Displaying DHCP server information

The following DHCP show commands can be entered from any level of the CLI.

Use one of the commands to view DHCP server information. The commands do not need to be entered in the specified order.

Display a specific active lease, or all active leases.

device# show ip dhcp-server binding
Bindings from all pools:
IP Address Client-ID/ Lease expiration Type
Hardware address
192.168.1.2 0000.005d.a440 0d:0h:29m:31s Automatic
192.168.1.3 0000.00e1.26c0 0d:0h:29m:38s Automatic

Display information about a specific address pool or all address pools.

device# show ip dhcp-server address-pools
Showing all address pool(s):

                       Pool Name:  dhcp
    Time elapsed since last save:  00d:00h:00m:00s
   Total number of active leases:  0
              Address Pool State:  pending

         Pool Configured Options:
                           lease:  1 0 0
                         network:  10.10.10.0 255.255.255.0
option   3 (Default-Router     ):  ip 10.10.10.1
option   6 (Domain Server      ):  ip 192.168.1.100
option  15 (Domain Name        ):  ascii example.com
option  44 (NETBIOS Name Srv   ):  ip 192.168.1.101
option  60 (Vendor Class Id    ):  hex 00
option  67 (Bootfile-Name      ):  ascii example.bin
option 150 (TFTP Server Addr   ):  ip 192.168.1.103
option 176 (IP Tele-VoiceSrvr  ):  MCIPADD=10.10.10.1,MCPORT=5,HTTPSRVR=20.20.20.1,L2QAUD=5,
option 242 (IP Tele-DataSrvr   ):  MCIPADD=10.10.10.1,

Display the lease binding database that is stored in flash memory.

device# show ip dhcp-server flash
Address Pool Binding:
IP Address Client-ID/ Lease expiration Type
Hardware address
192.168.1.2 0000.005d.a440 0d:0h:18m:59s Automatic
192.168.1.3 0000.00e1.26c0 0d:0h:19m:8s Automatic

Display information about active leases, deployed address pools, undeployed address pools, and server uptime.

device# show ip dhcp-server summary
DHCP Server Summary:
Total number of active leases: 2
Total number of deployed address-pools: 1
Total number of undeployed address-pools: 0
Server uptime: 0d:0h:8m:27s

Display DHCP configuration information on a Layer 2 device.

device(config)# show ip
Switch IP address: 10.44.16.116
Subnet mask: 255.255.255.0
Default router address: 10.44.16.1
TFTP server address: 10.44.16.41
Configuration filename: foundry.cfg
Image filename: None

Display IP address information for a Layer 2 device.

device(config)# show ip address
IP Address Type Lease Time Interface
10.44.16.116 Dynamic 174 0/1/1

Display IP address information for a Layer 3 device.

device(config)# show ip address
IP Address Type Lease Time Interface
10.44.3.233 Dynamic 672651 0/1/2
10.0.0.1 Static N/A 0/1/15

Display the Layer 2 device configuration using the show run command.

device(config)# show run
Current configuration:
!
ver 08.0.40
!
module 1 icx-24-port-base-module
!
!ip dns domain-list englab.ruckuswireless.com
ip dns domain-list companynet.com
ip dns server-address 10.31.2.10
ip route 0.0.0.0/0 10.25.224.1
!ipv6 raguard policy p1
!ipv6 dns server-address 200::1 8000::60 7000::61
!!
end

Display the Layer 3 device configuration using the show run command.

device(config)# show run
Current configuration:
!
ver 08.0.40
!
module 1 icx7650-20-qxg-port-management-module
module 2 icx7650-qsfp-6port-qsfp-240g-module
!
vlan 1 name DEFAULT-VLAN by port
!
ip dns server-address 10.44.3.111
interface ethernet 0/1/2
ip address 10.44.3.233 255.255.255.0 dynamic
ip dhcp-client lease 691109
interface ethernet 0/1/15
ip address 10.0.0.1 255.0.0.0
ip helper-address 1 10.44.3.111
!
end