Alcatel OmniStack LS 6248 - DHCP Snooping, IP Source Guard and ARP Inspection Commands

DHCP Snooping, IP Source Guard and ARP Inspection Commands
631
4
DHCP Snooping, IP Source Guard and ARP Inspec-
tion Commands
.
Table 4-34. DHCP Snooping, IP Source Guard and ARP Inspection Commands
Command Function Mode Page
DHCP Snooping
ip dhcp snooping Use the ip dhcp snooping global configuration command to
globally enable DHCP snooping.
GC 4-632
ip dhcp snooping
vlan
Use the ip dhcp snooping vlan global configuration command to
enable DHCP snooping on a VLAN.
GC 4-633
ip dhcp snooping
trust
Use the ip dhcp snooping trust interface configuration command
to configure a port as trusted for DHCP snooping purposes.
IC 4-634
ip dhcp information
option
allowed-untrusted
Use the ip dhcp information option allowed-untrusted global
configuration command on a switch to configure it to accept DHCP
packets with option-82 information from an untrusted port.
GC 4-634
ip dhcp information
option
Use the ip dhcp information option global configuration command
to enable DHCP option-82 data insertion.
GC 4-635
ip dhcp snooping
verify
Use the ip dhcp snooping verify global configuration command to
configure the switch to verify on an untrusted port that the source
MAC address in a DHCP packet matches the client hardware
address.
GC 4-635
ip dhcp snooping
database
Use the ip dhcp snooping database global configuration
command to configure the DHCP snooping binding file.
GC 4-636
ip dhcp snooping
database
update-freq
Use the ip dhcp snooping database update-freq global
configuration command to configure the update frequency ofthe
DHCP snooping binding file.
GC 4-636
ip dhcp snooping
binding
Use the ip dhcp snooping binding privileged EXEC command to
configure the DHCP snooping binding database and to add
binding entries to the database.
PE 4-637
clear ip dhcp
snooping database
Use the clear ip dhcp snooping database privileged EXEC
command to clear the DHCP binding database.
PE 4-638
show ip dhcp
snooping
Use the show ip dhcp snooping EXEC command to display the
DHCP snooping configuration.
UE 4-638
show ip dhcp
snooping binding
Use the show ip dhcp snooping binding user EXEC command to
display the DHCP snooping binding database and configuration
information for all interfaces on a switch.
UE 4-639
IP Source Guard
ip source-guard
(global)
Use the ip source-guard global configuration command to globally
enable IP source guard.
GC 4-640
ip source-guard
(interface)
Use the ip source-guard interface configuration command to
enable IP source guard on an interface.
ICE 4-640
ip source-guard
binding
Use the ip source-guard binding global configuration command to
configure static IP source bindings on the switch.
GC 4-641