RADLAN-MIR-MIB

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Organization: Radlan - a MARVELL company. Marvell Semiconductor, Inc.

Last Updated: 2007-01-02

Category: Vendor: RADLAN/Cisco SB

Description: Configures port mirroring sessions for network traffic monitoring and analysis.

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What Is RADLAN-MIR-MIB?

RADLAN-MIR-MIB is a private Marvell/Radlan switch MIB configuring port mirroring (SPAN-like) sessions used to duplicate traffic from one or more ports to a monitoring destination for analysis. It exposes configuration of mirror sessions, including which interfaces are mirrored to which session ID, plus VLAN-based reserved ports, alongside a current-versus-maximum session count that functions as a hardware capacity/resource-utilization indicator. Monitoring value centers on that capacity metric: rlMirCurMriNum approaching rlMirMaxNumOfMRIs reveals the switch is nearing its hardware limit for simultaneous mirror sessions, which would cause new mirroring requests to fail. It depends on IF-MIB ifIndex values for interface references and on the underlying switch ASIC's mirroring hardware capability. It is deployed by network and security teams capturing traffic for IDS sensors or packet-analysis appliances attached to mirror destination ports. Engineers can download the RADLAN-MIR-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in RADLAN-MIR-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

Marvell/Radlan-based managed switch

Monitoring Examples

rlMirInterfaceTable/Entry, indexed by rlMirInterfaceIfIndex and rlMirInterfaceMrid, maps source ports to mirror session IDs, letting an admin verify a SPAN session is properly capturing traffic to an attached IDS sensor. rlMirCurMriNum climbing toward rlMirMaxNumOfMRIs (or rlMirMaxNumOfMRIsAfterReset) indicates the switch is approaching its hardware limit on simultaneous mirror sessions. rlMirVlanBaseReservedPortsTable additionally shows which ports are reserved from VLAN-based mirroring to protect trunk/uplink connectivity.

What Can Be Monitored

configured mirror session count vs hardware maximum
port-to-mirror-session mappings
VLAN-based reserved mirror ports
mirror session status per interface

Imported Objects

From IF-MIB

InterfaceIndex

From RADLAN-MIB

rnd	OBJECT-IDENTITY

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
rlMir	1.3.6.1.4.1.89.61			This private MIB module defines MIR private MIBs.
INT rlMirCurMriNum	1.3.6.1.4.1.89.61.4	INTEGER	read-write	The number of the MRI of which MIB variables are treated at the same time by the SNMP agent.
INT rlMirCurMriNumOob	1.3.6.1.4.1.89.61.9	INTEGER	read-only	Returns Router Mri Number.
INT rlMirCurMriNumRouter	1.3.6.1.4.1.89.61.8	INTEGER	read-only	Returns Router Mri Number.
rlMirInterfaceEntry	1.3.6.1.4.1.89.61.5.1		not-accessible	An entry of this table specifies the MRID assignement to a L2 interfrace.
NUM rlMirInterfaceIfIndex	1.3.6.1.4.1.89.61.5.1.1	InterfaceIndex	read-write	The L2 interface for which this entry contains information.
INT rlMirInterfaceMrid	1.3.6.1.4.1.89.61.5.1.2	INTEGER	read-write	Multi IP Router Instance Identifier to which the interface is assgned.
rlMirInterfaceTable	1.3.6.1.4.1.89.61.5		not-accessible	A list of the assignment ifinterfaces to IP Router instances.
INT rlMirMaxNumOfMRIs	1.3.6.1.4.1.89.61.3	INTEGER	read-only	The maximun instanses of IP Multi Instance Routers.
INT rlMirMaxNumOfMRIsAfterReset	1.3.6.1.4.1.89.61.2	INTEGER	read-write	The maximun instanses of IP Multi Instance Routers after the following reset.
INT rlMirMibVersion	1.3.6.1.4.1.89.61.1	INTEGER	read-only	MIB's version, the current version is 1.
rlMirVlanBaseLogicalPortsEntry	1.3.6.1.4.1.89.61.7.1		not-accessible	A VLAN based logical point-to-point port.
NUM rlMirVlanBaseLogicalPortsIfIndex	1.3.6.1.4.1.89.61.7.1.1	InterfaceIndex	read-create	IfIndex of VLAN based Logical point-to-point port.
NUM rlMirVlanBaseLogicalPortsReservedIfIndex	1.3.6.1.4.1.89.61.7.1.2	InterfaceIndex	read-create	IfIndex of VLAN based reserved physical port on which the logical port is defined.
ROW rlMirVlanBaseLogicalPortsStatus	1.3.6.1.4.1.89.61.7.1.4	RowStatus	read-create	It is used to add, update and delete an entry
rlMirVlanBaseLogicalPortsTable	1.3.6.1.4.1.89.61.7		not-accessible	A list VLAN based logical ports.
INT rlMirVlanBaseLogicalPortsVlanTag	1.3.6.1.4.1.89.61.7.1.3	INTEGER	read-create	VLAN tag.
rlMirVlanBaseReservedPortsEntry	1.3.6.1.4.1.89.61.6.1		not-accessible	A VLAN based reserved physical port.
NUM rlMirVlanBaseReservedPortsIfIndex	1.3.6.1.4.1.89.61.6.1.1	InterfaceIndex	read-create	IfIndex of VLAN based reserved physical port.
ROW rlMirVlanBaseReservedPortsStatus	1.3.6.1.4.1.89.61.6.1.2	RowStatus	read-create	It is used to delete an entry
rlMirVlanBaseReservedPortsTable	1.3.6.1.4.1.89.61.6		not-accessible	A list VLAN based reserved physical ports.

RFC description

Manages multiple IP router instances (MIR) and interface assignments on Radlan network switches.

Start monitoring Marvell/Radlan-based managed switch (port mirroring/SPAN sessions) 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 RADLAN-MIR-MIB

What Is RADLAN-MIR-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description