DHCP Relay Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 32-49
Release History
Release 6.6.1; command was introduced.
MAC Address Verification Per
Switch
Indicates whether or not MAC address verification is performed on
the DHCP packets (Enabled or Disabled). Configured through the
ip helper dhcp-snooping mac-address verification command.
Note that this field only appears when DHCP snooping is enabled
at the switch level.
DHCP Snooping Bypass Opt82-
Check
Indicates whether or not an Option-82 check is performed for
DHCP packets ingressing on untrusted ports (Enabled or Dis-
abled). Configured through the ip helper dhcp-snooping bypass
option-82-check command.
DHCP Snooping Opt 82 Format The type of information (base MAC address for the switch, system
name for the switch, or user-defined text) that is inserted into the
Option-82 field when Option-82 data insertion is enabled for the
switch. Configured through the ip helper dhcp-snooping option-
82 format command.
DHCP Snooping Opt 82 String The user-defined text inserted into the Option-82 field when data
insertion is enabled and a string format for the data is specified.
Configure through the ip helper dhcp-snooping option-82 format
command.
DHCP Binding DB Status Indicates if the DHCP snooping binding table (database) function-
ality is Enabled or Disabled.
Database Sync Timeout The amount of time, in seconds, that the switch waits between each
synchronization of the DHCP snooping binding table with the
dhcpBinding.db file (default is 300 seconds). Configured through
the ip helper dhcp-snooping binding timeout command. Note
that this field does not appear if the binding table functionality is
disabled.
Database Last Sync Time The last time and day the DHCP snooping binding table was syn-
chronized with the dhcpBinding.db file. Note that this field does
not appear if the binding table functionality is disabled.
Binding Persistency Status Indicates whether or not the DHCP snooping binding table retains
entries with MAC addresses that were cleared from the MAC
address table (Enabled or Disabled). Configured through the ip
helper dhcp-snooping binding persistency command.
Bootup Option Indicates whether or not automatic IP address configuration for
default VLAN 1 is done when the switch boots up (Enabled or
Disabled). Configured through the ip helper boot-up command.
Bootup Packet Option Indicates if the Bootup Option broadcasts a DHCP or BOOTP
packet to obtain an IP address for default VLAN 1. Configured
through the ip helper boot-up enable command. Note that this
field does not appear if the Bootup Option is disabled.
Forwarding Addresses IP addresses for DHCP servers that will receive BOOTP/DHCP
packets forwarded by this DHCP Relay service. Use the ip helper
address command to add or remove DHCP server IP addresses
from the DHCP Relay configuration.
output definitions
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