ZyXEL Communications OLT2406, User Manual

Page: 553 / 766

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. E 3
show dhcp snooping binding
Displays the DHCP binding table. E 3
show dhcp snooping database
Displays DHCP snooping database update
statistics and settings. E 3
show dhcp snooping database detail
Displays DHCP snooping database update
statistics in full detail form. E 3
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. C 13
no dhcp snooping database
Removes the location of the DHCP snooping
database. C 13
dhcp snooping database timeout <10-
65535 seconds >
Specifies how long (10-65535 seconds) the OLT
tries to complete a specific update in the DHCP
snooping database before it gives up. C 13
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). C 13
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. C 13
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). C 13
dhcp snooping vlan < vlan-list >
Specifies the VLAN IDs for VLANs you want to
enable DHCP snooping on. C 13
no dhcp snooping vlan < vlan-list >
Specifies the VLAN IDs for VLANs you want to
disable DHCP snooping on. C 13
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. C 13
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. C 13
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. C 13
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. C 13