H3C S5500-SI Series Manuale utente

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Table of Contents

Table of Contents

Chapter 1 Stack Management Configuration .............................................................................1-1

1.1 Stack Management Overview............................................................................................1-1

1.1.1 Introduction to Stack ...............................................................................................1-1

1.1.2 Establishing a Stack................................................................................................1-2

1.2 Stack Management Configuration Task List......................................................................1-2

1.3 Configuring the Master Device of a Stack .........................................................................1-2

1.3.1 Configuring a Private IP Address Pool for a Stack .................................................1-2

1.3.2 Configuring Stack Ports ..........................................................................................1-3

1.3.3 Creating a Stack......................................................................................................1-3

1.4 Configuring Stack Ports of a Slave Device........................................................................1-4

1.5 Switching from the Master Device to a Slave Device........................................................1-4

1.6 Displaying and Maintaining Stack Management................................................................1-5

1.7 Stack Management Configuration Example......................................................................1-5

1.7.1 Stack Management Configuration Example............................................................1-5

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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Chapter 1 Stack Management Configuration

When configuring stack management, go to these sections for information you are

interested in:

zStack Management Overview

zStack Management Configuration Task List

zConfiguring the Master Device of a Stack

zConfiguring Stack Ports of a Slave Device

zSwitching from the Master Device to a Slave Device

zDisplaying and Maintaining Stack Management

zStack Management Configuration Example

1.1 Stack Management Overview

A stack is a set of network devices. Administrators can group multiple network devices

into a stack and manage them as a whole. Therefore, stack management can help

reduce customer investments and simplify network management.

1.1.1 Introduction to Stack

Astack is a management domain that comprises several network devices connected to

one another through stack ports. In a stack, there is a master device and several slave

devices.

An administrator can manage all the devices in a stack through the master device.

Figure 1-1 shows a network diagram for stack management.

Figure 1-1 Network diagram for stack management

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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zMaster device: In a stack, the master device acts as the configuration interface in

stack management. Management andmonitoring of all the devices in the stack are

performed through the master device.

zSlave devices: Managed devices in a stack.

zStack port: Ports that connect the master device and slave devices, and ports

connect between the slave devices in a stack.

1.1.2 Establishing a Stack

An administrator can establish a stack as follows:

zConfigure a private IP address pool for a stack and create the stack on the network

device which is desired to be the master device.

zConfigure ports that connect the master device and slave devices, and ports that

connect between the slave devices as stack ports.

zThe master device automatically adds the slave devices into the stack, and

assigns a number for each stack member.

zThe administrator can log in to any slave device from the master device of the

stack, and perform configurations for the slave device.

1.2 Stack Management Configuration Task List

Complete the following tasks to configure stack management:

Task Remarks

Configuring a Private IP Address

Pool for a Stack Required

Configuring Stack Ports Required

Configuring the Master

Device of a Stack

Creating a Stack Required

Configuring Stack Ports of a Slave Device Required

Switching from the Master Device to a Slave Device Optional

1.3 Configuring the Master Device of a Stack

1.3.1 Configuring a Private IP Address Pool for a Stack

To do… Use the command… Remarks

Enter system view system-view —

Configure a private IP

address pool for the stack

stack ip-pool

ip-address { mask |

mask-length }

Required

By default, no IP address pool

is configured for a stack.

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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Note:

zIf a device is already configured as the master device of a stack or is already a slave

device of a stack, you cannot configure a private IP address pool on the device.

zWhen you configure a private IP address pool for a stack, the number of IP

addresses in the address pool needs to be equal to or greater than the number of

devices to be added to the stack. Otherwise, some devices may not be able to join

the stack automatically for lack of private IP addresses.

1.3.2 Configuring Stack Ports

On the master device, configure ports that connect the master device and the slave

devices as stack ports.

Follow the steps below to configure stack ports:

To do… Use the command… Remarks

Enter system view system-view —

Configure the specified

ports as stack ports

stack stack-port

stack-port-num port

interface-list

Required

By default, a port is not a

stack port.

1.3.3 Creating a Stack

After you execute the stack role master command on a stack-supporting device, the

device becomes the master device of a stack and automatically adds the devices

connected with its stack ports to the stack.

Follow the steps below to create a stack:

To do… Use the command… Remarks

Enter system view system-view —

Create a stack stack role master Required

Note:

After you configure a device as the master device of a stack, the prompt changes to

<stack_0.Sysname>, where Sysname is the system name of the device.

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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1.4 Configuring Stack Ports of a Slave Device

You need to configure stack ports to add a slave device to the stack.

The ports of a slave device that connect the stack devices need to be configured as

stack ports.

Follow the steps below to configure stack ports:

To do… Use the command… Remarks

Enter system view system-view —

Configure the specified

ports as stack ports

stack stack-port

stack-port-num port

interface-list

Required

By default, a port is not a

stack port.

Note:

After a device joins a stack and becomes a slave device of the stack, the prompt

changes to <stack_n.Sysname>, where n is the stack number assigned by the master

device, and Sysname is the system name of the device.

1.5 Switching from the Master Device to a Slave Device

In a stack, you can switch from the master device to the operation interface of a slave

device and perform configurations for the slave device.

Follow the step below to switch from the master device to a slave device:

To do… Use the command… Remarks

Switch from the master

device to the specified

slave device

stack switch-to

member-id Required

Available in user view

Note:

zThe stack switch-to command is used to switch from the master device to a slave

device with the user level unchanged. To switch back, use the quit command.

zBefore the switch, execute the telnet server enable command to enable Telnet.

Otherwise, the switch fails.

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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1.6 Displaying and Maintaining Stack Management

To do… Use the command… Remarks

Display the stack information

of stack members display stack

[ members ]Available in any view

1.7 Stack Management Configuration Example

1.7.1 Stack Management Configuration Example

I. Network requirements

zSwitch A, Switch B, Switch C, and Switch D are connected with one another.

zCreate a stack, where Switch A is the master device, Switch B, Switch C, and

Switch D are slave devices. An administrator can log in to Switch B, Switch C and

Switch D through Switch A to perform remote configurations.

II. Network diagram

GE1/0/1 GE1/0/3

SwitchB: Slave device GE1/0/1GE1/0/1

SwitchC: Slave device SwitchD: Slave device

Stack

GE1/0/1 GE1/0/2

SwitchA: Master device

Figure 1-2 Network diagram for stack management

III. Configuration procedure

1) Configure the master device

# Configure a private IP address pool for the stack on Switch A.

<SwitchA> system-view

[SwitchA] stack ip-pool 192.168.1.1 24

# Configure port GigabitEthernet 1/0/1 as a stack port on Switch A.

[SwitchA] stack stack-port 1 port GigabitEthernet 1/0/1

# Create a stack.

[SwitchA] stack role master

2) Configure the slave devices

Operation Manual – Stack Management

H3C S5500-SI Series Ethernet Switches Chapter 1 Stack Management Configuration

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# On Switch B, configure local ports GigabitEthernet 1/0/2, GigabitEthernet 1/0/1, and

GigabitEthernet 1/0/3 as stack ports.

<SwitchB> system-view

[SwitchB] stack stack-port 3 port GigabitEthernet 1/0/1 GigabitEthernet 1/0/2

GigabitEthernet 1/0/3

# On Switch C, configure local port GigabitEthernet 1/0/1 as a stack port.

<SwitchC> system-view

[SwitchC] stack stack-port 1 port GigabitEthernet 1/0/1

# On Switch D, configure local port GigabitEthernet 1/0/1 as a stack port.

<SwitchD> system-view

[SwitchD] stack stack-port 1 port GigabitEthernet 1/0/1

3) Verify the configuration

# Display stack information of the stack members on SwitchA.

<stack_0.SwitchA> display stack members

Number : 0

Role : Master

Sysname : stack_0.SwitchA

Device type: H3C S5500-28C-SI

MAC address: 000f-e200-1000

Number : 1

Role : Slave

Sysname : stack_1.SwitchB

Device type: H3C S5500-28C-SI

MAC address: 000f-e200-1001

Number : 2

Role : Slave

Sysname : stack_2.SwitchC

Device type: H3C S5500-28C-SI

MAC address: 000f-e200-1002

Number : 3

Role : Slave

Sysname : stack_3.SwitchD

Device type: H3C S5500-28C-SI

MAC address: 000f-e200-1003

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