GBNL3-MIB

All MIBs › GBNL3-MIB

Organization: Greentech

Last Updated: 2001-04-12

Description: GBNL3-MIB module

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What Is GBNL3-MIB?

GBNL3-MIB is a Greentech (GBN switch platform) proprietary MIB configuring Layer 3 routing (subnet interfaces and static routes). Its objects cover logical-port count, router ID, routing protocol, OSPFv2-config flag, a subnet table (max/current rows, ifIndex, agent IP, mask, VLAN interface, name, row status) with a primary-IP sub-table, and static-host/subnet/route capacity and current-count counters with a static-route table. As a configuration MIB it lets an administrator confirm Layer 3 subnet-interface addressing and static-route/hardware-table capacity usage on a Greentech GBN switch. It is deployed on Greentech GBN switches. Engineers can download the GBNL3-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in GBNL3-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

Greentech GBN switches

Monitoring Examples

An administrator checks gbnL3IpSubnetTable and gbnL3IpStaticRouteCurrentRows to confirm subnet addressing and static-route capacity usage on a Greentech GBN switch.

What Can Be Monitored

Layer 3 subnet/static-route configuration and capacity

Imported Objects

From GBNL3If-MIB

gbnL3If

MODULE-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
MacAddress
RowStatus
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
gbnL3Mib	1.3.6.1.4.1.13464.1.2.5.1.1			GBN Generic Layer 3 MIB definition.
gbnL3IpMisc	1.3.6.1.4.1.13464.1.2.5.1.1.1
I32 gbnL3IpMiscNumLogicalPorts	1.3.6.1.4.1.13464.1.2.5.1.1.1.1	Integer32	read-only	The number of logical ports (i.e., L2/L3 hybrid Aggregators or L3 only interfaces). For GBN, this is normally equal to the number of physical ports.
IP gbnL3IpMiscRouterId	1.3.6.1.4.1.13464.1.2.5.1.1.1.2	IpAddress	read-write	the title of a router it is used when ospf is enable.
INT gbnL3IpMiscRoutingProtocol	1.3.6.1.4.1.13464.1.2.5.1.1.1.3	INTEGER	read-write	DURABLE: { none } The selected dynamic routing protocol. Note that static routing is still functional even when this object is set to none(1).
OCT gbnL3IpMiscOspfv2Config	1.3.6.1.4.1.13464.1.2.5.1.1.1.4	OCTET STRING	read-only	This object is used for retrieving the RFC1850 Open Shortest Path First version 2 (OSPFv2) nonvolatile (NVM) configuration data in an ASCII character string format.
gbnL3IpSubnet	1.3.6.1.4.1.13464.1.2.5.1.1.2
U32 gbnL3IpSubnetMaxRows	1.3.6.1.4.1.13464.1.2.5.1.1.2.1	Unsigned32	read-only	The maximum possible number of rows in the 'gbnL3IpSubnetTable'.
U32 gbnL3IpSubnetCurrentRows	1.3.6.1.4.1.13464.1.2.5.1.1.2.2	Unsigned32	read-only	The current number of rows in the 'gbnL3IpSubnetTable'.
gbnL3IpSubnetTable	1.3.6.1.4.1.13464.1.2.5.1.1.2.3		not-accessible	A table of subnet parameters. There is one entry available for each of the 'gbnL3IpSubnetMaxRows' supported IP subnets.
gbnL3IpSubnetEntry	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1		not-accessible	A list of subnet parameters.
I32 gbnL3IpSubnetIfIndex	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.1	Integer32	not-accessible	DURABLE: The ifIndex of the swEND driver associated with this subnet.
IP gbnL3IpSubnetAgentIpAddr	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.2	IpAddress	not-accessible	DURABLE: The network management station uses this IP Address to talk with the Agent on this subnet. This IP address logically AND'ed with 'gbnL3IpSubnetMask' yields the actual subnet value for this subnet.
IP gbnL3IpSubnetMask	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.3	IpAddress	read-create	DURABLE: The subnet mask for this subnet. It contains 1's in the bit positions for the net and subnet IDs and 0's in the bit positions for host ID. The 1's must be contiguous, starting with the left most bit.
I32 gbnL3IpSubnetVidIface	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.4	Integer32	read-create	DURABLE: { default=0:all } For a L2/L3 hybrid switch, this object contains the actual VLAN ID (VID) from 1 to 4094 or 0 if the VID is unassigned. For a L3 only switch, this object contains the actual switch interface from 1 to 4094 or 0 if unassigned. Changing this object for this row causes all rows with the same 'gbnL3IpSubnetIfIndex' as this row to be changed to this new 'gbnL3IpSubnetVidIface' value.
STR gbnL3IpSubnetName	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.5	DisplayString	read-create	DURABLE: { '':all ) A user reference name for this subnet.
ROW gbnL3IpSubnetRowStatus	1.3.6.1.4.1.13464.1.2.5.1.1.2.3.1.6	RowStatus	read-create	DURABLE: This object indicates the status of this entry. A row in this table must be created using the createAndWait(5) action state (i.e., createAndGo(4) is not supported). This object can only be set to active(1) after all objects for this row are valid. The 'gbnL3IpSubnetName' is optional. Note that the notInService(2) state is not supported. Objects in this table row can be changed when this object is notReady(3) or active(1).
gbnL3IpSubnetPrimaryIpTable	1.3.6.1.4.1.13464.1.2.5.1.1.2.4		not-accessible	��ip��ַ��
gbnL3IpSubnetPrimaryIpEntry	1.3.6.1.4.1.13464.1.2.5.1.1.2.4.1		not-accessible	��ip��ַ��
I32 gbnL3IpSubnetPrimaryIpIfIndex	1.3.6.1.4.1.13464.1.2.5.1.1.2.4.1.1	Integer32	not-accessible	�ӿڵ��
IP gbnL3IpSubnetPrimaryIpIpAddr	1.3.6.1.4.1.13464.1.2.5.1.1.2.4.1.2	IpAddress	read-create	�ӿڵ��ip��ַ��
gbnL3IpStatic	1.3.6.1.4.1.13464.1.2.5.1.1.3
U32 gbnL3IpStaticMaxHwHosts	1.3.6.1.4.1.13464.1.2.5.1.1.3.1	Unsigned32	read-only	The maximum number, if any, of hosts that the hardware can support in its routing table. Note that if the hardware supports both hosts and subnets in the same table, this number represents both and 'gbnL3IpStaticMaxHwSubnets' is zero (0).
U32 gbnL3IpStaticNumStaticHwHosts	1.3.6.1.4.1.13464.1.2.5.1.1.3.2	Unsigned32	read-write	DURABLE: The number of 'gbnL3IpStaticMaxHwHosts' hosts that the user would like to reserve for static routes. A SNMPv1 badValue or SNMPv2 wrongValue is returned if the user attempts to use a value less than zero or greater than 'gbnL3IpStaticMaxHwHosts'. WARNING: This value is only used during system initialization (i.e., after a reset).
U32 gbnL3IpStaticMaxHwSubnets	1.3.6.1.4.1.13464.1.2.5.1.1.3.3	Unsigned32	read-only	The maximum number, if any, of subnets that the hardware can support in its routing table. Note that if the hardware supports both hosts and subnets in the same table, this value is zero (0).
U32 gbnL3IpStaticNumStaticHwSubnets	1.3.6.1.4.1.13464.1.2.5.1.1.3.4	Unsigned32	read-write	DURABLE: The number of 'gbnL3IpStaticMaxHwSubnets' subnets that the user would like to reserve for static routes. An A SNMPv1 badValue or SNMPv2 wrongValue is returned if the user attempts to use a value less than zero or greater than 'gbnL3IpStaticMaxHwSubnets'. WARNING: This value is only used during system initialization (i.e., after a reset).
U32 gbnL3IpStaticRouteMaxRows	1.3.6.1.4.1.13464.1.2.5.1.1.3.5	Unsigned32	read-only	The maximum possible number of rows in the 'gbnL3IpStaticRouteTable'.
U32 gbnL3IpStaticRouteCurrentRows	1.3.6.1.4.1.13464.1.2.5.1.1.3.6	Unsigned32	read-only	The current number of rows in the 'gbnL3IpStaticRouteTable'.
gbnL3IpStaticRouteTable	1.3.6.1.4.1.13464.1.2.5.1.1.3.7		not-accessible	A table of static routes.
gbnL3IpStaticRouteEntry	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1		not-accessible	A list of static route parameters.
IP gbnL3IpStaticDestIpAddr	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.1	IpAddress	not-accessible	DURABLE: The static route host or subnet IP destination address. All IP destination addresses must be non-zero.
IP gbnL3IpStaticMask	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.2	IpAddress	read-create	DURABLE: The mask for this IP destination. It contains 1's in the bit positions for the net and subnet IDs and 0's in the bit positions for host ID. The 1's must be contiguous, starting with the left most bit. Note that a host route uses a 255.255.255.255 mask.
IP gbnL3IpStaticNextHop	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.3	IpAddress	read-create	The IP address of the next hop of this route. (In the case of a route bound to an interface which is realized via a broadcast media, the value of this field is the agent's IP address on that interface.)
STR gbnL3IpStaticName	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.4	DisplayString	read-create	DURABLE: { '':all ) A user reference name for this Static Route.
T/F gbnL3IpStaticUseHw	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.5	TruthValue	read-create	DURABLE: { false:all ) By setting this object to true(1), the user indicates the desire to use hardware routing for this entry. To disable hardware routing for this entry, set this object to false(2). If the underlying switch fabric does not support hardware routing, this object is ignored. There is usually limited space in the hardware routing table. Consequently, if the user enables hardware routing on 'too' many entries, the agent assigns routes on a first come, first serve basis (i.e., the user may not get the expected results).
T/F gbnL3IpStaticInHw	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.6	TruthValue	read-only	If this object is true(1), this static route is actually in the hardware Route Table. Otherwise it is false(2).
T/F gbnL3IpStaticGateway	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.7	TruthValue	read-create	DURABLE: { false:all ) By setting this object to true(1), the user indicates that this subnet route is a gateway route (i.e., connected to external router). By setting it to false(2), the user indicates that this is a direct route. If 'gbnL3IpStaticMask' is '255.255.255.255' (i.e., a host route) for this entry, this object cannot be set to true(1).
ROW gbnL3IpStaticRowStatus	1.3.6.1.4.1.13464.1.2.5.1.1.3.7.1.8	RowStatus	read-create	DURABLE: This object indicates the status of this entry. A row in this table must be created using the createAndWait(5) action state (i.e., createAndGo(4) is not supported). This object can only be set to active(1) after all objects for this row are valid. The 'gbnL3IpStaticName' is optional. Note that the notInService(2) state is not supported. Objects in this table row can be changed when this object is notReady(3) or active(1).
gbnL3IpDynamic	1.3.6.1.4.1.13464.1.2.5.1.1.4
U32 gbnL3IpDynamicRouteCurrentRows	1.3.6.1.4.1.13464.1.2.5.1.1.4.1	Unsigned32	read-only	The current number of rows in the 'gbnL3IpDynamicRouteTable'.
gbnL3IpDynamicRouteTable	1.3.6.1.4.1.13464.1.2.5.1.1.4.2		not-accessible	A table of dynamic routes generated by RIP, OSPF, other routing protocols, and by the TCP/IP stack when creating host routes for existing subnets.
gbnL3IpDynamicRouteEntry	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1		not-accessible	A list of dynamic route parameters.
IP gbnL3IpDynamicDestIpAddr	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.1	IpAddress	not-accessible	The dynamic route host or subnet IP destination address. All IP destination addresses must be non-zero.
IP gbnL3IpDynamicMask	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.2	IpAddress	read-create	The mask for this IP destination. It contains 1's in the bit positions for the net and subnet IDs and 0's in the bit positions for host ID. The 1's must be contiguous, starting with the left most bit. Note that a host route uses a 255.255.255.255 mask.
IP gbnL3IpDynamicNextHop	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.3	IpAddress	read-create	The IP address of the next hop of this route. (In the case of a route bound to an interface which is realized via a broadcast media, the value of this field is the agent's IP address on that interface.)
STR gbnL3IpDynamicName	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.4	DisplayString	read-create	A user reference name for this Dynamic Route.
T/F gbnL3IpDynamicUseHw	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.5	TruthValue	read-create	By setting this object to true(1), the user indicates the desire to use hardware routing for this entry. To disable hardware routing for this entry, set this object to false(2). If the underlying switch fabric does not support hardware routing, this object is ignored. There is usually limited space in the hardware routing table. Consequently, if the user enables hardware routing on 'too' many entries, the agent assigns routes on a first come, first serve basis (i.e., the user may not get the expected results).
T/F gbnL3IpDynamicInHw	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.6	TruthValue	read-only	If this object is true(1), this dynamic route is actually in the hardware Route Table. Otherwise it is false(2).
T/F gbnL3IpDynamicGateway	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.7	TruthValue	read-create	By setting this object to true(1), the user indicates that this subnet route is a gateway route (i.e., connected to external router). By setting it to false(2), the user indicates that this is a direct route. If 'gbnL3IpDynamicMask' is '255.255.255.255' (i.e., a host route) for this entry, this object cannot be set to true(1).
ROW gbnL3IpDynamicRowStatus	1.3.6.1.4.1.13464.1.2.5.1.1.4.2.1.8	RowStatus	read-create	This object indicates the status of this entry. A row in this table must be created using the createAndWait(5) action state (i.e., createAndGo(4) is not supported). This object can only be set to active(1) after all objects for this row are valid. The 'gbnL3IpDynamicName' is optional. Note that the notInService(2) state is not supported. Objects in this table row can be changed when this object is notReady(3) or active(1).
gbnL3IpRoute	1.3.6.1.4.1.13464.1.2.5.1.1.5
U32 gbnL3IpRouteTableCurrentSwEntries	1.3.6.1.4.1.13464.1.2.5.1.1.5.1	Unsigned32	read-only	The number of current entries in the software Routing Table.
U32 gbnL3IpRouteCurrentHwHosts	1.3.6.1.4.1.13464.1.2.5.1.1.5.2	Unsigned32	read-only	The number of hardware host routing table entries currently in use. If the hardware does not have routing table support, this value is zero (0). If the hardware supports both hosts and subnets in the same table, this number represents both and 'gbnL3IpRouteCurrentHwSubnets' is zero (0).
U32 gbnL3IpRouteCurrentHwSubnets	1.3.6.1.4.1.13464.1.2.5.1.1.5.3	Unsigned32	read-only	The number of hardware subnet routing table entries currently in use. If the hardware does not have routing table support, this value is zero (0). Note that if the hardware supports both hosts and subnets in the same table, this value is zero (0).
gbnL3IpRouteTable	1.3.6.1.4.1.13464.1.2.5.1.1.5.4		not-accessible	Provides Routing Table access. This table can be used to modify or add Routing Table entries. Changes made with this table are not saved to NVM (nonvolatile memory). To save static routes to NVM, use the gbnL3IpStaticRouteTable.
gbnL3IpRouteEntry	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1		not-accessible	Provides enough routing information to support the UNIX style 'netstat -nr' command and to support maintenance of the Routing Table.
IP gbnL3IpRouteDest	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.1	IpAddress	not-accessible	The destination IP address of this route. An entry with a value of 0.0.0.0 is considered a default route. Multiple routes to a single destination can appear in the table, but access to such multiple entries is dependent on the table- access mechanisms defined by the network management protocol in use.
IP gbnL3IpRouteMask	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.2	IpAddress	read-create	Indicate the mask to be logical-ANDed with the destination address before being compared to the value in the gbnL3IpRouteDest field. If the value of the gbnL3IpRouteDest is 0.0.0.0 (a default route), then the mask value is also 0.0.0.0. It should be noted that all IP routing subsystems implicitly use this mechanism.
IP gbnL3IpRouteNextHopIp	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.3	IpAddress	read-create	The IP address of the next hop of this route. (In the case of a route bound to an interface which is realized via a broadcast media, the value of this field is the agent's IP address on that interface.)
MAC gbnL3IpRouteNextHopMac	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.4	MacAddress	read-only	The six byte MAC address of the next hop of this route. If the underlying hardware does not support this object, an octet string of zero length is returned.
I32 gbnL3IpRouteIfIndex	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.5	Integer32	read-only	The index value which uniquely identifies the local interface through which the next hop of this route should be reached. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.
INT gbnL3IpRouteType	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.6	INTEGER	read-create	The type of route. Note that the values direct(3) and indirect(4) refer to the notion of direct and indirect routing in the IP architecture. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the gbnL3IpRouteTable object. That is, it effectively disassociates the destination identified with said entry from the route identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that corresponds to entries not currently in use. Proper interpretation of such entries requires examination of the relevant gbnL3IpRouteType object.
INT gbnL3IpRouteProto	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.7	INTEGER	read-only	The routing mechanism via which this route was learned. Inclusion of values for gateway routing protocols is not intended to imply that hosts should support those protocols.
U32 gbnL3IpRouteAge	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.8	Unsigned32	read-only	The number of seconds since this route was last updated or otherwise determined to be correct. Note that no semantics of `too old' can be implied except through knowledge of the routing protocol by which the route was learned.
I32 gbnL3IpRouteMetric1	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.9	Integer32	read-only	The primary routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's gbnL3IpRouteProto value. If this metric is not used, its value should be set to -1.
T/F gbnL3IpRouteUsingHw	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.10	TruthValue	read-only	This object is true(1) if this route is contained in the hardware routing table; otherwise, it is false(2).
T/F gbnL3IpRouteIsStatic	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.11	TruthValue	read-only	This object is true(1) if this route is defined in the 'gbnL3IpStaticRouteTable'. This object is false(2) if this route was created dynamically (e.g., with RIP, OSPF) or was manually created using this table ('gbnL3IpRouteTable') or the RFC1213 'ipRouteTable'.
U32 gbnL3IpRouteFlags	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.12	Unsigned32	read-only	Not implemented. Returns '0'. Contains the information required for a netstat-like 'Flags' field. The flags field represents a decimal value of the flags specified for a given route. The following is a list of currently available flag values: 0x1 \| - route is usable (that is, 'up') 0x2 \| - destination is a gateway 0x4 \| - host specific routing entry 0x8 \| - host or net unreachable 0x10 \| - created dynamically (by redirect) 0x20 \| - modified dynamically (by redirect) 0x40 \| - message confirmed 0x80 \| - subnet mask present 0x100 \| - generate new routes on use 0x200 \| - external daemon resolves name 0x400 \| - generated by ARP 0x800 \| - manually added (static) 0x1000 \| - just discard packets (during updates) 0x2000 \| - modified by management protocol 0x4000 \| - protocol specific routing flag 0x8000 \| - protocol specific routing flag For example, if the entry in the Routing Table has a flag value of decimal 5, (0x1 OR'ed with 0x4), then this route is 'up' and usable and is host-specific.
G32 gbnL3IpRouteRef	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.13	Gauge32	read-only	Not implemented. Returns '0'. Contains the information required for the netstat 'Ref' field, which indicates the number active uses for this route.
C32 gbnL3IpRouteUse	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.14	Counter32	read-only	Not implemented. Returns '0'. Contains the information required for the netstat 'Use' field, which indicates the number of packets sent with this route.
ROW gbnL3IpRouteRowStatus	1.3.6.1.4.1.13464.1.2.5.1.1.5.4.1.15	RowStatus	read-create	This object indicates the status of this entry. A row in this table must be created using the createAndWait(5) action state (i.e., createAndGo(4) is not supported). This object can only be set to active(1) for the specified 'gbnL3IpRouteDest' index value after the 'gbnL3IpRouteMask' and 'gbnL3IpRouteNextHop' objects for this row are valid. Setting 'gbnL3IpRouteType' is optional. Note that the notInService(2) state is not supported. Objects in this table row can be changed when this object is notReady(3) or active(1).
gbnL3MibConformance	1.3.6.1.4.1.13464.1.2.5.1.1.6
gbnL3MibGroups	1.3.6.1.4.1.13464.1.2.5.1.1.6.1
gbnL3IpMiscGroup	1.3.6.1.4.1.13464.1.2.5.1.1.6.1.1			This group configures and retrieves global, miscellaneous L3 objects.
gbnL3IpSubnetGroup	1.3.6.1.4.1.13464.1.2.5.1.1.6.1.2			This group configures and retrieves IP subnet objects.
gbnL3IpStaticGroup	1.3.6.1.4.1.13464.1.2.5.1.1.6.1.3			This group configures and retrieves IP static routes.
gbnL3IpDynamicGroup	1.3.6.1.4.1.13464.1.2.5.1.1.6.1.4			This group configures and retrieves IP static routes.
gbnL3IpRouteGroup	1.3.6.1.4.1.13464.1.2.5.1.1.6.1.5			This group configures and retrieves IP routing info.
gbnL3MibCompliances	1.3.6.1.4.1.13464.1.2.5.1.1.6.2
gbnL3MibCompliance	1.3.6.1.4.1.13464.1.2.5.1.1.6.2.1			The compliance statement.

RFC description

Generic Layer 3 MIB for managing IP routing, subnets, and network interfaces.

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Download GBNL3-MIB

What Is GBNL3-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description