show ip dhcp-pool

Last Updated : Nov 06, 2012 |

Displays DHCP pool configurations.

Syntax

show ip dhcp-pool [pool-index | all] [detailed]

Parameters

Parameter

Description

Possible Values

Default Value

pool-index

The index of a specific pool

1-32

all

Displays all DHCP pools

detailed

Displays detailed configuration information

User level

read-only

Context

general, dhcp pool

Examples

To display the configuration of the current DHCP pool:
Gxxx-001(DHCP 5)# show ip dhcp-pool
Index           Name
-------       ------------------
5             DHCP pool #5
Mode:                   Inactive
Start IP Address Range: 1.1.1.1
End IP Address Range:   1.1.1.20
Lease Time:             8 days 0 hours 0 minutes 0 seconds
BootFile:               N/A
Next-Server:            N/A
Client-Identifier:      N/A
Server-Name:            N/A
DHCP options
Option Num              1               Name     subnet-maskValue
255.255.255.0
Option Num              3               Name     default-router
Value                   1.1.1.1
Vendor Specific Information
Index                   1               Name     ccp.avaya.com
To display the configuration of DHCP pool 5:
Gxxx-001(super)# show ip dhcp-pool
5 Index           Name
-------       ------------------
5             DHCP pool #5
Mode:                   Inactive
Start IP Address Range: 1.1.1.1
End IP Address Range:   1.1.1.20
Lease Time:             8 days 0 hours 0 minutes 0 seconds
BootFile:               N/A
Next-Server:            N/A
Client-Identifier:      N/A
Server-Name:            N/A
DHCP options
Option Num              1                Name     subnet-mask
Value                   255.255.255.0
Option Num              3                Name     default-router 
Value                   1.1.1.1
Option Num              176              Name     SSON
Value                   This is an example
Vendor Specific Information
Index                   1                Name     ccp.avaya.com
Class-Identifier        (null)
Value                   This is an example too 
To display the names and statuses of all configured DHCP pools:
Gxxx-001(super)# show ip dhcp-pool all
Index   Name                        Mode
------  -------------------------  ------------
5       DHCP pool #5                Inactive
6       DHCP pool #6                Inactive
To display configuration information for all configured DHCP pools:
Gxxx-001(super)# show ip dhcp-pool all detailed
Index           Name
-------       ------------------
5             DHCP pool #5
Mode:                   Inactive
Start IP Address Range: 1.1.1.1
End IP Address Range:   1.1.1.20
Lease Time:             8 days 0 hours 0 minutes 0 seconds
BootFile:               N/A
Next-Server:            N/A
Client-Identifier:      N/A
Server-Name:            N/A
DHCP options
Option Num               1                Name     subnet-mask
Value                    255.255.255.0
Option Num               3                Name     default-router
Value                    1.1.1.1
Option Num               176              Name     SSON
Value                    This is an example
Vendor Specific Information
Index                    1                Name     ccp.avaya.com
Class-Identifier         (null)
Value                    This is an example too
Index           Name
-------       ------------------
6             DHCP pool #6
Mode:                   Inactive
Start IP Address Range: 2.2.2.2
End IP Address Range:   2.2.2.20
Lease Time:             8 days 0 hours 0 minutes 0 seconds
BootFile:               N/A
Next-Server:            N/A
Client-Identifier:      N/A
Server-Name:            N/A
DHCP options
Option Num               1                Name     subnet-mask
Value                    255.255.255.248
Option Num               6                Name     dns-server
Value                    1.1.1.1 2.2.2.2

Output fields

Name

Description

Index

The index number of the DHCP pool

Name

The name of the DHCP pool

Mode

Whether the DHCP pool is active or inactive

Start IP Address Range

The lower bound of the DHCP pool

End IP Address Range

The upper bound of the DHCP pool

Lease Time

The length of time for which an IP address allocated from the pool, belongs to a DHCP client

Bootfile

For BOOTP clients – the file to be downloaded by the client after the DHCP transaction ends

Next-Server

The IP address of the Server to be accessed by the DHCP client after the DHCP transaction ends

Client-Identifier

Used for static (manual) pools only, where permanent IP address allocation is done according to the configured client identifier

Server-Name

The optional server host name

DHCP options

The DHCP options configured for the pool. For each option, the following is displayed:

Option Num — the DHCP option number

Name — the name of the option

Value — the value that the DHCP client receives

Vendor Specific Information

The DHCP options unique to an individual vendor class. These options differ according to the different vendors.