Displays information on a DHCP subnet.
show ip dhcp-server subnet [A.B.C.D/X] [detail]
User EXEC
The show ip dhcp-server subnet [A.B.C.D/X] [detail] command displays the following information:
|
Output field |
Description |
|---|---|
|
SUBNET |
Displays the subnet network address and mask. |
|
IP ADDRESS RANGE |
Displays the starting and ending IP addresses of the address pool. |
|
TOTAL ADDRESSES |
Displays the total number of addresses that the pool allows irrespective of whether those addresses are leased currently. |
|
LEASED ADDRESSES |
Displays the total number of addresses that are leased currently. |
|
Lease-Time |
Displays the lease expiration timer that is configured for the subnet. |
|
TFTP Server IP |
Displays the IP address of the TFTP server that the subnet uses. |
|
TFTP Server Name |
Displays the server name of the TFTP server that the subnet uses. |
|
TFTP Bootfile-Name |
Displays the filename of the boot image file that the subnet uses. |
|
Domain name |
Displays the subnet domain name. |
|
Netbios-name-server |
Displays the NetBIOS name server that the subnet uses. |
|
Netbios-type |
Displays the node type for the NetBIOS name server that the subnet uses. |
|
Router |
Displays the IP address(es) of the subnet router (s). |
|
DNS |
Displays the IP address(es) of the DNS server(s) that the subnet uses. |
|
NTP Server |
Displays the IP address(es) of the NTP server(s) that the subnet uses. |
|
DHCP Custom Option <224-254> |
Displays the subnet data value that is assigned to any DHCP Custom Option(s). Depending on the Custom Option, this value may be an IPv4 address, integer, or string. |
The following example shows output for the show ip dhcp-server subnet command:
Switch:1#show ip dhcp-server subnet
========================================================================================
DHCP Server Subnets Info
========================================================================================
SUBNET IP ADDRESS RANGE TOTAL ADDRESSES LEASED ADDRESSES
----------------------------------------------------------------------------------------
192.0.2.0/24 192.0.2.1 - 192.0.2.254 254 0
198.51.100.0/24 198.51.100.1 - 198.51.100.80 80 2
----------------------------------------------------------------------------------------
Total Number of DHCP Server subnets displayed: 2
----------------------------------------------------------------------------------------
The following example shows output for the show ip dhcp-server subnet detail command:
Switch:1#show ip dhcp-server subnet detail
================================================================================
DHCP Server Subnets Detailed Info
================================================================================
================================================================================
Subnet 192.0.2.0/24
================================================================================
IP Address Range : 192.0.2.1 - 192.0.2.254
Total Addresses : 254
Leased Addresses : 0
Lease-Time : 4000
TFTP Server IP : 0.0.0.0
TFTP Server Name :
TFTP Bootfile-Name :
Domain Name :
Netbios-name-server : 0.0.0.0
Netbios-type : 0x0
Router 1 : 192.0.2.5
DNS 1 : 203.0.113.14
DNS 2 : 203.0.113.15
================================================================================
Subnet 198.51.100.0/24
================================================================================
IP Address Range : 198.51.100.1 - 198.51.100.80
Total Addresses : 80
Leased Addresses : 2
Lease-Time : 4000
TFTP Server IP : 203.0.113.20
TFTP Server Name :
TFTP Bootfile-Name :
Domain Name :
Netbios-name-server : 0.0.0.0
Netbios-type : 0x0
Router 1 : 198.51.100.79
Router 2 : 198.51.100.80
NTP Server 1 : 203.0.113.34
Custom-Option 250 : 203.0.113.23
--------------------------------------------------------------------------------
Total Number of DHCP Server subnets displayed: 2
--------------------------------------------------------------------------------