GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB

All MIBs › GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB

Organization: Netgear

Last Updated: 2003-05-06

Category: Technology: QoS, Vendor: Netgear

Description: Netgear GSM7312 switch MIB providing proprietary DiffServ extensions for enhanced QoS policy configuration.

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What Is GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB?

GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB is a Netgear vendor MIB that extends the standard DiffServ MIB with proprietary auxiliary multi-field classifier objects for the GSM7312 managed switch. It exposes QoS policy configuration data, specifically extended multi-field classifier entries that match traffic by source/destination IP address and mask, protocol, and Layer 4 port ranges. This is primarily a configuration MIB for traffic classification policy rather than a hardware/software health MIB; its main monitoring value is confirming that DiffServ classifier rules are correctly provisioned and being applied as intended for QoS treatment. It explicitly extends the IETF DIFFSERV-MIB, adding vendor-specific auxiliary classifier fields not covered by the standard. It is deployed on Netgear GSM7312 switches in networks where administrators need fine-grained, multi-field QoS traffic classification, relying on the GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB MIB to expose these classifier objects to their SNMP management platform.

IPNetwork Monitor allows you to monitor SNMP objects defined in GSM7312-QOS-DIFFSERV-EXTENSIONS-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

Netgear GSM7312 managed switch

Monitoring Examples

An administrator would walk agentDiffServAuxMfClfrTable/agentDiffServAuxMfClfrEntry (indexed by agentDiffServAuxMfClfrId) to verify a classifier rule's agentDiffServAuxMfClfrSrcAddr/SrcMask, agentDiffServAuxMfClfrDstAddr/DstMask, agentDiffServAuxMfClfrProtocol, and Layer 4 port range fields (agentDiffServAuxMfClfrDstL4PortMin/Max, agentDiffServAuxMfClfrSrcL4PortMin) match the intended traffic-matching policy. agentDiffServAuxMfClfrNextFree would be checked before provisioning a new classifier entry to find the next available index. Misconfigured address/mask or port-range values here would explain traffic receiving the wrong QoS treatment, such as voice traffic not getting priority.

What Can Be Monitored

DiffServ multi-field classifier rules
source/destination IP address and mask matching
protocol and Layer 4 port range matching
next-free classifier index/capacity

Imported Objects

From DIFFSERV-MIB

IfDirection
IndexInteger
IndexIntegerNextFree

From GSM7312-QOS-MIB

gsm7312QOS

MODULE-IDENTITY

From INET-ADDRESS-MIB

InetPortNumber

From RFC1213-MIB

DisplayString

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

MacAddress
RowStatus
StorageType
TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
gsm7312QOSDiffServExtensions	1.3.6.1.4.1.4526.1.6.3.3
agentDiffServMIBObjects	1.3.6.1.4.1.4526.1.6.3.3.1
agentDiffServClassifier	1.3.6.1.4.1.4526.1.6.3.3.1.1
NUM agentDiffServAuxMfClfrNextFree	1.3.6.1.4.1.4526.1.6.3.3.1.1.1	IndexIntegerNextFree	read-only	This object contains an unused value for agentDiffServAuxMfClfrId , or a zero to indicate that none exist.
agentDiffServAuxMfClfrTable	1.3.6.1.4.1.4526.1.6.3.3.1.1.2		not-accessible	A table of Auxiliary Multi-field Classifier filter entries that a system may use to identify IP traffic.
agentDiffServAuxMfClfrEntry	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1		not-accessible	An IP Multi-field Classifier entry describes a single filter.
NUM agentDiffServAuxMfClfrId	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.1	IndexInteger	not-accessible	An index that enumerates the Auxiliary MultiField Classifier filter entries. Managers obtain new values for row creation in this table by reading agentDiffServAuxMfClfrNextFree.
IP agentDiffServAuxMfClfrDstAddr	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.2	IpAddress	read-create	The IP address to match against the packet's destination IP address.
IP agentDiffServAuxMfClfrDstMask	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.3	IpAddress	read-create	This mask value identifies the portion of agentDiffServAuxMfClfrDstAddr that is compared against a packet. A non-contiguous mask value is permitted. A mask of 0 indicates a match of any address.
IP agentDiffServAuxMfClfrSrcAddr	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.4	IpAddress	read-create	The IP address to match against the packet's source IP address.
IP agentDiffServAuxMfClfrSrcMask	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.5	IpAddress	read-create	This mask value identifies the portion of agentDiffServAuxMfClfrSrcAddr that is compared against a packet. A non-contiguous mask value is permitted. A mask of 0 indicates a match of any address.
U32 agentDiffServAuxMfClfrProtocol	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.6	Unsigned32	read-create	The IP protocol to match against the IPv4 protocol number. A value of 255 means match all.
INE agentDiffServAuxMfClfrDstL4PortMin	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.7	InetPortNumber	read-create	The minimum value that the layer-4 destination port number in the packet must have in order to match this classifier entry.
INE agentDiffServAuxMfClfrDstL4PortMax	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.8	InetPortNumber	read-create	The maximum value that the layer-4 destination port number in the packet must have in order to match this classifier entry. This value must be equal to or greater than the value specified for this entry in agentDiffServAuxMfClfrDstL4PortMin.
INE agentDiffServAuxMfClfrSrcL4PortMin	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.9	InetPortNumber	read-create	The minimum value that the layer-4 source port number in the packet must have in order to match this classifier entry.
INE agentDiffServAuxMfClfrSrcL4PortMax	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.10	InetPortNumber	read-create	The maximum value that the layer-4 source port number in the packet must have in order to match this classifier entry. This value must be equal to or greater than the value specified for this entry in diffServMultiFieldClfrSrcL4PortMin.
COS agentDiffServAuxMfClfrCos	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.11	CosOrAny	read-create	Three-bit 802.1p priority field in the Ethernet frame used as a class-match parameter. A value of -1 indicates that a specific COS value has not been defined and thus all COS values are considered a match.
OCT agentDiffServAuxMfClfrTos	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.12	OCTET STRING	read-create	IP TOS bits value, defined as all eight bits of the Service Type octet in the IPv4 header. There are multiple, overlapping, meanings of the TOS octet in use today: Precedence (bits 7-5): IP Precedence, values 0-7 DSCP (bits 7-2): IP DiffServ Code Point, values 0-63 TOS (bits 7-0): IP Type of Service, by bits, values 0-255 Each of these definitions can be produced using the appropriate agentDiffServAuxMfClfrTosMask mask value. These definitions are mutually-exclusive, so only one is allowed for any given classifier element.
OCT agentDiffServAuxMfClfrTosMask	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.13	OCTET STRING	read-create	IP TOS bits mask value. It identifies the portion of agentDiffServAuxMfClfrTos that is compared against a packet. A non-contiguous mask value is permitted. A mask of 0 indicates a match of any TOS value. There are multiple, overlapping meanings of the TOS octet in use today. These are represented by the following specific mask values: Precedence (bits 7-5): 224 (bit mask '11100000') DSCP (bits 7-2): 252 (bit mask '11111100') TOS (bits 7-0): 255 (bit mask '11111111') Other mask values are also permitted.
MAC agentDiffServAuxMfClfrDstMac	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.14	MacAddress	read-create	Destination MAC address.
MAC agentDiffServAuxMfClfrDstMacMask	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.15	MacAddress	read-create	Destination MAC address mask value. This mask value identifies the portion of agentDiffServAuxMfClfrDstMac that is compared against a packet. A non-contiguous mask value is permitted. A mask of 0 indicates a match of any MAC address.
MAC agentDiffServAuxMfClfrSrcMac	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.16	MacAddress	read-create	Source MAC address.
MAC agentDiffServAuxMfClfrSrcMacMask	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.17	MacAddress	read-create	Source MAC address mask value. This mask value identifies the portion of agentDiffServAuxMfClfrSrcMac that is compared against a packet. A non-contiguous mask value is permitted. A mask of 0 indicates a match of any MAC address.
VLA agentDiffServAuxMfClfrVlanId	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.18	VlanIdOrAny	read-create	VLAN ID value for the classifier. A value of -1 indicates that a specific VLAN ID value has not been defined and thus all VLAN ID values are considered a match.
STO agentDiffServAuxMfClfrStorage	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.19	StorageType	read-create	The storage type for this conceptual row.
ROW agentDiffServAuxMfClfrStatus	1.3.6.1.4.1.4526.1.6.3.3.1.1.2.1.20	RowStatus	read-create	The status of this conceptual row.
agentDiffServAction	1.3.6.1.4.1.4526.1.6.3.3.1.2
agentDiffServCosMarkActTable	1.3.6.1.4.1.4526.1.6.3.3.1.2.2		not-accessible	This table enumerates specific Class of Service values used for marking or remarking the priority bits in the 802.1p header. The entries of this table may be referenced by a diffServActionSpecific attribute.
agentDiffServCosMarkActEntry	1.3.6.1.4.1.4526.1.6.3.3.1.2.2.1		not-accessible	An entry in the COS mark action table that describes a single Class of Service value used for marking.
COS agentDiffServCosMarkActCos	1.3.6.1.4.1.4526.1.6.3.3.1.2.2.1.1	Cos	read-only	The Class of Service value that this Action will store into the priority bits of the 802.1p header. It is quite possible that the only packets subject to this Action are already marked with this COS value. COS packet marking occurs upon egress from the network node.
agentDiffServIpPrecMarkActTable	1.3.6.1.4.1.4526.1.6.3.3.1.2.4		not-accessible	This table enumerates specific IP Precedence values used for marking or remarking the Precedence field of IP packets. The entries of this table may be referenced by a diffServActionSpecific attribute.
agentDiffServIpPrecMarkActEntry	1.3.6.1.4.1.4526.1.6.3.3.1.2.4.1		not-accessible	An entry in the IP Precedence mark action table that describes a single IP Precedence value used for marking.
IPP agentDiffServIpPrecMarkActPrecedence	1.3.6.1.4.1.4526.1.6.3.3.1.2.4.1.1	IpPrecedence	read-only	The IP Precedence that this Action will store into the Precedence field of the IP packet. It is quite possible that the only packets subject to this Action are already marked with this IP Precedence. Note also that Differentiated Services processing may result in a packet being marked on both ingress to a network and on egress from it, and that ingress and egress can occur in the same router.

RFC description

QoS DiffServ extensions for traffic classification, shaping, and priority management on network devices.

Start monitoring Netgear GSM7312 managed switch (DiffServ multi-field classifier extensions) 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 GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB

What Is GSM7312-QOS-DIFFSERV-EXTENSIONS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description