FOUNDRY-SN-MAC-VLAN-MIB

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Organization: Foundry Networks, Inc

Last Updated: 2007-06-25

Category: VLAN and Bridging, Vendor: Foundry/Brocade

Description: Brocade Foundry MAC-based VLAN MIB providing per-MAC-address VLAN assignment configuration and management tables for FastIron switches.

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What Is FOUNDRY-SN-MAC-VLAN-MIB?

FOUNDRY-SN-MAC-VLAN-MIB is a Brocade (Foundry Networks) vendor-specific MIB for configuring MAC-address-based VLAN assignment on FastIron switches, allowing devices to be dynamically placed into a VLAN based on their source MAC address rather than static port configuration. It exposes global dynamic-configuration state, per-port MAC-VLAN enable settings and maximum entry limits, and a port-membership table mapping ports to assigned VLAN IDs. Its monitoring value is primarily configuration/software status: snMacVlanIfEnable and snMacVlanIfMaxEntry reveal whether MAC-VLAN assignment is active on a port and how many dynamic entries it can hold, while snMacVlanPortMemberTable shows the live VLAN assignment resulting from that dynamic classification, letting an operator confirm devices are landing in the correct VLAN. It is a self-contained Brocade enterprise MIB with no evident dependency on other MIBs beyond standard SNMP table conventions. It is deployed on Brocade/Foundry FastIron access switches in environments using MAC-based dynamic VLAN assignment for endpoint segmentation, and administrators can obtain a FOUNDRY-SN-MAC-VLAN-MIB download to load the module directly into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in FOUNDRY-SN-MAC-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

Brocade (Foundry) FastIron switches

Monitoring Examples

Polling snMacVlanIfTable/snMacVlanIfEntry by snMacVlanIfIndex shows snMacVlanIfEnable and snMacVlanIfMaxEntry per port, confirming whether MAC-VLAN classification is turned on and how much table capacity remains. The snMacVlanPortMemberTable/snMacVlanPortMemberEntry, keyed by snMacVlanPortMemberPortId and snMacVlanPortMemberVLanId, reveals the actual dynamic VLAN assigned to a port at a given moment. If a port's assigned VLAN doesn't match the expected VLAN for a connecting device, or snMacVlanIfMaxEntry is being approached, it would indicate a MAC-VLAN table capacity or classification misconfiguration, diagnosable via snMacVlanGlobalClearOper to reset and retest.

What Can Be Monitored

per-port MAC-VLAN enable state
dynamic VLAN assignment per port
MAC-VLAN table maximum entries
global dynamic configuration state

Imported Objects

From IF-MIB

InterfaceIndex

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

MacAddress

OIDs

OID symbolic	OID numeric	Type	Access	Description
snMacVlan	1.3.6.1.4.1.1991.1.1.3.30			Management Information Base module for MAC-based Vlan configuration and statistics.
snMacVlanGlobalObjects	1.3.6.1.4.1.1991.1.1.3.30.1
INT snMacVlanGlobalClearOper	1.3.6.1.4.1.1991.1.1.3.30.1.1	INTEGER	read-write	valid(0) - a SNMP-GET of this mib shows that it is valid command to use. clear(1) - represents clear operational MAC-based Vlan entry for all ports.
INT snMacVlanGlobalDynConfigState	1.3.6.1.4.1.1991.1.1.3.30.1.2	INTEGER	read-write	Enable/disable MAC-based VLAN dynamic activation on the global level.
snMacVlanTableObjects	1.3.6.1.4.1.1991.1.1.3.30.2
snMacVlanPortMemberTable	1.3.6.1.4.1.1991.1.1.3.30.2.1		not-accessible	MAC-based Vlan port membership table.
snMacVlanPortMemberEntry	1.3.6.1.4.1.1991.1.1.3.30.2.1.1		not-accessible	An entry of the MAC-based Vlan port membership table.
INT snMacVlanPortMemberVLanId	1.3.6.1.4.1.1991.1.1.3.30.2.1.1.1	INTEGER	not-accessible	The VLAN identifier (VLAN ID).
NUM snMacVlanPortMemberPortId	1.3.6.1.4.1.1991.1.1.3.30.2.1.1.2	InterfaceIndex	not-accessible	The ifIndex which is a member of the MAC-based VLAN.
INT snMacVlanPortMemberRowStatus	1.3.6.1.4.1.1991.1.1.3.30.2.1.1.3	INTEGER	read-write	This object is used to create and delete row in the table and control if they are used. The values that can be written are: delete(3)...deletes the row create(4)...creates a new row If the row exists, then a SET with value of create(4) returns error 'wrongValue'. Deleted rows go away immediately. The following values can be returned on reads: noSuch(0)...no such row other(1)....some other case valid(2)....the row exists and is valid
snMacVlanIfTable	1.3.6.1.4.1.1991.1.1.3.30.2.2		not-accessible	MAC-based Vlan Interface table.
snMacVlanIfEntry	1.3.6.1.4.1.1991.1.1.3.30.2.2.1		not-accessible	An entry in the MAC-based Vlan interface table.
NUM snMacVlanIfIndex	1.3.6.1.4.1.1991.1.1.3.30.2.2.1.1	InterfaceIndex	not-accessible	The ifIndex which is a member of the MAC-based VLAN.
INT snMacVlanIfEnable	1.3.6.1.4.1.1991.1.1.3.30.2.2.1.2	INTEGER	read-write	The administrative status requested by management for MAC-based Vlan on this interface. The value enabled(1) indicates that MAC-based Vlan should be enabled on this interface, When disabled(2), MAC-based Vlan is disabled on this interface. Enable/disable MAC-based Vlan on this interface.
I32 snMacVlanIfMaxEntry	1.3.6.1.4.1.1991.1.1.3.30.2.2.1.3	Integer32	read-write	The maximum number of allowed and denied MAC address (static and dynamic) that can be leared on an interface. The default value is 2. The value should be between 2 to 32.
INT snMacVlanIfClearOper	1.3.6.1.4.1.1991.1.1.3.30.2.2.1.4	INTEGER	read-write	valid(0) - a SNMP-GET of this mib shows that it is valid command to use. clear(1) - represents clearing operational MAC-based Vlan entry for a port.
INT snMacVlanIfClearConfig	1.3.6.1.4.1.1991.1.1.3.30.2.2.1.5	INTEGER	read-write	valid(0) - a SNMP-GET of this mib shows that it is valid command to use. clear(1) - represents clearing configured MAC-based Vlan entry for a port.
snMacBasedVlanTable	1.3.6.1.4.1.1991.1.1.3.30.2.3		not-accessible	MAC-based Vlan table.
snMacBasedVlanEntry	1.3.6.1.4.1.1991.1.1.3.30.2.3.1		not-accessible	An entry in the MAC-based Vlan table.
INT snMacBasedVlanId	1.3.6.1.4.1.1991.1.1.3.30.2.3.1.1	INTEGER	not-accessible	The ID of a VLAN of which this port is a mac-vlan-permit member. Port must be untagged. This object return 0 which is an invalid VLAN ID value.
MAC snMacBasedVlanMac	1.3.6.1.4.1.1991.1.1.3.30.2.3.1.2	MacAddress	not-accessible	A host source MAC address to be authenticated.
I32 snMacBasedVlanPriority	1.3.6.1.4.1.1991.1.1.3.30.2.3.1.3	Integer32	read-write	The priority of the source MAC address.
INT snMacBasedVlanRowStatus	1.3.6.1.4.1.1991.1.1.3.30.2.3.1.4	INTEGER	read-write	This object is used to create and delete row in the table and control if they are used. The values that can be written are: delete(3)...deletes the row create(4)...creates a new row If the row exists, then a SET with value of create(4) returns error 'wrongValue'. Deleted rows go away immediately. The following values can be returned on reads: noSuchName...no such row other(1).....some other cases valid(2)....the row exists and is valid

RFC description

Management Information Base module for MAC-based VLAN configuration and statistics.

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Download FOUNDRY-SN-MAC-VLAN-MIB

What Is FOUNDRY-SN-MAC-VLAN-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description