ME1200-LOOP-PROTECTION-MIB

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Organization: Cisco Systems, Inc

Last Updated: 2016-04-27

Category: Technology: Loop Detection, Vendor: Cisco

Description: Cisco ME1200 Metro Ethernet switch MIB for loop protection configuration to detect and disable switch ports causing network loops.

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What Is ME1200-LOOP-PROTECTION-MIB?

This is a Cisco ME1200 Metro Ethernet access switch MIB for Layer 2 loop protection, detecting and shutting down switch ports that are causing network loops, in the carrier Ethernet switching technology area. It exposes global loop-protection parameters (transmit interval, shutdown period) plus per-interface configuration and status objects. For monitoring it reports whether loop protection is enabled per port (me1200LoopProtectionInterfaceParamEnabled), which action is configured on loop detection, and a per-port operational status table revealing which ports have actually been shut down due to a detected loop. It complements Cisco's MSTP MIB on the same platform (ME1200-MSTP-MIB) as an additional loop-prevention layer. It is deployed on Cisco ME1200 metro Ethernet access switches at customer or aggregation sites where accidental cabling loops must be automatically contained. Engineers can download the ME1200-LOOP-PROTECTION-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ME1200-LOOP-PROTECTION-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

Cisco ME1200 Metro Ethernet access switch

Monitoring Examples

An operator would poll me1200LoopProtectionInterfaceStatusTable (indexed by me1200LoopProtectionInterfaceStatusIfIndex) to see whether a specific port has been shut down due to a detected loop, then check me1200LoopProtectionInterfaceParamAction and me1200LoopProtectionInterfaceParamTransmit to confirm the configured detection/response behavior on that port. me1200LoopProtectionGlobalsShutdownPeriod indicates how long the port will remain disabled before it can recover.

What Can Be Monitored

loop protection enable state (global/per-port)
loop detection action configured per port
port shutdown status due to loop
loop-protection transmit interval
shutdown period after loop detection

Imported Objects

From CISCOME1200-MIB

me1200SwitchMgmt

OBJECT-IDENTITY

From ME1200-TC

ME1200InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
me1200LoopProtectionMib	1.3.6.1.4.1.9.9.815.1.91			This is a private MIB for loop protection
me1200LoopProtectionObjects	1.3.6.1.4.1.9.9.815.1.91.1
me1200LoopProtectionConfig	1.3.6.1.4.1.9.9.815.1.91.1.2
me1200LoopProtectionGlobals	1.3.6.1.4.1.9.9.815.1.91.1.2.1
T/F me1200LoopProtectionGlobalsEnabled	1.3.6.1.4.1.9.9.815.1.91.1.2.1.1	TruthValue	read-write	Global enabled for loop protection on any port.
I32 me1200LoopProtectionGlobalsTransmitInterval	1.3.6.1.4.1.9.9.815.1.91.1.2.1.2	Integer32	read-write	Port transmission interval (seconds). Valid range: 1-10 seconds.
I32 me1200LoopProtectionGlobalsShutdownPeriod	1.3.6.1.4.1.9.9.815.1.91.1.2.1.3	Integer32	read-write	Port shutdown period (seconds). Valid range: 0 to 604800 seconds.
me1200LoopProtectionConfigInterface	1.3.6.1.4.1.9.9.815.1.91.1.2.2
me1200LoopProtectionInterfaceParamTable	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1		not-accessible	This is a table of loop protection interface parameters
me1200LoopProtectionInterfaceParamEntry	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1.1		not-accessible	Each physical interface has a set of parameters
NUM me1200LoopProtectionInterfaceParamIfIndex	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1.1.1	ME1200InterfaceIndex	not-accessible	Logical interface number.
T/F me1200LoopProtectionInterfaceParamEnabled	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1.1.2	TruthValue	read-write	Enabled loop protection on port
ME1 me1200LoopProtectionInterfaceParamAction	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1.1.3	ME1200LoopProtectionAction	read-write	Action if loop detected
T/F me1200LoopProtectionInterfaceParamTransmit	1.3.6.1.4.1.9.9.815.1.91.1.2.2.1.1.4	TruthValue	read-write	Actively generate PDUs
me1200LoopProtectionStatus	1.3.6.1.4.1.9.9.815.1.91.1.3
me1200LoopProtectionStatusInterface	1.3.6.1.4.1.9.9.815.1.91.1.3.2
me1200LoopProtectionInterfaceStatusTable	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1		not-accessible	This is a table of loop protection interface status
me1200LoopProtectionInterfaceStatusEntry	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1		not-accessible	Each physical interface has a set of status objects
NUM me1200LoopProtectionInterfaceStatusIfIndex	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1.1	ME1200InterfaceIndex	not-accessible	Logical interface number.
T/F me1200LoopProtectionInterfaceStatusDisabled	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1.2	TruthValue	read-only	Whether a port is currently disabled
T/F me1200LoopProtectionInterfaceStatusLoopDetected	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1.3	TruthValue	read-only	Whether a port has a loop detected
U32 me1200LoopProtectionInterfaceStatusLoopCount	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1.4	Unsigned32	read-only	Number of times a loop has been detected on a port
I32 me1200LoopProtectionInterfaceStatusLastLoop	1.3.6.1.4.1.9.9.815.1.91.1.3.2.1.1.5	Integer32	read-only	Time of last loop condition
me1200LoopProtectionNotificationPrefix	1.3.6.1.4.1.9.9.815.1.91.1.4
me1200LoopProtectionNotification	1.3.6.1.4.1.9.9.815.1.91.1.4.0
NTF me1200LoopProtectionNotificationLoopDetected	1.3.6.1.4.1.9.9.815.1.91.1.4.0.1			Notification is sent when a loop is detected.
me1200LoopProtectionMibConformance	1.3.6.1.4.1.9.9.815.1.91.2
me1200LoopProtectionMibCompliances	1.3.6.1.4.1.9.9.815.1.91.2.1
me1200LoopProtectionMibCompliance	1.3.6.1.4.1.9.9.815.1.91.2.1.1			The compliance statement for the implementation.
me1200LoopProtectionMibGroups	1.3.6.1.4.1.9.9.815.1.91.2.2
me1200LoopProtectionGlobalsInfoGroup	1.3.6.1.4.1.9.9.815.1.91.2.2.1			A collection of objects suitable for bulk operations.
me1200LoopProtectionInterfaceParamTableInfoGroup	1.3.6.1.4.1.9.9.815.1.91.2.2.2			A collection of objects suitable for bulk operations.
me1200LoopProtectionInterfaceStatusTableInfoGroup	1.3.6.1.4.1.9.9.815.1.91.2.2.3			A collection of objects suitable for bulk operations.
me1200LoopProtectionNotificationInfoGroup	1.3.6.1.4.1.9.9.815.1.91.2.2.4			A collection of objects suitable for bulk operations.

RFC description

Microsemi/Microchip vendor-private MIB for ME1200 switch platform; manages Ethernet loop/spanning-tree protection features.

Start monitoring Cisco ME1200 Metro Ethernet access switch (Layer 2 loop protection) 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 ME1200-LOOP-PROTECTION-MIB

What Is ME1200-LOOP-PROTECTION-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description