H3C-VXLAN-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2013-11-21

Category: VPN and Security, Vendor: H3C/HH3C

Description: H3C MIB for VXLAN overlay network management including VTEP configuration, VNI mappings, and tunnel statistics.

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What Is H3C-VXLAN-MIB?

H3C-VXLAN-MIB manages VXLAN (Virtual Extensible LAN) overlay networking on H3C switches, covering VTEP (VXLAN Tunnel Endpoint) behavior, VNI (VXLAN Network Identifier) configuration, and remote MAC learning for data-center overlay fabrics. It exposes local/remote MAC notification and learning settings, the next available VXLAN ID, a configured-VXLAN flag, and a per-VXLAN table recording the VXLAN ID, address type, multicast group address, source address, associated VSI (Virtual Switch Instance) index, and remote MAC learning count. For monitoring, this MIB is valuable for confirming that each configured VXLAN segment (h3cVxlanID) has the expected source/group addressing and for tracking h3cVxlanRemoteMacCount to detect abnormal MAC learning growth (a sign of a Layer 2 loop or MAC flooding within the overlay) or an unexpectedly low count indicating a tunnel or underlay connectivity problem. It depends on the underlying IP/multicast underlay network and on the VSI/bridge-domain model for mapping overlay segments to local switching instances. It is deployed in H3C data-center switches building VXLAN-based Layer 2 overlay fabrics across an IP underlay, making H3C-VXLAN-MIB SNMP monitoring essential for tracking overlay health in those fabrics.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-VXLAN-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 data-center switches with VXLAN overlay support

Monitoring Examples

An administrator would walk h3cVxlanTable (h3cVxlanEntry) keyed by h3cVxlanID to check h3cVxlanSourceAddr and h3cVxlanGroupAddr for a given VXLAN segment, confirming the VTEP's addressing matches the intended overlay design, and would track h3cVxlanRemoteMacCount over time to spot abnormal MAC-table growth suggesting a loop in the overlay. h3cVxlanVsiIndex confirms which local Virtual Switch Instance a VXLAN segment is bound to, useful when troubleshooting traffic not reaching the expected bridge domain. h3cVxlanNextVxlanID and h3cVxlanConfigured assist with capacity tracking of how many VXLAN segments are provisioned, while h3cVxlanLocalMacNotify/h3cVxlanRemoteMacLearn settings determine whether MAC learning events are actively synchronized across the fabric.

What Can Be Monitored

VXLAN segment source/group address configuration
remote MAC learning count
VSI-to-VXLAN binding
configured VXLAN ID count
MAC notification/learning settings

Imported Objects

From HUAWEI-3COM-OID-MIB

h3cCommon

OBJECT-IDENTITY

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From SNMPv2-SMI

Counter64
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

MacAddress
RowStatus
TruthValue

How to Use in IPNetwork Monitor

Example using h3cVxlanTunnelOctets OID:

Select an H3C data-center switch with VXLAN overlay support as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type h3cVxlanTunnelOctets into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The number of octets that have been forwarded over the tunnel. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cVxlan	1.3.6.1.4.1.2011.10.2.150			The overlay MIB.
h3cVxlanObjects	1.3.6.1.4.1.2011.10.2.150.1
h3cVxlanScalarGroup	1.3.6.1.4.1.2011.10.2.150.1.1
T/F h3cVxlanLocalMacNotify	1.3.6.1.4.1.2011.10.2.150.1.1.1	TruthValue	read-write	Local MAC(Media Access Control) address report capability.
T/F h3cVxlanRemoteMacLearn	1.3.6.1.4.1.2011.10.2.150.1.1.2	TruthValue	read-write	Remote MAC address self-learning capability.
U32 h3cVxlanNextVxlanID	1.3.6.1.4.1.2011.10.2.150.1.1.3	Unsigned32	read-only	Next available VXLAN ID(identifier), in the range of 0x0 to 0xFFFFFF. The invalid value 0xFFFFFFFF indicates that no ID can be set.
U32 h3cVxlanConfigured	1.3.6.1.4.1.2011.10.2.150.1.1.4	Unsigned32	read-only	Number of currently configured VXLANs.
h3cVxlanTable	1.3.6.1.4.1.2011.10.2.150.1.2		not-accessible	A table for VXLAN parameters.
h3cVxlanEntry	1.3.6.1.4.1.2011.10.2.150.1.2.1		not-accessible	Each entry represents the parameters of a VXLAN.
U32 h3cVxlanID	1.3.6.1.4.1.2011.10.2.150.1.2.1.1	Unsigned32	not-accessible	The VXLAN ID.
IPt h3cVxlanAddrType	1.3.6.1.4.1.2011.10.2.150.1.2.1.2	InetAddressType	read-create	The type of multicast group address.
IP h3cVxlanGroupAddr	1.3.6.1.4.1.2011.10.2.150.1.2.1.3	InetAddress	read-create	Group destination address.
IP h3cVxlanSourceAddr	1.3.6.1.4.1.2011.10.2.150.1.2.1.4	InetAddress	read-create	Group source address.
U32 h3cVxlanVsiIndex	1.3.6.1.4.1.2011.10.2.150.1.2.1.5	Unsigned32	read-create	VSI index. A unique index for the conceptual row identifying a VSI in the h3cVsiTable.
U32 h3cVxlanRemoteMacCount	1.3.6.1.4.1.2011.10.2.150.1.2.1.6	Unsigned32	read-only	Remote MAC address count of this VXLAN.
ROW h3cVxlanRowStatus	1.3.6.1.4.1.2011.10.2.150.1.2.1.7	RowStatus	read-create	Operation status of this table entry. When a row in this table is in active state, no objects in that row can be modified by the agent except h3cVxlanGroupAddr, h3cVxlanSourceAddr.
h3cVxlanTunnelTable	1.3.6.1.4.1.2011.10.2.150.1.3		not-accessible	A table for VXLAN tunnel parameters.
h3cVxlanTunnelEntry	1.3.6.1.4.1.2011.10.2.150.1.3.1		not-accessible	Each entry represents the parameters of a VXLAN tunnel.
U32 h3cVxlanTunnelID	1.3.6.1.4.1.2011.10.2.150.1.3.1.1	Unsigned32	not-accessible	A unique index for tunnel.
ROW h3cVxlanTunnelRowStatus	1.3.6.1.4.1.2011.10.2.150.1.3.1.2	RowStatus	read-create	Operation status of this table entry.
C64 h3cVxlanTunnelOctetsEx	1.3.6.1.4.1.2011.10.2.150.1.3.1.3	Counter64	read-only	The number of octets that have been forwarded over the tunnel. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times.
C64 h3cVxlanTunnelPackets	1.3.6.1.4.1.2011.10.2.150.1.3.1.4	Counter64	read-only	The number of packets that have been forwarded over the tunnel. Discontinuities in the value of this counter can occur at re-initialization of the management system and at other times.
h3cVxlanTunnelBoundTable	1.3.6.1.4.1.2011.10.2.150.1.4		not-accessible	A table for the number of VXLANs to which the tunnel is bound.
h3cVxlanTunnelBoundEntry	1.3.6.1.4.1.2011.10.2.150.1.4.1		not-accessible	An entry represents the number of VXLANs to which a tunnel is bound.
U32 h3cVxlanTunnelBoundVxlanNum	1.3.6.1.4.1.2011.10.2.150.1.4.1.1	Unsigned32	read-only	The number of VXLANs to which this tunnel is bound.
h3cVxlanMacTable	1.3.6.1.4.1.2011.10.2.150.1.5		not-accessible	A table for VXLAN remote MAC addresses.
h3cVxlanMacEntry	1.3.6.1.4.1.2011.10.2.150.1.5.1		not-accessible	A VXLAN remote MAC address.
MAC h3cVxlanMacAddr	1.3.6.1.4.1.2011.10.2.150.1.5.1.1	MacAddress	not-accessible	MAC address.
U32 h3cVxlanMacTunnelID	1.3.6.1.4.1.2011.10.2.150.1.5.1.2	Unsigned32	read-only	A unique index for tunnel.
INT h3cVxlanMacType	1.3.6.1.4.1.2011.10.2.150.1.5.1.3	INTEGER	read-only	The type of an MAC address.
h3cVxlanStaticMacTable	1.3.6.1.4.1.2011.10.2.150.1.6		not-accessible	A table for VXLAN static remote MAC addresses.
h3cVxlanStaticMacEntry	1.3.6.1.4.1.2011.10.2.150.1.6.1		not-accessible	A VXLAN static MAC address.
MAC h3cVxlanStaticMacAddr	1.3.6.1.4.1.2011.10.2.150.1.6.1.1	MacAddress	not-accessible	Static MAC address.
U32 h3cVxlanStaticMacTunnelID	1.3.6.1.4.1.2011.10.2.150.1.6.1.2	Unsigned32	read-create	A unique index for tunnel.
ROW h3cVxlanStaticMacRowStatus	1.3.6.1.4.1.2011.10.2.150.1.6.1.3	RowStatus	read-create	Operation status of this table entry. When a row in this table is in active state, no objects in that row can be modified by the agent.

RFC description

An H3C MIB for managing Virtual eXtensible LAN (VXLAN) technology on H3C network switches and routers. This MIB provides management objects for VXLAN tunnels, Virtual Switch Instances (VSI), and MAC-in-UDP encapsulation for Layer 2 connectivity in data centers.

Start monitoring H3C data-center switch with VXLAN overlay support 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 H3C-VXLAN-MIB