ZyXEL Communications OLT2406 - Page 553

Chapter 77 IP Source Guard
OLT2406 User’s Guide
553
Note: You must set up a management IP address for each VLAN that you want to configure
DHCP settings for on the OLT.
Table 283 DHCP Snooping Commands
COMMAND DESCRIPTION M P
show dhcp snooping
Displays DHCP snooping configuration on the
OLT.
E3
show dhcp snooping binding
Displays the DHCP binding table. E 3
show dhcp snooping database
Displays DHCP snooping database update
statistics and settings.
E3
show dhcp snooping database detail
Displays DHCP snooping database update
statistics in full detail form.
E3
dhcp snooping
Enables DHCP Snooping on the OLT. C 13
no dhcp snooping
Disables DHCP Snooping on the OLT. C 13
dhcp snooping database <tftp://
host/filename>
Specifies the location of the DHCP snooping
database. The location should be expressed like
this: tftp://{domain name or IP address}/
directory, if applicable/file name; for example,
tftp://192.168.10.1/database.txt.
C13
no dhcp snooping database
Removes the location of the DHCP snooping
database.
C13
dhcp snooping database timeout <10-
65535seconds>
Specifies how long (10-65535 seconds) the OLT
tries to complete a specific update in the DHCP
snooping database before it gives up.
C13
no dhcp snooping database timeout
Resets how long the OLT tries to complete a
specific update in the DHCP snooping
database before it gives up to the default value
(300).
C13
dhcp snooping database write-delay
<10-65535 seconds>
Specifies how long (10-65535 seconds) the OLT
waits to update the DHCP snooping database
the first time the current bindings change after
an update.
C13
no dhcp snooping database write-
delay
Resets how long the OLT waits to update the
DHCP snooping database the first time the
current bindings change after an update to the
default value (300).
C13
dhcp snooping vlan <vlan-list>
Specifies the VLAN IDs for VLANs you want to
enable DHCP snooping on.
C13
no dhcp snooping vlan <vlan-list>
Specifies the VLAN IDs for VLANs you want to
disable DHCP snooping on.
C13
dhcp snooping vlan <vlan-list>
information
Sets the OLT to add the system name to DHCP
requests that it broadcasts to the DHCP VLAN, if
specified, or VLAN.
C13
no dhcp snooping vlan <vlan-list>
information
Sets the OLT to not add the system name to
DHCP requests that it broadcasts to the DHCP
VLAN, if specified, or VLAN.
C13
dhcp snooping vlan <vlan-list>
option
Sets the OLT to add the slot number, port
number and VLAN ID to DHCP requests that it
broadcasts to the DHCP VLAN, if specified, or
VLAN.
C13
no dhcp snooping vlan <vlan-list>
option
Sets the OLT to not add the slot number, port
number and VLAN ID to DHCP requests that it
broadcasts to the DHCP VLAN, if specified, or
VLAN.
C13