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Use the undo dhcp relay server-group command to remove a DHCP server
from a DHCP server group, if no ip ip-address is specified, all servers in the DHCP
server group and the server group itself will be removed.
By default, no DHCP server is specified for a DHCP server group.
Note that:
■ The IP address of any DHCP server and any interface’s IP address of the DHCP
relay agent cannot be in the same network segment. Otherwise, the client may
fail to obtain an IP address.
■ If a server group has been correlated to multiple interfaces, you need to cancel
these correlations before removing the server group.
Related command: display dhcp relay server-group.
Example # Specify DHCP server 1.1.1.1 for DHCP server group 1 on the relay agent.
<Sysname> system-view
[Sysname] dhcp relay server-group 1 ip 1.1.1.1
dhcp relay server-select
Syntax dhcp relay server-select group-id
undo dhcp relay server-select
View Interface view
Parameter group-id: Specifies a DHCP group number to be correlated, in the range of 0 to
19. The specified group must be an existing group containing at least a DHCP
server.
Description Use the
dhcp relay server-select command to correlate specified interface(s) to
a specified DHCP server group.
Use the
undo dhcp relay server-select command to remove a configured
correlation.
By default, no DHCP server group is correlated with an interface on the relay
agent.
Note that an interface on the relay agent can only be correlated to one DHCP
server group, and a newly configured correlation overwrites the previous one. If
the server group in the new correlation does not exist, the new configuration will
not work. The interface still maintains the previous correlation.
Example # Correlate the interface Ethernet1/0 to the DHCP server group 1.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] dhcp relay server-select 1