48
Default
No IP addresses are excluded from dynamic allocation globally.
Views
System view
Predefined user roles
network-admin
Parameters
start-ip-address: Specifies the start IP address.
end-ip-address: Specifies the end IP address, which cannot be lower than the start-ip-address. If you
do not specify this argument, only the start-ip-address is excluded from dynamic allocation.
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a
case-sensitive string of 1 to 31 characters. If the excluded IP addresses belong to the public network,
do not specify this option.
Usage guidelines
The IP addresses of some devices such as the gateway and FTP server cannot be assigned to
clients. Use this command to exclude such addresses from dynamic allocation.
If the excluded IP address is in a static DHCP binding, the address can still be assigned to the client.
The address or address range specified in the undo dhcp server forbidden-ip command must be
the same as that specified in the dhcp server forbidden-ip command. To remove an IP address
from the specified address range, you must remove the entire address range.
You can execute this command multiple times to exclude multiple IP address ranges from dynamic
allocation.
Examples
# Exclude the IP addresses of 10.110.1.1 through 10.110.1.63 from dynamic allocation globally.
<Sysname> system-view
[Sysname] dhcp server forbidden-ip 10.110.1.1 10.110.1.63
Related commands
forbidden-ip
static-bind
dhcp server ip-pool
Use dhcp server ip-pool to create a DHCP address pool and enter its view, or enter the view of an
existing DHCP address pool.
Use undo dhcp server ip-pool to delete the specified DHCP address pool.
Syntax
dhcp server ip-pool pool-name
undo dhcp server ip-pool pool-name
Default
No DHCP address pools exist.
Views
System view
To Next Page
Loading...
