15-Stack Management Commands
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display stack [ members ]
View
Any view
Default Level
1: Monitor level
Parameters
members: Displays stack information of the stack members, including the master device and the slave devices. This keyword is only available to the master device of a stack.
Description
Use the display stack command to display the stack information.
Examples
# Display stack information on the master device.
<stack_0.Sysname> display stack
Role: Master
Management VLAN: 1
IP pool: 1.1.1.1/24
Device total number: 3
# Display stack information on a slave device.
<stack_1.Sysname> display stack
Role: Slave
Management VLAN: 1
IP pool: 1.1.1.1/24
Master MAC address: 000f-e200-1000
Table 1-1 display stack command output description
Field |
Description |
Role |
Role of the device in the stack. l Master indicates that the device is the master device of the stack. l Slave indicates that the device is a slave device of the stack. |
Management VLAN |
ID of the management VLAN, where interactive packets of the stack are transmitted to implement the internal communication between the master device and the slave devices. |
IP pool |
Range of the private IP addresses used by the stack |
Device total number |
Total number of the devices in the stack, which is displayed on the master device only. |
Master MAC address |
MAC address of the master device, which is displayed on a slave device only. |
# Display stack information of all the stack members on the master.
<stack_0.Sysname> display stack members
Number: 0
Role: Master
Sysname: stack_0.Sysname
Device type: S5810-50S
MAC Address: 000f-e200-1000
Number: 1
Role: Slave
Sysname: stack_1.Sysname
Device type: S5810-50S
MAC Address: 000f-e200-2000
Table 1-2 display stack members command output description
Field |
Description |
Number |
Sequence number of the device in the stack. l Value 0 indicates that the device is the master device of the stack. l A value other than 0 indicates that the device is a slave device and the value is the sequence number of the slave device in the stack. |
Role |
Role of the device in the stack. l Master indicates that the device is the master device of the stack. l Slave indicates that the device is a slave device of the stack. |
Sysname |
Host name of the device |
MAC Address |
MAC address of the device |
Syntax
stack ip-pool ip-address { mask | mask-length }
undo stack ip-pool
View
System view
Default Level
2: System level
Parameters
ip-address: Start IP address of the stack IP address pool.
mask: IP address mask, in dotted decimal notation. The system ANDs the mask with the specified IP address to get a network segment address, which will be the private IP address pool providing IP addresses for the slave devices.
mask-length: IP address mask length, based on which a network segment address is calculated, which will be the private IP address pool providing IP addresses for the slave devices.
Description
Use the stack ip-pool command to configure a private IP address pool for a stack.
Use the undo stack ip-pool command to remove the configured private IP address pool.
By default, no private IP address pool is configured for a stack.
Before creating a stack, you need to configure a private IP address pool for the stack, so that when a slave device joins the stack, the master device can assign an available IP address to it automatically.
Examples
# Configure a private IP address pool containing IP addresses from 192.168.1.1 to 192.168.1.255 for a stack.
<Sysname> system-view
[Sysname] stack ip-pool 192.168.1.1 24
Syntax
stack role master
undo stack role master
View
System view
Default Level
2: System level
Parameters
None
Description
Use the stack role master command to create a stack.
Use the undo stack role master command to remove 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.
Note that you can remove a stack only on the master device of the stack.
Examples
# Create a stack.
<Sysname> system-view
[Sysname] stack role master
[stack_0.Sysname]
Syntax
stack stack-port stack-port-num port interface-list
undo stack stack-port stack-port-num port interface-list
View
System view
Default Level
2: System level
Parameters
stack-port-num: Number of stack ports to be configured, in the range 1 to 77.
interface-list: List of Ethernet ports to be configured as stack ports. You can specify multiple Ethernet ports by providing this argument in the format of interface-list = { interface-type interface-number }&<1-n>, where interface-type is the interface type, interface-number is the interface number, and &<1-n> indicates that you can specify up to n ports or port lists. The value of n equals that of stack-port-num.
Description
Use the stack stack-port command to configure the specified ports as stack ports.
Use the undo stack stack-port command to remove the configuration.
By default, a port is not a stack port.
Examples
# Configure GigabitEthernet 1/0/1 as a stack port.
<Sysname> system-view
[Sysname] stack stack-port 1 gigabitethernet 1/0/1
Syntax
stack switch-to member-id
View
User view
Default Level
2: System level
Parameters
member-id: ID of the slave device which you want to switch to, in the range 1 to 8.
Description
Use the stack switch-to command to switch from the master device to a slave device to perform configurations.
This 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.
Examples
# Switch from the master device to slave device 1.
<stack_0.Sysname> stack switch-to 1
<stack_1.Sysname>