ZyXEL Communications MSC1024G Series User Manual page 584

Chapter 21 acl Commands
Table 306 acl Commands (continued)
COMMAND
dhcpsnoop
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relaymode <vid>
[auto|both]
optionmode <vid>
private|tr101
[vid on|off]
server active <vid>
<1|2>
set <vid>
<serverip1>
[serverip2]
delete <vid>
[serverip]
set <vid>
show
suboption2 enable <vid>
disable <vid>
set <vid> <info>
disable <slot-port>
DESCRIPTION
Sets which DHCP relay mode the
system uses for the specified
VLAN.
: send the requests to the
auto
active DHCP server first. If the
active DHCP server does not
respond, the switch sends the
DHCP request to the backup
DHCP server.
both : send the requests to both
the active and backup DHCP
servers.
Selects the method (Private or
TR-101) in which DHCP relay
information is sent and whether or
not the VLAN ID is transmitted
within the packet on the specified
VLAN. The vid on|off option
applies to the TR-101 mode only.
Sets the active DHCP server to
which the DHCP requests are
sent first.
1: Sets the first DHCP server as
the active server.
2 : Sets the second DHCP server
as the active server.
Sets an entry for forwarding
DHCP requests to the DHCP
servers.
serverip1,serverip2: The IP
addresses of the DHCP servers.
Removes an entry for forwarding
DHCP requests to the DHCP
server.
serverip: The IP address of the
DHCP server.
Creates an option 82 entry for the
VLAN.
Displays DHCP relay and option
82 settings.
Turns on option 82 sub-option 2.
Turns off option 82 sub-option 2.
Adds the specified information for
sub-option 2.
info: The option 82 information
set using the DHCPrelay82
info command.
Deactivates DHCP snooping on
the specified subscriber port(s).
MSC1000G/1024G/1224G Series User's Guide
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