HH3C-SUBNET-VLAN-MIB

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Organization: Hangzhou H3C Tech. Co., Ltd.

Last Updated: 2005-08-02

Category: Technology: Switching/L2, Technology: VLAN, VLAN and Bridging, Vendor: H3C/HH3C

Description: HH3C MIB for subnet-based VLAN assignment mapping IP subnets to VLANs on H3C switches.

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What Is HH3C-SUBNET-VLAN-MIB?

HH3C-SUBNET-VLAN-MIB manages subnet-based VLAN assignment on H3C switches, a feature that maps traffic to a VLAN based on the source IP subnet rather than switch port. It exposes per-VLAN subnet binding tables, including subnet index, IP address/netmask values, and counts of subnets configured per VLAN and per port. Its monitoring focus is configuration correctness and capacity: tracking counts like hh3cSubnetNumPerVlan and hh3cSubnetNumPerPort against configured limits helps detect when a VLAN or port is approaching its subnet-mapping capacity, and verifying subnet-to-VLAN bindings match design prevents traffic misclassification. It extends the standard Q-BRIDGE-MIB VLAN model with an IP-subnet-based classification mechanism specific to H3C. It is deployed on H3C Layer 3 switches in networks that segment traffic by IP subnet rather than by physical port or 802.1Q tag alone. Engineers can download the HH3C-SUBNET-VLAN-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in HH3C-SUBNET-VLAN-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

H3C Layer 3 switch

Monitoring Examples

An administrator would poll hh3cSubnetVlanTable entries for a given hh3cSubnetVlanVlanId to check the bound hh3cSubnetVlanIpAddressValue and hh3cSubnetVlanNetMaskValue, confirming a subnet is correctly mapped to its intended VLAN. Watching hh3cSubnetNumPerVlan or hh3cSubnetNumPerPort climb toward configured maximums (hh3cSubnetNumAllVlan/hh3cSubnetNumAllPort) would warn that a VLAN or port is nearing its subnet-binding capacity before new subnet mappings start failing.

What Can Be Monitored

subnet-to-VLAN binding
subnets configured per VLAN
subnets configured per port
subnet row status

Imported Objects

From HH3C-OID-MIB

hh3cCommon

OBJECT-IDENTITY

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
hh3cSubnetVlan	1.3.6.1.4.1.25506.2.61			This MIB contains the objects for managing the subnet-based vlan configurations.
hh3cSubnetVlanObjects	1.3.6.1.4.1.25506.2.61.1
hh3cSubnetVlanScalarObjects	1.3.6.1.4.1.25506.2.61.1.1
I32 hh3cSubnetNumAllVlan	1.3.6.1.4.1.25506.2.61.1.1.1	Integer32	read-only	The maximum number of subnet that can be configured on all vlans.
I32 hh3cSubnetNumPerVlan	1.3.6.1.4.1.25506.2.61.1.1.2	Integer32	read-only	The maximum number of subnet that can be configured on each vlan.
I32 hh3cSubnetNumAllPort	1.3.6.1.4.1.25506.2.61.1.1.3	Integer32	read-only	The maximum number of subnet that can be applied to all ports.
I32 hh3cSubnetNumPerPort	1.3.6.1.4.1.25506.2.61.1.1.4	Integer32	read-only	The maximum number of subnet that can be applied to each port.
hh3cSubnetVlanTable	1.3.6.1.4.1.25506.2.61.1.2		not-accessible	Subnet-based vlan configuration table.
hh3cSubnetVlanEntry	1.3.6.1.4.1.25506.2.61.1.2.1		not-accessible	Subnet-based vlan configuration entry.
I32 hh3cSubnetVlanVlanId	1.3.6.1.4.1.25506.2.61.1.2.1.1	Integer32	not-accessible	Vlan id.
I32 hh3cSubnetVlanSubnetIndex	1.3.6.1.4.1.25506.2.61.1.2.1.2	Integer32	not-accessible	The subnet index value of a row in this table is from zero to the value of hh3cSubnetNumPerVlan subtracting one.
IPt hh3cSubnetVlanVlanIpAddressType	1.3.6.1.4.1.25506.2.61.1.2.1.3	InetAddressType	read-create	There are two kinds of ip address supported by vlan. One is ipv4, which is 32 bits. The other is ipv6, which is 128 bits.
IP hh3cSubnetVlanIpAddressValue	1.3.6.1.4.1.25506.2.61.1.2.1.4	InetAddress	read-create	The ip address of the configured subnet on vlan, including ipv4 and ipv6.
IP hh3cSubnetVlanNetMaskValue	1.3.6.1.4.1.25506.2.61.1.2.1.5	InetAddress	read-create	The net mask of the configured subnet on vlan, including ipv4 and ipv6.
ROW hh3cSubnetVlanRowStatus	1.3.6.1.4.1.25506.2.61.1.2.1.6	RowStatus	read-create	The row status of this table.
hh3cSubnetVlanPortCreateTable	1.3.6.1.4.1.25506.2.61.1.3		not-accessible	Subnet-based vlan port table. Add all subnet on vlan whose vlan id is hh3cSubnetVlanPortInfoVlanId into port at a draught. All of the subnet information in this port is from the hh3cSubnetVlanTable above, with the value of hh3cSubnetVlanPortInfoVlanId as an index, which is hh3cSubnetVlanVlanId in hh3cSubnetVlanTable.
hh3cSubnetVlanPortCreateEntry	1.3.6.1.4.1.25506.2.61.1.3.1		not-accessible	Subnet-based vlan port create entry.
I32 hh3cSubnetVlanPortCreateIndex	1.3.6.1.4.1.25506.2.61.1.3.1.1	Integer32	not-accessible	The port index.
I32 hh3cSubnetVlanPortCreateVlanId	1.3.6.1.4.1.25506.2.61.1.3.1.2	Integer32	not-accessible	The subnet-based vlan id. hh3cSubnetVlanPortCreateVlanId refers to hh3cSubnetVlanVlanId in hh3cSubnetVlanTable. If hh3cSubnetVlanPortCreateVlanId has no corresponding entry in hh3cSubnetVlanTable, set operation will fail.
I32 hh3cSubnetVlanPortInfoVlanId	1.3.6.1.4.1.25506.2.61.1.3.1.3	Integer32	read-only	This vlaue is the same as the value of hh3cSubnetVlanPortCreateVlanId index. All of the subnet information in this port, is described on vlan, whose vlan id is the value of hh3cSubnetVlanPortInfoVlanId. The vlan id of vlan including subnet information can be gotten here. The subnet information can be gotten in the hh3cSubnetVlanTable above.
ROW hh3cSubnetVlanPortRowStatus	1.3.6.1.4.1.25506.2.61.1.3.1.4	RowStatus	read-create	The row status of this table.
hh3cSubnetVlanConformance	1.3.6.1.4.1.25506.2.61.2
hh3cSubnetVlanCompliances	1.3.6.1.4.1.25506.2.61.2.1
hh3cSubnetVlanCompliance	1.3.6.1.4.1.25506.2.61.2.1.1			The compliance statement for subnet vlan MIB.
hh3cSubnetVlanGroups	1.3.6.1.4.1.25506.2.61.2.2
hh3cSubnetVlanScalarObjectGroup	1.3.6.1.4.1.25506.2.61.2.2.1			A group of scalar objects describing the maximum number.
hh3cSubnetVlanSubnetGroup	1.3.6.1.4.1.25506.2.61.2.2.2			A group of subnet vlan subnet.
hh3cSubnetVlanPortCreateGroup	1.3.6.1.4.1.25506.2.61.2.2.3			A group of subnet vlan port create table.

RFC description

Subnet-based VLAN configuration and management for H3C network devices.

Start monitoring H3C Layer 3 switch (subnet-based VLAN) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download HH3C-SUBNET-VLAN-MIB

What Is HH3C-SUBNET-VLAN-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description