A3COM-HUAWEI-DHCPSNOOP-MIB
The A3COM-HUALEI-DHCPSNOOP-MIB monitors DHCP Snooping security profiles and session states on A3Com and Huawei network switches, exposing metrics such as trusted/untrusted port configurations, binding table entries, and DHCP message filtering statistics to prevent rogue server attacks and IP address spoofing.
Imported Objects
Objects
23 total| Object Name |
|---|
h3cDhcpSnoopThe private mib file includes the DHCP Snooping profile. MODULE-IDENTITY .1.3.6.1.4.1.2011.10.2.36 |
h3cDhcpSnoopMibObject OBJECT IDENTIFIER .1.3.6.1.4.1.2011.10.2.36.1 |
h3cDhcpSnoopEnableDHCP Snooping status (enable or disable).rw Enumeration .1.3.6.1.4.1.2011.10.2.36.1.1 |
h3cDhcpSnoopTableThe table containing information of DHCP clients listened by
DHCP snooping and it's enabled or disabled by setting
h3cDhcpSnoopEnable node. SEQUENCE OF H3cDhcpSnoopEntry .1.3.6.1.4.1.2011.10.2.36.1.2 |
h3cDhcpSnoopEntryAn entry containing information of DHCP clients. H3cDhcpSnoopEntry .1.3.6.1.4.1.2011.10.2.36.1.2.1 |
h3cDhcpSnoopClientIpAddressTypeDHCP clients' IP addresses type (IPv4 or IPv6). InetAddressType (INET-ADDRESS-MIB) .1.3.6.1.4.1.2011.10.2.36.1.2.1.1 |
h3cDhcpSnoopClientIpAddressDHCP clients' IP addresses collected by DHCP snooping. InetAddress (INET-ADDRESS-MIB) .1.3.6.1.4.1.2011.10.2.36.1.2.1.2 |
h3cDhcpSnoopClientMacAddressDHCP clients' MAC addresses collected by DHCP snooping.ro MacAddress (SNMPv2-TC) .1.3.6.1.4.1.2011.10.2.36.1.2.1.3 |
h3cDhcpSnoopClientPropertyMethod of getting IP addresses collected by DHCP snooping.ro Enumeration .1.3.6.1.4.1.2011.10.2.36.1.2.1.4 |
h3cDhcpSnoopClientUnitNumIRF (Intelligent Resilient Fabric) unit number via whom the clients
get their IP addresses. The value 0 means this device does not support IRF.ro INTEGER .1.3.6.1.4.1.2011.10.2.36.1.2.1.5 |
h3cDhcpSnoopTrustTableA table is used to configure and monitor port trusted status. SEQUENCE OF H3cDhcpSnoopTrustEntry .1.3.6.1.4.1.2011.10.2.36.1.3 |
h3cDhcpSnoopTrustEntryAn entry containing information about trusted status of ports. H3cDhcpSnoopTrustEntry .1.3.6.1.4.1.2011.10.2.36.1.3.1 |
h3cDhcpSnoopTrustStatusTrusted status of current port which supports both get and
set operation.rw Enumeration .1.3.6.1.4.1.2011.10.2.36.1.3.1.1 |
h3cDhcpSnoopVlanTableA table is used to configure and monitor DHCP Snooping
status of VLANs. SEQUENCE OF H3cDhcpSnoopVlanEntry .1.3.6.1.4.1.2011.10.2.36.1.4 |
h3cDhcpSnoopVlanEntryThe entry information about h3cDhcpSnoopVlanTable. H3cDhcpSnoopVlanEntry .1.3.6.1.4.1.2011.10.2.36.1.4.1 |
h3cDhcpSnoopVlanIndexCurrent VLAN index. Integer32 .1.3.6.1.4.1.2011.10.2.36.1.4.1.1 |
h3cDhcpSnoopVlanEnableDHCP Snooping status of current VLAN.rw TruthValue (SNMPv2-TC) .1.3.6.1.4.1.2011.10.2.36.1.4.1.2 |
h3cDhcpSnoopTraps OBJECT IDENTIFIER .1.3.6.1.4.1.2011.10.2.36.2 |
h3cDhcpSnoopTrapsPrefix OBJECT IDENTIFIER .1.3.6.1.4.1.2011.10.2.36.2.0 |
h3cDhcpSnoopSpoofServerDetectedTo detect unauthorized DHCP servers on a network, the DHCP snooping
device sends DHCP-DISCOVER messages through its downstream port
(which is connected to the DHCP clients).
If any response (DHCP-OFFER message) is received from the downstream port,
an unauthorized DHCP server is considered present, and then the device
sends a trap.
With unauthorized DHCP server detection enabled, the interface sends a
DHCP-DISCOVER message to detect unauthorized DHCP servers on the network.
If this interface receives a DHCP-OFFER message, the DHCP server which
sent it is considered unauthorized. NOTIFICATION-TYPE .1.3.6.1.4.1.2011.10.2.36.2.0.1 |
h3cDhcpSnoopTrapsObject OBJECT IDENTIFIER .1.3.6.1.4.1.2011.10.2.36.2.1 |
h3cDhcpSnoopSpoofServerMacMAC address of the spoofing server and it is derived from
link-layer header of offer packet. If the offer packet is relayed
by dhcp relay entity, it may be the MAC address of relay entity.ro MacAddress (SNMPv2-TC) .1.3.6.1.4.1.2011.10.2.36.2.1.1 |
h3cDhcpSnoopSpoofServerIPIP address of the spoofing server and it is derived from
IP header of offer packet. A tricksy host may send offer packet use
other host's address, so this address can not always be trust.ro IpAddress .1.3.6.1.4.1.2011.10.2.36.2.1.2 |
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