R21xx-HP FlexFabric 11900 Layer 3 IP Services Command Reference

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Usage guidelines
The lease duration of IP addresses obtained by BOOTP clients is unlimited. For scenarios that do not
allow unlimited leases, you can configure the DHCP server to ignore BOOTP requests.
Examples
# Configure the DHCP server to ignore BOOTP requests.
<Sysname> system-view
[Sysname] dhcp server bootp ignore
dhcp server bootp reply-rfc-1048
Use dhcp server bootp reply-rfc-1048 to enable the DHCP server to send BOOTP responses in RFC 1048
format when it receives BOOTP requests incompliant with RFC 1048.
Use undo dhcp server bootp reply-rfc-1048 to disable this function.
Syntax
dhcp server bootp reply-rfc-1048
undo dhcp server bootp reply-rfc-1048
Default
This function is disabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
The format of the Vend field in the requests sent by some BOOTP clients is not compatible with RFC 1048.
By default, the DHCP server does not process the Vend field of these packets but copies the field into the
responses.
Use this command to enable the DHCP server to fill in the Vend field using the RFC 1048-compliant
format in DHCP responses to RFC 1048-incompliant requests sent by BOOTP clients that request statically
bound addresses.
Examples
# Enable the DHCP server to send BOOTP responses in RFC 1048 format upon receiving BOOTP
requests incompliant with RFC 1048.
<Sysname> system-view
[Sysname] dhcp server bootp reply-rfc-1048
dhcp server forbidden-ip
Use dhcp server forbidden-ip to exclude specific IP addresses from dynamic allocation.
Use undo dhcp server forbidden-ip to remove the configuration.
Syntax
dhcp server forbidden-ip start-ip-address [ end-ip-address ]
undo dhcp server forbidden-ip start-ip-address [ end-ip-address ]