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42 Brocade 6910 Ethernet Access Switch MIB Reference
53-1002582-01
Dynamic Host Configuration Protocol
Dynamic ARP Inspection Interface configuration table
Dynamic Host Configuration Protocol
Dynamic Host Configuration Protocol (DHCP) snooping enables the device to filter untrusted DHCP
packets in a subnet. DHCP snooping can prevent man-in-the-middle (MiM) attacks, such as a
malicious user who is posing as a DHCP server and is sending false DHCP server reply packets with
the intention of misdirecting other users. It can also stop unauthorized DHCP servers and prevent
errors due to misconfiguration of DHCP servers.
SNMP DHCP snooping MIB objects describes how to configure the DHCP snooping feature using
SNMP. It consists of the following:
• fdryDhcpSnoopGlobalClearOper: A scalar used to clear all entries in the DHCP binding
database
• fdryDhcpSnoopVlanConfigTable: A table that provides the mechanism to control DHCP
snooping per VLAN. When a VLAN is created on a device that supports this table, a
corresponding entry of this table will be added.
• fdryDhcpSnoopIfConfigTable: A table that provides the mechanism to configure the trust state
for DHCP snooping at each physical interface.
• fdryDhcpSnoopBindTable: A table that provides the information for DHCP snooping binding
database learned by the device. The DHCP binding database is integrated with the enhanced
ARP table. It contains the information of a DHCP entry, such as IP address, MAC address, type,
state, port, VLAN ID, and lease time. (To be provided at a later date.)
Name, Identifier, and Syntax Access Description
fdryDaiIfConfigTable
brcdIp.1.1.3.35.2.1
N/A This table allows you to configure the trust state for
Dynamic ARP Inspection at each physical interface.
fdryDaiIfConfigEntry
brcdIp.1.1.3.35.2.1.1
N/A A row in the fdryDaiConfigTable. Each row contains the
configuration to enable or disable the trust state for
Dynamic ARP Inspection at each physical interface
capable of this feature.
fdryDaiIfTrustValue
brcdIp.1.1.3.35.2.1.1.1
Syntax: TruthValue
Read-write This object indicates whether the interface is trusted
for Dynamic ARP Inspection.
If this object is set to 'true', the interface is trusted. ARP
packets coming to this interface will be forwarded
without being checked.
If this object is set to “false”, the interface is not
trusted. ARP packets received on this interface will be
subjected to ARP inspection.