48
Displaying and maintaining the DHCP server
IMPORTANT:
A restart of the DHCP server or execution of the
reset dhcp server ip-in-use
command deletes all lease
information. The DHCP server denies any DHCP request for lease extension, and the client must request an
IP address again.
Execute
display
commands in any view and
reset
commands in user view.
Task Command
Display information about IP address conflicts.
display dhcp server conflict
[
ip
ip-address
]
Display information about lease-expired IP
addresses.
display dhcp server expired
[
ip
ip-address
|
pool
pool-name
]
Display information about assignable IP
addresses.
display dhcp server free-ip
[
pool
pool-name
]
Display information about assigned IP
addresses.
display dhcp server ip-in-use
[
ip
ip-address
|
pool
pool-name
]
Display DHCP server statistics.
display dhcp server statistics
[
pool
pool-name
]
Display information about DHCP address
pools.
display dhcp server pool
[
pool-name
]
Clear information about IP address conflicts.
reset dhcp server conflict
[
ip
ip-address
]
Clear information about lease-expired IP
addresses.
reset dhcp server expired
[
ip
ip-address
|
pool
pool-name
]
Clear information about assigned IP
addresses.
reset dhcp server ip-in-use
[
ip
ip-address
|
pool
pool-name
]
Clear DHCP server statistics.
reset dhcp server statistics
DHCP server configuration examples
DHCP networking involves two types:
•
The DHCP server and clients reside on the same subnet.
•
The DHCP server and clients are not on the same subnet and communicate with each other through
a DHCP relay agent.
The DHCP server configuration for the two types is identical.
Static IP address assignment configuration example
Network requirements
As shown in
, Router A (DHCP server) assigns a static IP address, DNS server address, and
gateway address to Router B (DHCP client) and Router C (BOOTP client).
The client ID of the interface Ethernet 1/1 on Router B is:
Summary of Contents for MSR 2600 Series
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