H3C S10500 Series Manuale utente

H3C S10500 Switch Series

EVB

Configuration Guide

Hangzhou H3C Technologies Co., Ltd.

http://www.h3c.com

Software version: S10500-CMW710-R7523P01

Document version: 6W100-20160830

No part of this manual may be reproduced or transmitted in any form or by any means without prior written

consent of Hangzhou H3C Technologies Co., Ltd.

Trademarks

H3C, , H3CS, H3CIE, H3CNE,Aolynk, , H3Care, , IRF, NetPilot, Netflow, SecEngine,

SecPath, SecCenter, SecBlade, Comware, ITCMM and HUASAN are trademarks of Hangzhou H3C

Technologies Co., Ltd.

All other trademarks that may be mentioned in this manual are the property of their respective owners

Notice

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of any kind, express or implied.

Preface

This configuration guide describes EVB fundamentals and configuration. It describes how to enable

EVB, configure negotiation parameters, and establish S-channels between the EVB station and the

EVB bridge.

This preface includes the following topics about the documentation:

•Audience.

•Conventions.

•About the H3C S10500 documentation set.

•Obtaining documentation.

•Technical support.

•Documentation feedback.

Audience

This documentation is intended for:

•Network planners.

•Field technical support and servicing engineers.

•Network administrators working with the S10500 switch series.

Conventions

This section describes the conventions used in the documentation.

Port numbering in examples

The port numbers in the documentation are for illustration only and might be unavailable on your

device.

Command conventions

Convention Description

Boldface Bold text represents commands and keywords that you enter literally as shown.

Italic Italic text represents arguments that you replace with actual values.

[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars, from which

you select one.

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical bars,

from which you select one or none.

Convention Description

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by vertical

bars, from which you select at least one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by vertical

bars, from which you select one choice, multiple choices, or none.

&<1-n> The argument or keyword and argument combination before the ampersand (&) sign

can be entered 1 to n times.

# A line that starts with a pound (#) sign is comments.

GUI conventions

Convention Description

Boldface Window names, button names, field names, and menu items are in Boldface. For

example, the New User window appears; click OK.

> Multi-level menus are separated by angle brackets. For example, File > Create >

Folder.

Symbols

Convention Description

WARNING! An alert that calls attention to important information that if not understood or followed

can result in personal injury.

CAUTION: An alert that calls attention to important information that if not understood or followed

can result in data loss, data corruption, or damage to hardware or software.

IMPORTANT: An alert that calls attention to essential information.

NOTE: An alert that contains additional or supplementary information.

TIP: An alert that provides helpful information.

Network topology icons

Convention Description

Represents a generic network device, such as a router, switch, or firewall.

Represents a routing-capable device, such as a router or Layer 3 switch.

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that

supports Layer 2 forwarding and other Layer 2 features.

Represents an access controller, a unified wired-WLAN module, or the access

controller engine on a unified wired-WLAN switch.

Represents an access point.

Wireless terminator unit.

Convention Description

Wireless terminator.

Represents a mesh access point.

Represents omnidirectional signals.

Represents directional signals.

Represents a security product, such as a firewall, UTM, multiservice security

gateway, or load balancing device.

Represents a security card, such as a firewall, load balancing, NetStream, SSL VPN,

IPS, or ACG card.

About the H3C S10500 documentation set

The H3C S10500 documentation set includes the following categories of documents:

Category Documents Purposes

Product description and

specifications Marketing brochures Describes product specifications and benefits.

Hardware specifications

and installation

Compliance and safety

manual

Provides regulatory information and the safety

instructions that must be followed during

installation.

Quick start Guides you through initial installation and setup

procedures to help you quickly set up and use

your device with the minimum configuration.

Installation guide Provides a complete guide to hardware

installation and hardware specifications.

H3C Pluggable SFP

[SFP+][XFP] Transceiver

Modules Installation Guide

Guides you through installing SFP/SFP+/XFP

transceiver modules.

H3C CFP Transceiver

Modules Installation Guide Guides you through installing CFP transceiver

modules.

H3C QSFP+ Transceiver

Modules Installation Guide Guides you through installing QSFP+

transceiver modules.

H3C Transceiver Modules

User Guide

Describes the transceiver modules available

for the H3C network products, their external

views, and specifications.

Category Documents Purposes

Software configuration

Configuration guides Describes software features and configuration

procedures.

Command references Provides a quick reference to all available

commands.

Configuration examples Describes typical network scenarios and

provide configuration examples and

instructions.

Operations and

maintenance

Troubleshooting Provides troubleshooting information for

common problems of using the product.

FAQ Covers the most frequently asked questions

about the hardware, software and system

specifications.

Release notes

Provides information about the product

release, including the version history, hardware

and software compatibility matrix, version

upgrade information, technical support

information, and software upgrading.

System log messages Explains the system log messages.

Obtaining documentation

Access the most up-to-date H3C product documentation on the World Wide Web

at http://www.h3c.com.

Click the following links to obtain different categories of product documentation:

[Technical Documents]—Provides hardware installation, software upgrading, and software feature

configuration and maintenance documentation.

[Products & Solutions]—Provides information about products and technologies, as well as

solutions. [Software Download]—Provides the documentation released with the software version.

Technical support

service@h3c.com

http://www.h3c.com

Documentation feedback

You can e-mail your comments about product documentation to info@h3c.com.

We appreciate your comments.

Contents

Configuring EVB ·····························································································1

Overview····························································································································································1

Basic concepts···········································································································································2

EVB working mechanism···························································································································2

Protocols and standards ····························································································································3

Feature and hardware compatibility···················································································································3

Licensing requirements······································································································································3

Configuration restrictions and guidelines···········································································································3

EVB and feature compatibility····················································································································3

EVB and feature configuration restrictions·································································································4

EVB configuration task list ·································································································································4

Enabling EVB·····················································································································································5

Configuring LLDP···············································································································································5

Specifying a default VSI manager······················································································································6

Configuring VDP negotiation parameters ··········································································································6

Configuring an S-channel ··································································································································7

Creating an S-channel ·······························································································································7

Configuring an S-channel interface or S-channel aggregate interface ······················································8

Enabling the RR mode for an S-channel····································································································8

Disabling MAC address learning for an S-channel ····················································································8

Configuring a VSI interface or VSI aggregate interface·····················································································9

Creating a VSI interface or VSI aggregate interface··················································································9

Configuring a VSI filter·····························································································································10

Activating a VSI interface or VSI aggregate interface··············································································11

Displaying and maintaining EVB······················································································································12

EVB configuration example······························································································································12

Network requirements······························································································································12

Configuration procedure···························································································································13

Verifying the configuration························································································································16

Index·············································································································17

Configuring EVB

Overview

Edge VirtualBridging (EVB) allows virtual machines (VMs) on a physical server to obtain bridge relay

services through a common bridge port. It enables coordinated configuration and management of

bridge services for VMs.

Data center virtualization includes network virtualization, storage virtualization, and server

virtualization. Server virtualization uses specific virtualization software such as VMware to create

VMs on a single physical server. Each VM operates independently and has its own operating system,

applications, and virtual hardware environments, as shown in Figure 1.

Figure 1 Server virtualization

VMs on a physical server communicate with each other or with the outside network through a Virtual

Ethernet Bridge (VEB). VEBs are implemented through software or hardware such as NICs. Both

implementation methods have the following limitations:

•Lack of traffic monitoring capabilities such as packets statistics, traffic mirroring, and

NetStream.

•Lack of network policy enforcement capabilities, such as QoS.

•Lack of management scalability, especially in unified deployment of the internal server network

and the external network.

EVB solves these limitations. It uses a physical switch (called EVB bridge) to switch traffic for VMs on

a directly connected physical server (called EVB station). EVB implements traffic policing, network

policy enforcement, and unified network deployment and management for VMs.

Basic concepts

Figure 2 shows the components on the EVB station and EVB bridge.

Figure 2 EVB architecture

•Edge Relay—An ER transfers packets between one URP and one or more DRPs. An ER has

one or more DRPs and one URP. Both URP and DRPs are called ER ports. An EVB station can

have multiple ERs.

•S-channel—Apoint-to-point S-VLAN established between a Port-mapping S-VLAN component

in an EVB station and a Port-mapping S-VLAN component in an EVB bridge. An S-channel

corresponds to the URP of an ER. On an EVB bridge, the end point of an S-channel is known as

an S-channel interface.An S-channel is identified by the S-VLAN Identifier (SVID) and the

S-channel Identifier (SCID), and the two values together are called an (SCID, SVID) pair.

•Virtual Station Interface—A VSI is a port on a VM that directly connects to the DRP of an ER.

A VSI is associated with a logical entity called VSI instance, which is identified by the VSI

Instance Identifier (VSIID). AVSI is associated with a virtual interface called VSI interface on

the EVB bridge port to implement VM traffic management and policy configuration. A VSI

interface can be considered a subinterface of an S-channel.

•Reflective Relay—RR is an operation mode in which a received frame on a port that supports

this function can be forwarded out of the same port. The EVB bridge uses this mode to forward

traffic among VMs on an EVB station, as shown in Figure 2.

EVB working mechanism

The following basic concepts describe EVB station and EVB bridge communication:

•S-channel Discovery and Configuration Protocol—CDCP is used to configure S-channels

between stations and bridges. When a station creates or deletes an S-channel, CDCP sends a

CDCP TLV in an LLDP packet that is addressed using the nearest non-TPMR bridge address to

the bridge. The bridge creates or deletes the S-channel.

•VSI Discovery and Configuration Protocol—VDP manages the association between a VSI

and a station-facing bridge port (SBP) on a bridge. VDP uses the Edge Control Protocol (ECP)

to carry VDP TLVs. A VDP TLV contains the VSIID, VSI type, and VSI version. The bridge uses

the VSI interfaces to manage traffic for VMs.

•VSI manager—A VSI manager stores network policies such as VSI traffic management and

deploys the policies when a VM accesses the network.

{When a station creates a VM, it sends a VDP pre-associate, pre-associate with resource

reservation, or associate packet to the bridge. The bridge sends the request to a VSI

manager, and the VSI manager notifies the bridge to create a VSI interface and apply

policies.

{When a station shuts down a VM, it sends a VDP de-associate packet to the bridge. The

bridge sends the request to the VSI manager, and the VSI manager notifies the bridge to

delete the VSI interface.

An EVB station and an EVB bridge perform the following steps to manage VM traffic:

1. Use CDCP to establish an S-channel.

2. Exchange EVB TLVs through LLDP to negotiate EVB capabilities such as RR, ECP parameters,

and VDP parameters for the S-channel.

3. Use VDP to associate the VSIs of VMs with the bridge port.

Protocols and standards

IEEE P802.1Qbg/D2.2, Draft Standard for Local and Metropolitan Area Networks—MAC Bridges

and Virtual Bridged Local Area Networks - Amendment XX: Edge Virtual Bridging

Feature and hardware compatibility

EVB is applicable only to interfaces on the following modules:

•EC interface modules.

•SE interface modules:

{LSU1CGC2SE0.

{LSUM2GP24TSSE0.

{LSUM2GP44TSSE0.

{LSUM2GT24PTSSE0.

{LSUM2GT24TSSE0.

{LSUM2GT48SE0.

{LSUM2GV48SE0.

•SF interface modules.

•SG interface modules.

Traffic received from an EVB-enabled interface can be forwarded only through interface modules

that support EVB.

Licensing requirements

EVB requires a license to run on the device. For information about obtaining a license, see

Fundamentals Configuration Guide.

Configuration restrictions and guidelines

EVB and feature compatibility

Table 1 shows features incompatible with EVB and the references for these features.

Table 1 Features incompatible with EVB

Feature Reference

EVI EVI Configuration Guide

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