BAY-STACK-MULTICAST-FLOODING-MIB

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Organization: Nortel Networks

Last Updated: 2009-06-25

Category: VLAN and Bridging, Vendor: Avaya

Description: Manages multicast flooding control and rate limiting on Avaya/Nortel BayStack ERS switch ports.

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What Is BAY-STACK-MULTICAST-FLOODING-MIB?

BAY-STACK-MULTICAST-FLOODING-MIB is a Nortel/Avaya (originally Bay Networks) enterprise module controlling multicast flooding behavior and allowed-address filtering on BayStack ERS switch ports. Its data is configuration-oriented: a global enable flag for multicast flooding control, tables of allowed MAC and IP multicast addresses permitted to flood, and per-VLAN multicast flooding settings. As a monitoring aid it lets an admin verify that multicast flooding restrictions are correctly enforced -- confirming bsmfMulticastFloodingEnabled matches intent and that the bsmfAllowedAddressTable/bsmfAllowedInetAddressTable contain only expected addresses helps catch unauthorized multicast traffic or a misconfigured filter that is either blocking legitimate multicast streams or allowing unwanted flooding, with bsmfObjects notifications surfacing related faults. It builds on standard InetAddressType/InetAddress conventions for its IP-based table and complements the switch's core bridging/VLAN MIBs. It is deployed on Avaya/Nortel BayStack and Ethernet Routing Switch platforms in networks that need to control multicast flooding, such as IPTV or video distribution environments. Engineers can download the BAY-STACK-MULTICAST-FLOODING-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in BAY-STACK-MULTICAST-FLOODING-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

Avaya/Nortel BayStack and Ethernet Routing Switches

Monitoring Examples

An admin would check bsmfMulticastFloodingEnabled to confirm the global flooding-control feature is active, then walk bsmfAllowedAddressTable/bsmfAllowedAddressEntry for MAC-based entries (bsmfAllowedAddressMacAddr, bsmfAllowedAddressRowStatus) and bsmfAllowedInetAddressTable/bsmfAllowedInetAddressEntry for IP-based entries (bsmfAllowedInetAddressType, bsmfAllowedInetAddress) to verify only expected multicast destinations are permitted to flood. Reviewing bsmfVlanTable per-VLAN settings would reveal whether a specific VLAN has flooding control misconfigured, which could explain unexpected multicast traffic or a missing video stream on that VLAN. Notifications from bsmfObjects/bsmfNotifications would flag related configuration faults in real time.

What Can Be Monitored

multicast flooding enabled state
allowed MAC addresses for flooding
allowed IP multicast addresses
per-VLAN flooding configuration
row status of address entries

Imported Objects

From INET-ADDRESS-MIB

InetAddress
InetAddressType

From Q-BRIDGE-MIB

VlanId

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

MacAddress
RowStatus
TruthValue

From SYNOPTICS-ROOT-MIB

bayStackMibs

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
bayStackMulticastFloodingMib	1.3.6.1.4.1.45.5.6			BayStack Multicast Flooding MIB Copyright 2003 Nortel Networks, Inc. All rights reserved. This Bay Networks SNMP Management Information Base Specification (Specification) embodies Bay Networks' confidential and proprietary intellectual property. Bay Networks retains all title and ownership in the Specification, including any revisions. This Specification is supplied 'AS IS,' and Bay Networks makes no warranty, either express or implied, as to the use, operation, condition, or performance of the Specification.
bsmfNotifications	1.3.6.1.4.1.45.5.6.0
bsmfObjects	1.3.6.1.4.1.45.5.6.1
T/F bsmfMulticastFloodingEnabled	1.3.6.1.4.1.45.5.6.1.1	TruthValue	read-write	This object indicates whether filtering of multicast MAC addresses to be flooded is enabled. If the value of this object is false(2), then multicast packets are always flooded to all ports. Otherwise, if the value is true(1), multicast packets that do not match an address in the bsmfAllowedAddressTable are flooded only to IGMP multicast router ports, and multicast packets that do match an address in the bsmfAllowedAddressTable are flooded to all ports.
bsmfAllowedAddressTable	1.3.6.1.4.1.45.5.6.2		not-accessible	This table is used to specify particular multicast MAC addresses that are allowed to be flooded to all ports.
bsmfAllowedAddressEntry	1.3.6.1.4.1.45.5.6.2.1		not-accessible	An entry in the bsmfAllowedAddressTable.
MAC bsmfAllowedAddressMacAddr	1.3.6.1.4.1.45.5.6.2.1.1	MacAddress	not-accessible	A MAC address that is allowed to flood all ports.
ROW bsmfAllowedAddressRowStatus	1.3.6.1.4.1.45.5.6.2.1.2	RowStatus	read-create	This object controls creation and deletion of rows in the table.
bsmfAllowedInetAddressTable	1.3.6.1.4.1.45.5.6.3		not-accessible	This table is used to specify particular multicast IP addresses that are allowed to be flooded to all ports.
bsmfAllowedInetAddressEntry	1.3.6.1.4.1.45.5.6.3.1		not-accessible	An entry in the bsmfAllowedInetAddressTable.
IPt bsmfAllowedInetAddressType	1.3.6.1.4.1.45.5.6.3.1.1	InetAddressType	not-accessible	The type of address contained in the corresponding instance of bsmfAllowedInetAddress. Currently, only values of ipv4(1) and ipv6(2) are allowed.
IP bsmfAllowedInetAddress	1.3.6.1.4.1.45.5.6.3.1.2	InetAddress	not-accessible	A multicast IP address that is allowed to flood all ports. Unicast and broadcast addresses are not allowed.
ROW bsmfAllowedInetAddressRowStatus	1.3.6.1.4.1.45.5.6.3.1.3	RowStatus	read-create	This object controls creation and deletion of rows in the table.
bsmfVlanTable	1.3.6.1.4.1.45.5.6.4		not-accessible	This table is used to control per-VLAN whether multicast flooding is enabled.
bsmfVlanEntry	1.3.6.1.4.1.45.5.6.4.1		not-accessible	An entry in the bsmfVlanTable.
VLA bsmfVlanId	1.3.6.1.4.1.45.5.6.4.1.1	VlanId	not-accessible	An existing VLAN.
T/F bsmfVlanMulticastFloodingEnabled	1.3.6.1.4.1.45.5.6.4.1.2	TruthValue	read-write	This object indicates whether filtering of multicast MAC addresses to be flooded is enabled on a per-vlan basis. If the value of this object is false(2), then multicast packets are always flooded to all ports of a vlan. Otherwise, if the value is true(1), multicast packets that do not match an address in the bsmfVlanAllowedAddressTable are flooded only to IGMP multicast router ports, and multicast packets that do match an address in the bsmfAllowedAddressTable are flooded to all ports.
bsmfVlanAllowedAddressTable	1.3.6.1.4.1.45.5.6.5		not-accessible	This table is used to specify particular multicast MAC addresses that are allowed to be flooded to all ports on a per-vlan basis.
bsmfVlanAllowedAddressEntry	1.3.6.1.4.1.45.5.6.5.1		not-accessible	An entry in the bsmfVlanAllowedAddressTable.
VLA bsmfVlanAllowedAddressVlanId	1.3.6.1.4.1.45.5.6.5.1.1	VlanId	not-accessible	An existing VLAN ID.
MAC bsmfVlanAllowedAddressMacAddr	1.3.6.1.4.1.45.5.6.5.1.2	MacAddress	not-accessible	A MAC address that is allowed to flood all ports.
ROW bsmfVlanAllowedAddressRowStatus	1.3.6.1.4.1.45.5.6.5.1.3	RowStatus	read-create	This object controls creation and deletion of rows in the table.
bsmfVlanAllowedInetAddressTable	1.3.6.1.4.1.45.5.6.6		not-accessible	This table is used to specify particular multicast IP addresses that are allowed to be flooded to all ports on a per-vlan basis.
bsmfVlanAllowedInetAddressEntry	1.3.6.1.4.1.45.5.6.6.1		not-accessible	An entry in the bsmfVlanAllowedInetAddressTable.
VLA bsmfVlanAllowedInetAddressVlanId	1.3.6.1.4.1.45.5.6.6.1.1	VlanId	not-accessible	An existing VLAN ID.
IPt bsmfVlanAllowedInetAddressType	1.3.6.1.4.1.45.5.6.6.1.2	InetAddressType	not-accessible	The type of address contained in the corresponding instance of bsmfVlanAllowedInetAddress. Currently, only values of ipv4(1) and ipv6(2) are allowed.
IP bsmfVlanAllowedInetAddress	1.3.6.1.4.1.45.5.6.6.1.3	InetAddress	not-accessible	A multicast IP address that is allowed to flood all ports. Unicast and broadcast addresses are not allowed.
ROW bsmfVlanAllowedInetAddressRowStatus	1.3.6.1.4.1.45.5.6.6.1.4	RowStatus	read-create	This object controls creation and deletion of rows in the table.

RFC description

Controls multicast flooding behavior on BayStack switches with support for MAC address filtering and VLAN-based flooding.

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Download BAY-STACK-MULTICAST-FLOODING-MIB

What Is BAY-STACK-MULTICAST-FLOODING-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description