Does EVB Work? functionality to
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Ring Node States Failure Detection
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• term 2: if [source MAC address
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Related Documentation Copyright ©
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CHAPTER 2 Q-in-Q Tunneling • Unde
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If you configure multiple methods,
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CHAPTER 3 Layer 2 Protocol Tunnelin
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Figure 13: L2PT Example L2PT suppor
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CHAPTER 4 Redundant Trunk Groups
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CHAPTER 5 Proxy ARP • Understandi
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PART 2 Configuration Copyright © 2
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CHAPTER 6 Configuration Examples
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Table 7: Components of the Basic Br
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Copyright © 2012, Juniper Networks
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Verification ge-0/1/3 { unit 0 { fa
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Requirements Overview and Topology
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Step-by-Step Procedure Copyright ©
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Action List the Layer 3 routes in t
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Figure 16: Topology for Configurati
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5. Configure the support VLAN: [edi
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user@switch> show vlans Name Tag In
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Configuration CLI Quick Configurati
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Number of interfaces: Tagged 2 (Act
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Verification [edit] user@switch# se
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Table 11: Components of the Network
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} } ge-0/0/3 { unit 0 { family ethe
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family ethernet-switching { vlan {
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MVRP timers (ms): Interface Join Le
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__mvrp_200__ unblocked __mvrp_300__
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Configuration CLI Quick Configurati
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Layer2 Protocol Tunneling informati
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Verification user@switch# set proto
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Configuration Verification CLI Quic
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Table 14: Components of Switch 1 in
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Configuring a PVLAN on Switch 3 CLI
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Verifying That the Primary VLAN and
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Number of interfaces: Tagged 0 (Act
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Example: Configuring Edge Virtual B
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Table 17: Components of the Topolog
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Verification admin@host# show edge-
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Overview and Topology • Configure
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Step-by-Step Procedure To configure
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CLI Quick Configuration } } Copyrig
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user@switch# set control-vlan erp-c
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CLI Quick Configuration Step-by-Ste
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CHAPTER 7 Configuration Tasks • C
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Table 19: VLAN Configuration Detail
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Create a VLAN Using All of the Opti
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Configuring Routed VLAN Interfaces
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Related Documentation • Example:
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Related Documentation • NOTE: Whe
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Related Documentation NOTE: Do not
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Disabling MVRP Disabling Dynamic VL
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Related Documentation you must alte
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Table 20: RTG Configuration Fields
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Creating a Private VLAN Spanning Mu
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Related Documentation • set stati
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Configuring Ethernet</stron
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CHAPTER 8 Configuration Statements
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Related Documentation • proxy-arp
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Related Documentation • bpdu-bloc
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Related Documentation add-attribute
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arp-on-stp Syntax arp-on-stp; Hiera
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List of Sample Output clear etherne
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customer-vlans Syntax customer-vlan
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description Syntax description text
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dot1q-tunneling (VLANs) Syntax dot1
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east-interface Syntax east-interfac
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ether-type Syntax ether-type (0x810
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ethernet-switching-options Syntax e
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Hierarchy Level [edit] } } traceopt
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group Syntax group name { interface
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instance-type Syntax instance-type
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interface Syntax interface interfac
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interface (MVRP) Syntax interface (
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join-timer (MVRP) Syntax join-timer
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Required Privilege Level Related Do
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leaveall-timer (MVRP) Syntax leavea
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mac Syntax mac mac-address { next-h
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mapping Syntax mapping (native (pus
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native-vlan-id Syntax native-vlan-i
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no-mac-learning Syntax no-mac-learn
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port-mode Syntax port-mode mode; Hi
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primary-vlan Syntax primary-vlan vl
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estore-interval number; traceoption
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pvlan-trunk Syntax pvlan-trunk; Hie
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ing-protection-link-end Syntax ring
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shutdown-threshold Syntax shutdown-
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traceoptions (Ethernet</str
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vlan Required Privilege Level Relat
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vlan-id Syntax vlan-id number; Hier
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vlans Syntax vlans { vlan-name { de
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vsi-discovery Syntax vsi-discovery
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west-interface Syntax west-interfac
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PART 3 Administration Copyright ©
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CHAPTER 9 Routine Monitoring • Ve
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__employee_130__ 130 ge-0/0/22.0* M
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Display Layer 2 VLANs, including an
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Related Documentation Also, for the
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Verifying That Proxy ARP Is Working
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CHAPTER 10 Operational Commands Cop
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clear ethernet-switching layer2-pro
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List of Sample Output clear etherne
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show edge-virtual-bridging Syntax s
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show edge-virtual-bridging vsi-prof
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Table 23: show ethernet-switching i
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show ethernet-switching interfaces
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Sample Output show ethernet-switchi
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Table 25: show ethernet-switching l
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show ethernet-switching layer2-prot
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show ethernet-switching mac-learnin
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show ethernet-switching mac-notific
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Table 30: show ethernet-switching s
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show ethernet-switching table Synta
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show ethernet-switching table persi
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show mvrp statistics Syntax show mv
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Sample Output show protection-group
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Table 36: show protection-group eth
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show protection-group ethernet-ring
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show system statistics arp Syntax s
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Table 41: show vlans Output Fields
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show vlans extensive (for a PVLAN s
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show vlans extensive (Port-based) C
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show vlans sort-by name show vlans
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PART 4 Troubleshooting Copyright ©
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CHAPTER 11 Troubleshooting Procedur
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