All MIBs › COSINE-ORION-MIB › csOspfLsdbChecksum
csOspfLsdbChecksum
Module: COSINE-ORION-MIB
OID (symbolic): COSINE-ORION-MIB::csOspfLsdbChecksum
OID (numeric): 1.3.6.1.4.1.3085.3.1.4.2.4.1.4.1.7
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: This field is the checksum of the complete contents of the advertisement, excepting the age field. The age field is excepted so that an advertisement's age can be incremented without updating the checksum. The checksum used is the same that is used for ISO connec- tionless datagrams; it is commonly referred to as the Fletcher checksum.
What is csOspfLsdbChecksum?
This Integer32 is the checksum, specifically the Fletcher checksum used for ISO connectionless datagrams, of the complete LSA contents excluding the age field, so that age can be incremented without needing to recompute the checksum. An admin comparing this checksum for what should be identical LSAs on two routers can quickly spot content corruption or divergence without inspecting the raw advertisement bytes. A checksum mismatch between two routers' copies of the same LSA warns of a database synchronization problem.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.3085.3.1.4.2.4.1.4.1.7 snmpwalk -v2c -c public <target> COSINE-ORION-MIB::csOspfLsdbChecksum
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.3085.3.1.4.2.4.1.4.1.7.1 snmpget -v2c -c public <target> COSINE-ORION-MIB::csOspfLsdbChecksum.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.3085 | csRoot | COSINE-GLOBAL-REG |
| 1.3.6.1.4.1.3085.3 | csProduct | COSINE-GLOBAL-REG |
| 1.3.6.1.4.1.3085.3.1 | csOrionMIB | COSINE-GLOBAL-REG |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.3085.3.1.4 | csOrionVPNInfo | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2 | csOrionVPNVRouterInfo | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4 | csOrionOspf | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1 | csOspfConf | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.4 | csOspfLsdbTable | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.4.1 | csOspfLsdbEntry | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.4.1.7 | csOspfLsdbChecksum | COSINE-ORION-MIB |