All MIBs › IEEE8021-SPB-MIB
Organization: IEEE 802.1 Working Group
Last Updated: 2018-06-28
Category: Standard: IEEE 802, Technology: Switching/L2, VLAN and Bridging
Description:
IEEE 802.1 MIB for Shortest Path Bridging (802.1aq) managing IS-IS based shortest path forwarding in Ethernet networks.
Imported Objects
From IEEE8021-BRIDGE-MIB
| ieee8021BridgeBasePort | OBJECT-TYPE |
From IEEE8021-CFM-MIB
| dot1agCfmMaIndex | OBJECT-TYPE |
| dot1agCfmMdIndex | OBJECT-TYPE |
| dot1agCfmMepEntry | OBJECT-TYPE |
From IEEE8021-TC-MIB
| IEEE8021BridgePortNumber | |
| IEEE8021PbbIngressEgress | |
| IEEE8021PbbServiceIdentifier | |
| IEEE8021PbbTeEsp | |
| ieee802dot1mibs | OBJECT-IDENTITY |
From IF-MIB
| InterfaceIndexOrZero |
From Q-BRIDGE-MIB
| VlanId | |
| VlanIdOrAny | |
| VlanIdOrNone |
From SNMP-FRAMEWORK-MIB
| SnmpAdminString |
From SNMPv2-CONF
| MODULE-COMPLIANCE | |
| OBJECT-GROUP |
From SNMPv2-SMI
| Integer32 | |
| MODULE-IDENTITY | |
| OBJECT-TYPE | |
| Unsigned32 |
From SNMPv2-TC
| MacAddress | |
| RowStatus | |
| TEXTUAL-CONVENTION | |
| TruthValue |
What Is IEEE8021-SPB-MIB?
IEEE8021-SPB-MIB is the IEEE standards-track MIB for 802.1aq Shortest Path Bridging, a technology that uses IS-IS link-state routing to compute loop-free shortest paths across an Ethernet fabric instead of traditional spanning tree. It exposes system-level identity and configuration for the SPB control plane, including IS-IS system ID/area address, bridge priority, and mode settings for both SPBM (MAC-based) and SPBV (VLAN-based) variants, plus per-topology (MTID) static configuration tables. Its primary monitoring value is operational/protocol-state visibility -- confirming a bridge's SPB mode, digest convention, and shortest-path source ID are correctly configured and consistent with its neighbors -- rather than hardware health metrics like temperature or power. It depends inherently on IS-IS routing concepts and is meant to be used alongside standard 802.1Q bridging MIBs on the same device. Because these values change only when the fabric is reconfigured rather than continuously, IEEE8021-SPB-MIB SNMP polling is typically scheduled at longer intervals than interface counters, and the module is deployed in carrier and data-center Ethernet fabrics built on SPB-capable switches from vendors implementing the 802.1aq standard.
IPNetwork Monitor allows you to monitor SNMP objects defined in IEEE8021-SPB-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.
What Can Be Monitored
- IS-IS system ID and area address
- bridge priority
- SPBM/SPBV mode configuration
- shortest-path source ID
- static MTID topology configuration
- digest convention setting
Supported Devices
- vendor-neutral, standards-based MIB, not tied to a specific manufacturer
- 802.1aq Shortest Path Bridging-capable Ethernet switch
Monitoring Examples
An operator would check ieee8021SpbSysId and ieee8021SpbSysAreaAddress to confirm a bridge's IS-IS identity is correctly provisioned within the SPB region, and compare ieee8021SpbmSysMode/ieee8021SpbvSysMode across bridges to catch a device accidentally left in the wrong SPB variant. The ieee8021SpbMtidStaticTable/ieee8021SpbMtidStaticTableEntry rows, keyed by ieee8021SpbMtidStaticEntryMtid, let an admin verify which multiple spanning tree instances (topologies) are statically configured on a given bridge, useful when troubleshooting asymmetric forwarding paths in the fabric.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| ieee8021SpbMib | 1.3.111.2.802.1.1.26 | 802.1 SPB MIB | ||
| ieee8021SpbObjects | 1.3.111.2.802.1.1.26.1 | |||
| ieee8021SpbSys | 1.3.111.2.802.1.1.26.1.1 | |||
| ADR ieee8021SpbSysAreaAddress | 1.3.111.2.802.1.1.26.1.1.1 | IEEE8021SpbAreaAddress | read-write | The three byte IS-IS Area Address to join. Normally SPB will use area 00:00:00 however if SPB is being used in conjunction with IPV4/V6 it can operate using the IS-IS area address already in use. This object is persistent. |
| MAC ieee8021SpbSysId | 1.3.111.2.802.1.1.26.1.1.2 | MacAddress | read-write | SYS ID used for all SPB instances on this bridge. A six byte network wide unique identifier. This is defaulted to the Bridge Address initially but can be overridden. This object is persistent. |
| MAC ieee8021SpbSysControlAddr | 1.3.111.2.802.1.1.26.1.1.3 | MacAddress | read-write | Group MAC that the ISIS control plane will use. SPB can use a number of different addresses for SPB Hello and LSP exchange. Section 27.2, 8.13.5.1 and Table 8-16 cover the different choices. The choices are as follows: 01:80:C2:00:00:14 = All Level 1 Intermediate Systems 01:80:C2:00:00:15 = All Level 2 Intermediate Systems 09:00:2B:00:00:05 = All Intermediate Systems. 01:80:C2:00:00:2E = All Provider Bridge Intermediate Systems. 01:80:C2:00:00:2F = All Customer Bridge Intermediate Systems. This object is persistent. |
| STR ieee8021SpbSysName | 1.3.111.2.802.1.1.26.1.1.4 | SnmpAdminString | read-only | Name to be used to refer to this SPB bridge. This is advertised in IS-IS and used for management. |
| IEE ieee8021SpbSysBridgePriority | 1.3.111.2.802.1.1.26.1.1.5 | IEEE8021SpbBridgePriority | read-only | This is a 16 bit quantity which ranks this SPB Bridge relative to others when breaking ties. This priority is the high 16 bits of the Bridge Identifier. Its impact depends on the tie breaking algorithm. Recommend values 0..15 be assigned to core switches to ensure diversity of the ECT Algorithms. |
| IEE ieee8021SpbmSysSPSourceId | 1.3.111.2.802.1.1.26.1.1.6 | IEEE8021SpbmSPsourceId | read-write | The Shortest Path Source Identifier. It is the high order 3 bytes for Group Address DA from this bridge. Note that only the 20 bits not including the top 4 bits are the SPSourceID. This object is persistent. |
| IEE ieee8021SpbvSysMode | 1.3.111.2.802.1.1.26.1.1.7 | IEEE8021SpbMode | read-write | Indication of supporting SPBV mode auto(=1)/manual(=2) auto => auto allocate SPVIDs. manual => manually assign SPVIDs. This object is persistent. |
| IEE ieee8021SpbmSysMode | 1.3.111.2.802.1.1.26.1.1.8 | IEEE8021SpbMode | read-write | Indication of supporting SPBM mode auto(=1)/manual(=2) auto => enable SPBM mode and auto allocate SPsourceID. manual => enable SPBM mode and manually assign SPsourceID. This object is persistent. |
| IEE ieee8021SpbSysDigestConvention | 1.3.111.2.802.1.1.26.1.1.9 | IEEE8021SpbDigestConvention | read-write | The Agreement Digest convention setting off(=1)/loopFreeBoth(=2)/loopFreeMcastOnly(=3) off => disable agreement digest checking in hellos loopFreeBoth => block unsafe group and individual traffic when digests disagree. loopFreeMcastOnly =>block unsafe group traffic when digests disagree. This object is persistent. |
| ieee8021SpbMtidStaticTable | 1.3.111.2.802.1.1.26.1.2 | not-accessible | A Table of multiple logical topologies - MT. | |
| ieee8021SpbMtidStaticTableEntry | 1.3.111.2.802.1.1.26.1.2.1 | not-accessible | This table configures a MTID to a topology index. A topology index uniquely identifies a specific ISIS topology enabling multiple instances or multiple MTIDs within an instance. | |
| IEE ieee8021SpbMtidStaticEntryMtid | 1.3.111.2.802.1.1.26.1.2.1.1 | IEEE8021SpbMTID | not-accessible | ISIS Multi Topology Identifier MTID Each MTID defines logical topology and is used to enable multiple SPB instances within one ISIS instance. |
| T/F ieee8021SpbMTidStaticEntryMtidOverload | 1.3.111.2.802.1.1.26.1.2.1.2 | TruthValue | read-create | When set for this logical topology this bridge can only originate or terminate traffic. It cannot transit SPB encapsulated traffic. This is the IS-IS overload feature specific to an SPB IS-IS MTID logical topology. This object is persistent. |
| ROW ieee8021SpbMtidStaticEntryRowStatus | 1.3.111.2.802.1.1.26.1.2.1.3 | RowStatus | read-create | The object indicates the status of an entry, and is used to create/delete entries. This object is persistent. This object is persistent. |
| IEE ieee8021SpbTopIx | 1.3.111.2.802.1.1.26.1.2.1.4 | IEEE8021SpbMTID | not-accessible | Unique identifier of this SPB topology This is index is allocated for this ISIS/MT instance. It is used as an index to most other SPB tables below and to select the exact ISIS instance and the MT instance together. |
| ieee8021SpbTopIxDynamicTable | 1.3.111.2.802.1.1.26.1.3 | not-accessible | This table is for SPB dynamic information. The dynamic information that is sent in this bridges Hellos. | |
| ieee8021SpbTopIxDynamicTableEntry | 1.3.111.2.802.1.1.26.1.3.1 | not-accessible | This table displays the digest information computed for this bridge. A bridge configures this information in MTID 0 only. | |
| IEE ieee8021SpbTopIxDynamicEntryTopIx | 1.3.111.2.802.1.1.26.1.3.1.1 | IEEE8021SpbMTID | not-accessible | ISIS-SPB Topology Index identifier Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| IEE ieee8021SpbTopIxDynamicEntryAgreeDigest | 1.3.111.2.802.1.1.26.1.3.1.2 | IEEE8021SpbDigest | read-only | The topology agreement digest value. Digest of all topology information, as in clause 28.4. |
| IEE ieee8021SpbTopIxDynamicEntryMCID | 1.3.111.2.802.1.1.26.1.3.1.3 | IEEE8021SpbMCID | read-only | The MST Identifier MCID. The MCID is a digest of the VID to MSTID configuration table which determines the Base VIDs enabled for SPBV and SPBM. |
| IEE ieee8021SpbTopIxDynamicEntryAuxMCID | 1.3.111.2.802.1.1.26.1.3.1.4 | IEEE8021SpbMCID | read-only | The aux MST Identifier for migration. Either MCID or AuxMCID has to match for adjacency to form. |
| ieee8021SpbEctStaticTable | 1.3.111.2.802.1.1.26.1.4 | not-accessible | The Equal Cost Tree (ECT) static configuration table. | |
| ieee8021SpbEctStaticTableEntry | 1.3.111.2.802.1.1.26.1.4.1 | not-accessible | The Equal Cost Tree static configuration Table defines the ECT-ALGORITHM for the Base VID and if SPBV is used for the SPVID. | |
| IEE ieee8021SpbEctStaticEntryTopIx | 1.3.111.2.802.1.1.26.1.4.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| VLA ieee8021SpbEctStaticEntryBaseVid | 1.3.111.2.802.1.1.26.1.4.1.2 | VlanIdOrAny | not-accessible | Base VID to use for this ECT-ALGORITHM. Traffic B-VID (SPBM) or Management VID (SPBV). A Base VID value of 4095 is a wildcard for any Base VID assigned to SPB operation. |
| IEE ieee8021SpbEctStaticEntryEctAlgorithm | 1.3.111.2.802.1.1.26.1.4.1.3 | IEEE8021SpbEctAlgorithm | read-create | This identifies the method and the algorithm used to determine the active topology. The standard ECT Algorithm values are specified by Table 28-1, Table 44-1, and Table 45-1. Table 28-1 values identify the tie-breaking algorithms used in Shortest Path Tree computation; values range from 00-80-c2-01 to 00-80-c2-10. Table 44-1 values (00-80-c2-11 and 00-80-c2-12) identify ECMP operations. Table 45-1 values identify explicit path control; values are 00-80-c2-17, 00-80-c2-18, 00-80-c2-19, and the range from 00-80-c2-21 to 00-80-c2-40. The default is 00-80-c2-01, which is the LowPATHID from Table 28-1. This object is persistent. |
| VLA ieee8021SpbvEctStaticEntrySpvid | 1.3.111.2.802.1.1.26.1.4.1.4 | VlanIdOrNone | read-create | If SPBV mode this is the VID originating from this bridge. This input is ignored if ieee8021SpbvSysMode is auto(1), but the output always returns the SPVID in use. Otherwise in SPBM this is empty, should be set = 0. This object is persistent. |
| ROW ieee8021SpbEctStaticEntryRowStatus | 1.3.111.2.802.1.1.26.1.4.1.5 | RowStatus | read-create | The object indicates the status of an entry, and is used to create/delete entries. This object is persistent. |
| ieee8021SpbEctDynamicTable | 1.3.111.2.802.1.1.26.1.5 | not-accessible | A table containing Data about the ECT behavior on this bridge | |
| ieee8021SpbEctDynamicTableEntry | 1.3.111.2.802.1.1.26.1.5.1 | not-accessible | This table can be used to check that neighbor bridges are using the same ECT Algorithm. | |
| IEE ieee8021SpbEctDynamicEntryTopIx | 1.3.111.2.802.1.1.26.1.5.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| VLA ieee8021SpbEctDynamicEntryBaseVid | 1.3.111.2.802.1.1.26.1.5.1.2 | VlanId | not-accessible | The Base VID being queried. Base VID define the mode in the VID to MSTID table. |
| IEE ieee8021SpbEctDynamicEntryMode | 1.3.111.2.802.1.1.26.1.5.1.3 | IEEE8021SpbEctMode | read-only | The Operating mode of this Base VID. SPBM (=2), SPBV (=3), or disabled or none (1). |
| T/F ieee8021SpbEctDynamicEntryLocalUse | 1.3.111.2.802.1.1.26.1.5.1.4 | TruthValue | read-only | This value indicates the ECT is in use locally (True/False) for this Base Vid. ECTs can be defined before services are assigned. |
| T/F ieee8021SpbEctDynamicEntryRemoteUse | 1.3.111.2.802.1.1.26.1.5.1.5 | TruthValue | read-only | This value indicates the remote ECT is in use (True/False) for this Base Vid. ECTs can be defined before services are assigned. |
| U32 ieee8021SpbEctDynamicEntryIngressCheckDiscards | 1.3.111.2.802.1.1.26.1.5.1.6 | Unsigned32 | read-only | The number of ingress check failures on this ECT VID. This is referred to as the ingress check, and this counter increments whenever a packet is discarded for this VID because it has not come from an interface which is on the shortest path to its SA or because it is not upstream for the individual DA if relaxed ingress checking is applied. |
| ieee8021SpbAdjStaticTable | 1.3.111.2.802.1.1.26.1.6 | not-accessible | A table containing the SPB configuration data for a neighbor | |
| ieee8021SpbAdjStaticTableEntry | 1.3.111.2.802.1.1.26.1.6.1 | not-accessible | This table can be used to display the interfaces and metrics of a neighbor bridge. | |
| IEE ieee8021SpbAdjStaticEntryTopIx | 1.3.111.2.802.1.1.26.1.6.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| NUM ieee8021SpbAdjStaticEntryIfIndex | 1.3.111.2.802.1.1.26.1.6.1.2 | InterfaceIndexOrZero | not-accessible | The System interface/index which defines this adjacency. A value of 0 is a wildcard for any interface on which SPB Operation is supported. |
| IEE ieee8021SpbAdjStaticEntryMetric | 1.3.111.2.802.1.1.26.1.6.1.3 | IEEE8021SpbLinkMetric | read-create | The ieee8021Spb metric (incremental cost) to this peer. The contribution of this link to total path cost. Recommended values are inversely proportional to link speed. Range is (1..16777215) where 16777215 (0xFFFFFF) is infinity; infinity signifies that the adjacency is UP, but is not to be used for traffic. This object is persistent. |
| IEE ieee8021SpbAdjStaticEntryIfAdminState | 1.3.111.2.802.1.1.26.1.6.1.4 | IEEE8021SpbAdjState | read-create | The administrative state of this interface/port. Up is the default. This object is persistent. |
| ROW ieee8021SpbAdjStaticEntryRowStatus | 1.3.111.2.802.1.1.26.1.6.1.5 | RowStatus | read-create | The object indicates the status of an entry, and is used to create/delete entries. This object is persistent. |
| ieee8021SpbAdjDynamicTable | 1.3.111.2.802.1.1.26.1.7 | not-accessible | The SPB neighbor dynamic information table. | |
| ieee8021SpbAdjDynamicTableEntry | 1.3.111.2.802.1.1.26.1.7.1 | not-accessible | This table is used to determine operational values of digests and interfaces of neighbor bridges. | |
| IEE ieee8021SpbAdjDynamicEntryTopIx | 1.3.111.2.802.1.1.26.1.7.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| NUM ieee8021SpbAdjDynamicEntryIfIndex | 1.3.111.2.802.1.1.26.1.7.1.2 | InterfaceIndexOrZero | not-accessible | System interface/index which defines this adjacency A value of 0 is a wildcard for any interface on which SPB Operation is enabled. |
| MAC ieee8021SpbAdjDynamicEntryPeerSysId | 1.3.111.2.802.1.1.26.1.7.1.3 | MacAddress | not-accessible | The SPB System Identifier of this peer. This is used to identify a neighbor uniquely. |
| IEE ieee8021SpbAdjDynamicEntryPort | 1.3.111.2.802.1.1.26.1.7.1.4 | IEEE8021BridgePortNumber | read-only | The port number to reach this adjacency. |
| IEE ieee8021SpbAdjDynamicEntryIfOperState | 1.3.111.2.802.1.1.26.1.7.1.5 | IEEE8021SpbAdjState | read-only | The operational state of this port. up, down or testing (in test). |
| STR ieee8021SpbAdjDynamicEntryPeerSysName | 1.3.111.2.802.1.1.26.1.7.1.6 | SnmpAdminString | read-only | IS-IS system name of peer. This is the ASCII name assigned to the bridge to aid management. It is the same as the ieee8021SpbSysName. |
| IEE ieee8021SpbAdjDynamicEntryPeerAgreeDigest | 1.3.111.2.802.1.1.26.1.7.1.7 | IEEE8021SpbDigest | read-only | The peer topology agreement digest value (all of the elements defined in 28.4). If it does not match this bridge's digest it indicates loss of synchronization. |
| IEE ieee8021SpbAdjDynamicEntryPeerMCID | 1.3.111.2.802.1.1.26.1.7.1.8 | IEEE8021SpbMCID | read-only | The peer MST Identifier MCID. The MCID is a digest of the VID to MSTID configuration table which determines the Base VIDs enabled for SPBV and SPBM. |
| IEE ieee8021SpbAdjDynamicEntryPeerAuxMCID | 1.3.111.2.802.1.1.26.1.7.1.9 | IEEE8021SpbMCID | read-only | The peer auxiliary MST Identifier. This MCID is used for migration. |
| U32 ieee8021SpbAdjDynamicEntryLocalCircuitID | 1.3.111.2.802.1.1.26.1.7.1.10 | Unsigned32 | read-only | The value used by IS-IS to identify this adjacency locally. |
| U32 ieee8021SpbAdjDynamicEntryPeerLocalCircuitID | 1.3.111.2.802.1.1.26.1.7.1.11 | Unsigned32 | read-only | The value used by peer IS-IS to identify this adjacency remotely. |
| U32 ieee8021SpbAdjDynamicEntryPortIdentifier | 1.3.111.2.802.1.1.26.1.7.1.12 | Unsigned32 | read-only | The value for this bridge which has been selected by IS-IS to form this adjacency if there is more than 1 candidate link. |
| U32 ieee8021SpbAdjDynamicEntryPeerPortIdentifier | 1.3.111.2.802.1.1.26.1.7.1.13 | Unsigned32 | read-only | The value for peer port Identifier selected by IS-IS to form this adjacency if there is more than 1 candidate link. |
| U32 ieee8021SpbAdjDynamicEntryIsisCircIndex | 1.3.111.2.802.1.1.26.1.7.1.14 | Unsigned32 | read-only | The isisCircTable reference. This allows cross referencing to an IS-IS MIB. |
| ieee8021SpbTopNodeTable | 1.3.111.2.802.1.1.26.1.8 | not-accessible | Table of network specific bridge information. | |
| ieee8021SpbTopNodeTableEntry | 1.3.111.2.802.1.1.26.1.8.1 | not-accessible | This table is used to display system level information about bridges in the network. | |
| IEE ieee8021SpbTopNodeEntryTopIx | 1.3.111.2.802.1.1.26.1.8.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| MAC ieee8021SpbTopNodeEntrySysId | 1.3.111.2.802.1.1.26.1.8.1.2 | MacAddress | not-accessible | The IS-IS System ID of a bridge in the SPB LSP database and hence the network. A value of 0 is a wildcard for all System identifiers. |
| IEE ieee8021SpbTopNodeEntryBridgePriority | 1.3.111.2.802.1.1.26.1.8.1.3 | IEEE8021SpbBridgePriority | read-only | The Bridge Priority of the bridge in the LSP database. This is a 16 bit quantity which ranks this SPB Bridge relative to others when breaking ties. This priority is the high 16 bits of the Bridge Identifier. Its impact depends on the tie breaking algorithm. Recommend values 0..15 be assigned to core switches to ensure diversity of the ECT Algorithms. |
| IEE ieee8021SpbmTopNodeEntrySPsourceID | 1.3.111.2.802.1.1.26.1.8.1.4 | IEEE8021SpbmSPsourceId | read-only | The Shortest Path Source Identifier. It is the high order 3 bytes for Group Address DA from this bridge. Note that only the 20 bits not including the top 4 bits are the SPSourceID. |
| STR ieee8021SpbTopNodeEntrySysName | 1.3.111.2.802.1.1.26.1.8.1.5 | SnmpAdminString | read-only | The System Name. A Human readable name of this bridge This is used to aid in management and is used in place of the System identifier in many commands and displays. |
| ieee8021SpbTopEctTable | 1.3.111.2.802.1.1.26.1.9 | not-accessible | Table of all ECT use in the network | |
| ieee8021SpbTopEctTableEntry | 1.3.111.2.802.1.1.26.1.9.1 | not-accessible | This table lists bridges and the ECT Algorithms configured and in use. | |
| IEE ieee8021SpbTopEctEntryTopIx | 1.3.111.2.802.1.1.26.1.9.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| MAC ieee8021SpbTopEctEntrySysId | 1.3.111.2.802.1.1.26.1.9.1.2 | MacAddress | not-accessible | The system ID which is using a particular ECT. A value of 0 is a wildcard for all System identifiers. |
| VLA ieee8021SpbTopEctEntryBaseVid | 1.3.111.2.802.1.1.26.1.9.1.3 | VlanIdOrAny | not-accessible | Base VID related to this algorithm. In the case of SPBM this is the B-VID that carries traffic for this ECT-ALGORITHM. In the case of SPBV this is the Base-VID used for management. A Base VID value of 4095 is a wildcard for any Base VID assigned to SPB operation. |
| IEE ieee8021SpbTopEctEntryEctAlgorithm | 1.3.111.2.802.1.1.26.1.9.1.4 | IEEE8021SpbEctAlgorithm | read-only | The ECT-ALGORITHM in use. A 32 bit number. The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances.; the upper 24 bits are an OUI and the lower 8 bits are an index. This creates a world-wide unique identity for the computation that will be using the VID thus ensuring consistency. |
| IEE ieee8021SpbTopEctEntryMode | 1.3.111.2.802.1.1.26.1.9.1.5 | IEEE8021SpbEctMode | read-only | Operating mode : SPBM (=2) or SPBV (=3) |
| IEE ieee8021SpbvTopEctSysMode | 1.3.111.2.802.1.1.26.1.9.1.6 | IEEE8021SpbMode | read-only | Indication of supporting SPBV mode auto(=1)/manual(=2) auto => SPBV mode and auto allocate SPVIDs. manual => SPBV mode and manually assign SPVIDs. |
| VLA ieee8021SpbvTopEctEntrySpvid | 1.3.111.2.802.1.1.26.1.9.1.7 | VlanIdOrNone | read-only | SPVID in V mode The VID this bridge will use to originate traffic using this ECT-ALGORITHM when running in SPBV mode. |
| T/F ieee8021SpbTopEctEntryLocalUse | 1.3.111.2.802.1.1.26.1.9.1.8 | TruthValue | read-only | Is this ECT-ALGORITHM in use locally by advertising bridge :- TRUE or FALSE. This is used to help with disruption-free migration between ECT-ALGORITHMs. Changes are only allowed if this flag is FALSE. |
| ieee8021SpbTopEdgeTable | 1.3.111.2.802.1.1.26.1.10 | not-accessible | A Table of edges in network (not duplicated), but each link will appear as two entries, one ordered {near-far}, the other {far-near}. | |
| ieee8021SpbTopEdgeTableEntry | 1.3.111.2.802.1.1.26.1.10.1 | not-accessible | The table lists information about bridge edges (links). | |
| IEE ieee8021SpbTopEdgeEntryTopIx | 1.3.111.2.802.1.1.26.1.10.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| MAC ieee8021SpbTopEdgeEntrySysIdNear | 1.3.111.2.802.1.1.26.1.10.1.2 | MacAddress | not-accessible | The System ID of near bridge (the bridge reporting the adjacency). A value of 0 is a wildcard for all System identifiers. |
| MAC ieee8021SpbTopEdgeEntrySysIdFar | 1.3.111.2.802.1.1.26.1.10.1.3 | MacAddress | not-accessible | The System ID of far bridge (the neighbor of the bridge reporting). A value of 0 is a wildcard for all System identifiers. |
| IEE ieee8021SpbTopEdgeEntryMetricNear2Far | 1.3.111.2.802.1.1.26.1.10.1.4 | IEEE8021SpbLinkMetric | read-only | The metric used on this edge advertised by near end This is the raw value. If it is less than the MetricFar2Near (below), the MetricFar2Near is used as the SPF metric in both directions. |
| IEE ieee8021SpbTopEdgeEntryMetricFar2Near | 1.3.111.2.802.1.1.26.1.10.1.5 | IEEE8021SpbLinkMetric | read-only | The metric used on this edge advertised by far end This is the raw value. If it is less than the MetricNear2Far (above), the MetricNear2Far is used as the SPF metric in both directions. |
| ieee8021SpbmTopSrvTable | 1.3.111.2.802.1.1.26.1.11 | not-accessible | All SPBM PBB encapsulated services in this network. | |
| ieee8021SpbmTopSrvTableEntry | 1.3.111.2.802.1.1.26.1.11.1 | not-accessible | This table displays information about PBB services received in the LSP data base. The Service Identifier is associated with the MAC address and Base VID of the bridge that originates or terminates the service. | |
| IEE ieee8021SpbmTopSrvEntryTopIx | 1.3.111.2.802.1.1.26.1.11.1.1 | IEEE8021SpbMTID | not-accessible | Entry of one The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| MAC ieee8021SpbmTopSrvEntrySysId | 1.3.111.2.802.1.1.26.1.11.1.2 | MacAddress | not-accessible | The System identifier this service originates/terminates on. A value of 0 is a wildcard for all System identifiers. |
| OID ieee8021SpbmTopSrvEntryIsid | 1.3.111.2.802.1.1.26.1.11.1.3 | IEEE8021SpbServiceIdentifierOrAny | not-accessible | An ISID (service) originating/terminating on this bridge. A value of 0 is a wildcard for any ISID. |
| VLA ieee8021SpbmTopSrvEntryBaseVid | 1.3.111.2.802.1.1.26.1.11.1.4 | VlanIdOrAny | not-accessible | The Base VID associated with this service. The Base VID determines the ECT Algorithm that is associated with this service. A Base VID value of 4095 is a wildcard for any Base VID assigned to SPB operation. |
| MAC ieee8021SpbmTopSrvEntryMac | 1.3.111.2.802.1.1.26.1.11.1.5 | MacAddress | not-accessible | The MAC address associated with a service. An additional nodal MAC address by which an I-SID can be reached can be advertised, in which case traffic to this MAC follows a forwarding path identical to that taken to reach the corresponding SYSID (nodal) MAC. If no additional MAC is advertised, this will be the SYSID MAC. A value of 0 is a wildcard for the MAC address. |
| IEE ieee8021SpbmTopSrvEntryIsidFlags | 1.3.111.2.802.1.1.26.1.11.1.6 | IEEE8021PbbIngressEgress | read-only | A pair of flags defining the attributes of this service. These specify independently whether ingress frames to the SPBM region should be transmitted within it, and whether frames received from the SPBM region are required egress it. |
| ieee8021SpbvTopSrvTable | 1.3.111.2.802.1.1.26.1.12 | not-accessible | The SPBV group services in this network | |
| ieee8021SpbvTopSrvTableEntry | 1.3.111.2.802.1.1.26.1.12.1 | not-accessible | This table displays information about SPBV group address. The group address is a associated with MAC address and Base VID of the bridge that originates or terminates the service. | |
| IEE ieee8021SpbvTopSrvEntryTopIx | 1.3.111.2.802.1.1.26.1.12.1.1 | IEEE8021SpbMTID | not-accessible | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| MAC ieee8021SpbvTopSrvEntrySysId | 1.3.111.2.802.1.1.26.1.12.1.2 | MacAddress | not-accessible | The System identifier advertising this group address. A value of 0 is a wildcard for all System identifiers. |
| MAC ieee8021SpbvTopSrvEntryMMac | 1.3.111.2.802.1.1.26.1.12.1.3 | MacAddress | not-accessible | This Group MAC address entry. A value of 0 is a wildcard for any Group MAC address. |
| VLA ieee8021SpbvTopSrvEntryBaseVid | 1.3.111.2.802.1.1.26.1.12.1.4 | VlanId | read-only | The Base VID associated with this service. The Base VID determines the ECT Algorithm that is associated with this service. |
| IEE ieee8021SpbvTopSrvEntryMMacFlags | 1.3.111.2.802.1.1.26.1.12.1.5 | IEEE8021PbbIngressEgress | read-only | A pair of {ingress, egress} flags for this Group Address, defining transmit/receive or both. This enables filtering of Group addresses to interwork with MMRP. |
| ieee8021SpbmBsiStaticTable | 1.3.111.2.802.1.1.26.1.13 | not-accessible | Table of BSIs configured on this system and assigned to an SPBM VID. The table is indexed by - ieee8021SpbTopIx from ieee8021SpbMtidStaticTable indicating the ISIS-SPB topology instance into which the BSI will be advertised, - ieee8021BridgeBasePort from ieee8021PbbCbpTable identifying the CPB on which the BSI is configured, - an I-SID value identifying the BSI, and - a VID value identifying a B-VID for which forwarding state is to be installed for the BSI | |
| ieee8021SpbmBsiStaticEntry | 1.3.111.2.802.1.1.26.1.13.1 | not-accessible | This table contains information about backbone services configured on this system to be advertised by ISIS-SPB. | |
| OID ieee8021SpbmBsiStaticEntryIsid | 1.3.111.2.802.1.1.26.1.13.1.1 | IEEE8021PbbServiceIdentifier | not-accessible | An I-SID registered on the CBP identified by ieee8021BridgeBasePort. |
| VLA ieee8021SpbmBsiStaticEntryBaseVid | 1.3.111.2.802.1.1.26.1.13.1.2 | VlanId | not-accessible | An B-VID registered on the CBP identified by ieee8021BridgeBasePort. |
| T/F ieee8021SpbmBsiStaticEntryTBit | 1.3.111.2.802.1.1.26.1.13.1.3 | TruthValue | read-create | If true(1), indicates the BSI transmits multicast frames from this CBP. This object is persistent. |
| T/F ieee8021SpbmBsiStaticEntryRBit | 1.3.111.2.802.1.1.26.1.13.1.4 | TruthValue | read-create | If true(1), indicates the BSI wishes to receive multicast frames at this CBP. This object is persistent. |
| T/F ieee8021SpbmBsiStaticEntryTsBit | 1.3.111.2.802.1.1.26.1.13.1.5 | TruthValue | read-create | If true(1), indicates the BSI transmits multicast frames on a shared tree from this CBP. This object is persistent. |
| I32 ieee8021SpbmBsiStaticEntryTieBreakMask | 1.3.111.2.802.1.1.26.1.13.1.6 | Integer32 | read-create | The value used to create the Tie-Break Mask for calculating multicast trees. This object is persistent. |
| ROW ieee8021SpbmBsiStaticEntryRowStatus | 1.3.111.2.802.1.1.26.1.13.1.7 | RowStatus | read-create | This column holds the status for this row. When the status is active, no columns of this table can be modified. This object is persistent. |
| dot1agCfmMepSpbmTable | 1.3.111.2.802.1.1.26.1.14 | not-accessible | The additional objects configurable in SPBM MEPs | |
| dot1agCfmMepSpbmEntry | 1.3.111.2.802.1.1.26.1.14.1 | not-accessible | The SPBM MEP table additions. | |
| MAC dot1agCfmMepTransmitLbmSpbmDA | 1.3.111.2.802.1.1.26.1.14.1.1 | MacAddress | read-create | The MAC Address to be used as the LBM destination address in an SPBM MA: A unicast or multicast address. |
| MAC dot1agCfmMepTransmitLtmSpbmDA | 1.3.111.2.802.1.1.26.1.14.1.2 | MacAddress | read-create | The MAC Address to be used as the LTM destination address in an SPBM MA: A unicast or multicast address. |
| dot1agCfmMepSpbmEspTable | 1.3.111.2.802.1.1.26.1.15 | not-accessible | The SPBM ESP table contains path-tesid information for each SPBM path MA known to a system. This table uses three indices. The first two indices are the indices of the Maintenance Domain and MA tables, the reason being that a path-tesid is always related to an MA and Maintenance Domain. | |
| dot1agCfmMepSpbmEspEntry | 1.3.111.2.802.1.1.26.1.15.1 | not-accessible | The SPBM path MA ESP entry. Each entry refers to an ESP by identifier and contains information about one of the ESPs that comprise an SPBM path MA. The | |
| U32 dot1agCfmMepSpbmEspIndex | 1.3.111.2.802.1.1.26.1.15.1.1 | Unsigned32 | not-accessible | This is an identifier, of local signifigance to a particular SPBM path MA which is used to index the ESPs associated with that MA. |
| IEE dot1agCfmMepSpbmEspEsp | 1.3.111.2.802.1.1.26.1.15.1.2 | IEEE8021PbbTeEsp | read-create | This column holds the ESP identifier for one of the Ethernet Switched Paths that define the SPBM path MA. This object is persistent. |
| ROW dot1agCfmMepSpbmEspRowStatus | 1.3.111.2.802.1.1.26.1.15.1.3 | RowStatus | read-create | This column holds the status for this row. When the status is active, no columns of this table can be modified. This object is persistent. |
| ieee8021SpbConformance | 1.3.111.2.802.1.1.26.2 | |||
| ieee8021SpbGroups | 1.3.111.2.802.1.1.26.2.1 | |||
| ieee8021SpbSysGroupSPBM | 1.3.111.2.802.1.1.26.2.1.1 | The collection of objects used to represent ieee8021SpbSys | ||
| ieee8021SpbMtidStaticTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.2 | The collection of objects used to represent ieee8021SpbMtidStaticTable | ||
| ieee8021SpbTopIxDynamicTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.3 | The collection of objects used to represent ieee8021SpbTopIxDynamicTable | ||
| ieee8021SpbEctStaticTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.4 | The collection of objects used to represent ieee8021SpbEctStaticTable | ||
| ieee8021SpbEctDynamicTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.5 | The collection of objects used to represent ieee8021SpbEctDynamicTable | ||
| ieee8021SpbAdjStaticTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.6 | The collection of objects used to represent ieee8021SpbAdjStaticTable | ||
| ieee8021SpbAdjDynamicTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.7 | The collection of objects used to represent ieee8021SpbAdjDynamicTable | ||
| ieee8021SpbTopNodeTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.8 | The collection of objects used to represent ieee8021SpbTopNodeTable | ||
| ieee8021SpbTopEctTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.9 | The collection of objects used to represent ieee8021SpbTopEctTable | ||
| ieee8021SpbTopEdgeTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.10 | The collection of objects used to represent ieee8021SpbTopEdgeTable | ||
| ieee8021SpbmTopSrvTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.11 | The collection of objects used to represent ieee8021SpbmTopSrvTable | ||
| ieee8021SpbSysGroupSPBV | 1.3.111.2.802.1.1.26.2.1.12 | The collection of objects used to represent ieee8021SpbSys | ||
| ieee8021SpbMtidStaticTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.13 | The collection of objects used to represent ieee8021SpbMtidStaticTable | ||
| ieee8021SpbTopIxDynamicTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.14 | The collection of objects used to represent ieee8021SpbTopIxDynamicTable | ||
| ieee8021SpbEctStaticTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.15 | The collection of objects used to represent ieee8021SpbEctStaticTable | ||
| ieee8021SpbEctDynamicTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.16 | The collection of objects used to represent ieee8021SpbEctDynamicTable | ||
| ieee8021SpbAdjStaticTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.17 | The collection of objects used to represent ieee8021SpbAdjStaticTable | ||
| ieee8021SpbAdjDynamicTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.18 | The collection of objects used to represent ieee8021SpbAdjDynamicTable | ||
| ieee8021SpbTopNodeTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.19 | The collection of objects used to represent ieee8021SpbTopNodeTable | ||
| ieee8021SpbTopEctTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.20 | The collection of objects used to represent ieee8021SpbTopEctTable | ||
| ieee8021SpbTopEdgeTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.21 | The collection of objects used to represent ieee8021SpbTopEdgeTable | ||
| ieee8021SpbvTopSrvTableGroupSPBV | 1.3.111.2.802.1.1.26.2.1.22 | The collection of objects used to represent ieee8021SpbvTopSrvTable | ||
| ieee8021SpbmBsiStaticTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.23 | The collection of objects used to represent ieee8021SpbmBsiStaticTable | ||
| dot1agCfmMepSpbmTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.24 | The collection of objects used to represent dot1agCfmMepSpbmTable | ||
| dot1agCfmMepSpbmEspTableGroupSPBM | 1.3.111.2.802.1.1.26.2.1.25 | The collection of objects used to represent dot1agCfmMepSpbmEspTable | ||
| ieee8021SpbCompliances | 1.3.111.2.802.1.1.26.2.2 | |||
| ieee8021SpbComplianceSPBM | 1.3.111.2.802.1.1.26.2.2.1 | Compliance to IEEE 802.1 SPBM mode | ||
| ieee8021SpbComplianceSPBV | 1.3.111.2.802.1.1.26.2.2.2 | Compliance to IEEE 802.1 SPBV mode | ||
| ieee8021PcrObjects | 1.3.111.2.802.1.1.26.3 | |||
| ieee8021PcrEctStaticTable | 1.3.111.2.802.1.1.26.3.1 | not-accessible | The Path Control and Reservation (PCR) static configuration table. | |
| ieee8021PcrEctStaticTableEntry | 1.3.111.2.802.1.1.26.3.1.1 | not-accessible | The PCR static configuration Table defines the MRT VIDs for the Base VID if MRT is used. | |
| IEE ieee8021PcrEctStaticEntryTopIx | 1.3.111.2.802.1.1.26.3.1.1.1 | IEEE8021SpbMTID | not-accessible | The IS-IS Topology Index identifier to which this instance belongs. |
| VLA ieee8021PcrEctStaticEntryBaseVid | 1.3.111.2.802.1.1.26.3.1.1.2 | VlanIdOrAny | not-accessible | Base VID to use for the MRT ECT-Algorithm or for the MRTG ECT Algorithm. In the case of a non-learning VLAN, this is the VID that carries traffic. In the case of a learning VLAN, this is the Base-VID used for management. A Base VID value of 4095 is a wildcard for any Base VID assigned to MRT operation. |
| VLA ieee8021PcrEctStaticEntryMrtBlueVid | 1.3.111.2.802.1.1.26.3.1.1.3 | VlanIdOrNone | read-write | MRT-Blue VID. The VID this bridge will use to originate traffic on MRT-Blue for the VLAN if the VLAN is associated with MRT operation. This object is persistent. |
| VLA ieee8021PcrEctStaticEntryMrtRedVid | 1.3.111.2.802.1.1.26.3.1.1.4 | VlanIdOrNone | read-write | MRT-Red VID. The VID this bridge will use to originate traffic on MRT-Red for the VLAN if the VLAN is associated with MRT operation. This object is persistent. |
| ROW ieee8021PcrEctStaticEntryRowStatus | 1.3.111.2.802.1.1.26.3.1.1.5 | RowStatus | read-create | The object indicates the status of an entry and is used to create/delete entries. This object is persistent. |
| ieee8021PcrTopEctTable | 1.3.111.2.802.1.1.26.3.2 | not-accessible | Table of MRT use in the network. | |
| ieee8021PcrTopEctTableEntry | 1.3.111.2.802.1.1.26.3.2.1 | not-accessible | This table lists bridges configured to use MRT. | |
| IEE ieee8021PcrTopEctEntryTopIx | 1.3.111.2.802.1.1.26.3.2.1.1 | IEEE8021SpbMTID | not-accessible | The IS-IS Topology Index identifier to which this instance belongs. |
| MAC ieee8021PcrTopEctEntrySysId | 1.3.111.2.802.1.1.26.3.2.1.2 | MacAddress | not-accessible | The System ID that is using MRT. A value of 0 is a wildcard for all System identifiers. |
| VLA ieee8021PcrTopEctEntryBaseVid | 1.3.111.2.802.1.1.26.3.2.1.3 | VlanIdOrAny | not-accessible | Base VID related to this algorithm. In the case of a non-learning VLAN, this is the VID that carries traffic. In the case of a learning VLAN, this is the Base-VID used for management. A Base VID value of 4095 is a wildcard for any Base VID assigned to MRT operation. |
| IEE ieee8021PcrTopEctEntryMode | 1.3.111.2.802.1.1.26.3.2.1.4 | IEEE8021SpbEctMode | read-only | Operating mode : non-learning (=2) or learning (=3) |
| VLA ieee8021PcrTopEctEntryMrtBlueVid | 1.3.111.2.802.1.1.26.3.2.1.5 | VlanIdOrNone | read-only | MRT-Blue VID. The VID this bridge will use to originate traffic on MRT-Blue for the VLAN if the VLAN is associated with MRT operation. |
| VLA ieee8021PcrTopEctEntryMrtRedVid | 1.3.111.2.802.1.1.26.3.2.1.6 | VlanIdOrNone | read-only | MRT-Red VID. The VID this bridge will use to originate traffic on MRT-Red for the VLAN if the VLAN is associated with MRT operation. |
| ieee8021PcrConformance | 1.3.111.2.802.1.1.26.4 | |||
| ieee8021PcrGroups | 1.3.111.2.802.1.1.26.4.1 | |||
| ieee8021PcrSysGroup | 1.3.111.2.802.1.1.26.4.1.1 | The collection of objects used to represent ieee8021SpbSys for PCR. | ||
| ieee8021PcrMtidStaticTableGroup | 1.3.111.2.802.1.1.26.4.1.2 | The collection of objects used to represent ieee8021SpbMtidStaticTable for PCR. | ||
| ieee8021PcrTopIxDynamicTableGroup | 1.3.111.2.802.1.1.26.4.1.3 | The collection of objects used to represent ieee8021SpbTopIxDynamicTable for PCR. | ||
| ieee8021PcrEctStaticTableGroupMAC | 1.3.111.2.802.1.1.26.4.1.4 | The collection of objects used to represent ieee8021SpbEctStaticTable for PCR, for non-learning VLAN, i.e., MAC-based. | ||
| ieee8021PcrEctStaticTableGroupVID | 1.3.111.2.802.1.1.26.4.1.5 | The collection of objects used to represent ieee8021SpbEctStaticTable for PCR, for learning VLAN, i.e., VID-based. | ||
| ieee8021PcrEctStaticTableGroupMrt | 1.3.111.2.802.1.1.26.4.1.6 | The collection of objects used to represent ieee8021PcrEctStaticTable, for MRT operation. | ||
| ieee8021PcrEctDynamicTableGroup | 1.3.111.2.802.1.1.26.4.1.7 | The collection of objects used to represent ieee8021SpbEctDynamicTable for PCR. | ||
| ieee8021PcrAdjStaticTableGroup | 1.3.111.2.802.1.1.26.4.1.8 | The collection of objects used to represent ieee8021SpbAdjStaticTable for PCR. | ||
| ieee8021PcrAdjDynamicTableGroup | 1.3.111.2.802.1.1.26.4.1.9 | The collection of objects used to represent ieee8021SpbAdjDynamicTable for PCR. | ||
| ieee8021PcrTopNodeTableGroup | 1.3.111.2.802.1.1.26.4.1.10 | The collection of objects used to represent ieee8021SpbTopNodeTable for PCR. | ||
| ieee8021PcrTopEctTableGroup | 1.3.111.2.802.1.1.26.4.1.11 | The collection of objects used to represent ieee8021PcrTopEctTable. | ||
| ieee8021PcrTopEdgeTableGroup | 1.3.111.2.802.1.1.26.4.1.12 | The collection of objects used to represent ieee8021SpbTopEdgeTable for PCR. | ||
| ieee8021PcrTopSrvTableGroupVid | 1.3.111.2.802.1.1.26.4.1.13 | The collection of objects used to represent ieee8021SpbvTopSrvTable for PCR, i.e., when the service is provided by a VID. | ||
| ieee8021PcrCompliances | 1.3.111.2.802.1.1.26.4.2 | |||
| ieee8021PcrCompliance | 1.3.111.2.802.1.1.26.4.2.1 | Compliance to IEEE 802.1 PCR |
RFC description
Defines managed objects for IEEE 802.1aq Shortest Path Bridging (SPB), providing fabric-based bridging with equal-cost multipathing for carrier Ethernet networks.
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