The Metric Table describes the metrics to be advertised for a specified interface at the various types of service.
As such, this table is an adjunct of the OSPF Interface Table.
Types of service, as defined by RFC 791, have the ability to request low delay, high bandwidth, or reliable linkage.
For the purposes of this specification, the measure of bandwidth: Metric = referenceBandwidth / ifSpeed is the default value.
The default reference bandwidth is 10^8.
For multiple link interfaces, note that ifSpeed is the sum of the individual link speeds. This yields a number having the following typical values: Network Type/bit rate Metric >= 100 MBPS 1 Ethernet/802.3 10 E1 48 T1 (ESF) 65 64 KBPS 1562 56 KBPS 1785 19.2 KBPS 5208
9.6 KBPS 10416 Routes that are not specified use the default (TOS 0) metric.
Note that the default reference bandwidth can be configured using the general group object ospfReferenceBandwidth.
The indexes of the table are ospfIfMetricIpAddress, ospfIfMetricAddressLessIf, ospfIfMetricTOS.
|
OID |
Object |
Syntax |
Max Access |
Description |
Implemented Specifications |
|---|---|---|---|---|---|
|
1.3.6.1.2.1.14.8.1.1 |
ospfIfMetricIpAddress |
IpAddress |
read-only |
The IP address of this OSPF interface. On row creation, this can be derived from the instance. |
This object is implemented as defined in the corresponding MIB files. |
|
1.3.6.1.2.1.14.8.1.2 |
ospfIfMetricAddressLessIf |
Integer32{(0,2147483647)} |
read-only |
For the purpose of easing the instancing of addressed and addressless interfaces; this variable takes the value 0 on interfaces with IP addresses and the value of ifIndex for interfaces having no IP address. On row creation, this can be derived from the instance. |
This object is implemented as defined in the corresponding MIB files. |
|
1.3.6.1.2.1.14.8.1.3 |
ospfIfMetricTOS |
Integer32{(0,30)} |
read-only |
The Type of Service metric being referenced. On row creation, this can be derived from the instance. |
Get return value 0. |
|
1.3.6.1.2.1.14.8.1.4 |
ospfIfMetricValue |
Integer32{(0,'ffff'h)} |
read-create |
The metric of using this Type of Service on this interface. The default value of the TOS 0 metric is 10^8 / ifSpeed. |
The actually supported access is read-only. The value ranges from 1 to 65535. |
|
1.3.6.1.2.1.14.8.1.5 |
ospfIfMetricStatus |
INTEGER{active(1),notInService(2),notReady(3),createAndGo(4),createAndWait(5),destroy(6)} |
read-create |
This object permits management of the table by facilitating actions such as row creation, construction, and destruction. The value of this object has no effect on whether other objects in this conceptual row can be modified. |
The actually supported access is read-only. |