Contents
65
Software Configuration Guide—Release IOS XE 3.9.xE and IOS 15.2(5)Ex
About Easy Virtual Network 83-2
Virtual Network Tags Provide Path Isolation 83-2
Virtual Network Tags 83-4
vnet Global 83-4
Edge Interfaces and EVN Trunk Interfaces 83-5
Identifying Trunk Interfaces in Display Output 83-6
Single IP Address on Trunk Interfaces 83-6
Relationship Between VRFs Defined and VRFs Running on a Trunk Interface 83-6
VRF Awareness 83-7
Routing Protocols Supported by EVN 83-8
Packet Flow in a Virtual Network 83-8
Command Inheritance on EVN Trunk Interfaces 83-10
Overriding Command Inheritance Virtual Network Interface Mode 83-10
Removing Overrides and Restoring Values Inherited from EVN Trunk 83-12
Determining if No Form of Commands Appear in Configuration Files 83-13
EVN Compatibility with VRF-Lite 83-13
Example: VRF-Lite Subinterface Configuration EVN Trunk Configuration 83-13
SQoS and EVN 83-14
Configuring Easy Virtual Networks 83-14
Enabling a Subset of VRFs over a Trunk Interface 83-15
Configuring EVN Edge Interfaces 83-16
Verifying EVN Configuration 83-16
Changing the Inherited IP Address for Subinterfaces 83-17
Configuration Examples for Configuring EVN 83-18
Example: Virtual Networks Using OSPF with network Commands 83-18
Example: Virtual Networks Using OSPF with ip ospf vnet area Command 83-19
Example: Overriding Command Inheritance 83-19
Example: Enabling an Attribute to vnet Global Only 83-20
Example: Command Inheritance and Virtual Network Interface Mode Override in a Multicast
Environment
83-20
Example: EVN Using IP Multicast 83-21
Troubleshooting EVN Configuration 83-22
Routing Context for EXEC Mode Reduces Repetitive VRF Specification 83-22
traceroute Output Indicates VRF Name and VRF Tag 83-22
Debug Output Filtering Per VRF 83-23
CISCO-VRF-MIB 83-23
ROM Monitor 84-1
Entering the ROM Monitor 84-1
ROM Monitor Commands 84-2
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