Dhcp Snooping, Ip Source Guard And Arp Inspection Commands - Alcatel OmniStack LS 6248 User Manual

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

DHCP Snooping, IP Source Guard and ARP Inspection Commands

4
Mode Page
GC 4-632
GC 4-633
IC 4-634
GC 4-634
GC 4-635
GC 4-635
GC 4-636
GC 4-636
PE 4-637
PE 4-638
UE 4-638
UE 4-639
GC 4-640
ICE 4-640
GC 4-641
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