All MIBs › CISCOSB-BRIDGEMIBOBJECTS-MIB › rldot1sMstpInstancePortPathCost
rldot1sMstpInstancePortPathCost
Module: CISCOSB-BRIDGEMIBOBJECTS-MIB
OID (symbolic): CISCOSB-BRIDGEMIBOBJECTS-MIB::rldot1sMstpInstancePortPathCost
OID (numeric): 1.3.6.1.4.1.9.6.1.101.57.6.2.1.6
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: The contribution of this port to the path cost of paths towards the spanning tree root which include this port. 802.1D-1990 recommends that the default value of this parameter be in inverse proportion to the speed of the attached LAN.
What is rldot1sMstpInstancePortPathCost?
This read-only integer is this port's contribution to the path cost toward the MSTP instance's spanning tree root, with 802.1D-1990 recommending a default set in inverse proportion to the port's link speed. An admin reviews it to understand or verify why a particular port was chosen (or not chosen) as a root or designated port. For example, an admin comparing a 1 Gbps uplink's cost against a 100 Mbps backup link's cost would expect to see a much lower value here for the faster link.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.57.6.2.1.6 snmpwalk -v2c -c public <target> CISCOSB-BRIDGEMIBOBJECTS-MIB::rldot1sMstpInstancePortPathCost
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.57.6.2.1.6.1 snmpget -v2c -c public <target> CISCOSB-BRIDGEMIBOBJECTS-MIB::rldot1sMstpInstancePortPathCost.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> rldot1sMstpInstancePortPathCost.1
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OID Breakdown
Upper-level ancestors (10 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.6 | otherEnterprises | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1 | ciscoSB | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1.101 | switch001 | CISCOSB-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.6.1.101.57 | rlpBridgeMIBObjects | CISCOSB-BRIDGEMIBOBJECTS-MIB |
| 1.3.6.1.4.1.9.6.1.101.57.6 | rldot1sMstp | CISCOSB-BRIDGEMIBOBJECTS-MIB |
| 1.3.6.1.4.1.9.6.1.101.57.6.2 | rldot1sMstpInstancePortTable | CISCOSB-BRIDGEMIBOBJECTS-MIB |
| 1.3.6.1.4.1.9.6.1.101.57.6.2.1 | rldot1sMstpInstancePortEntry | CISCOSB-BRIDGEMIBOBJECTS-MIB |
| 1.3.6.1.4.1.9.6.1.101.57.6.2.1.6 | rldot1sMstpInstancePortPathCost | CISCOSB-BRIDGEMIBOBJECTS-MIB |