All MIBs › COSINE-ORION-MIB › csOspfExtLsdbSequence
csOspfExtLsdbSequence
Module: COSINE-ORION-MIB
OID (symbolic): COSINE-ORION-MIB::csOspfExtLsdbSequence
OID (numeric): 1.3.6.1.4.1.3085.3.1.4.2.4.1.11.1.4
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: The sequence number field is a signed 32-bit integer. It is used to detect old and dupli- cate link state advertisements. The space of sequence numbers is linearly ordered. The larger the sequence number the more recent the advertisement.
What is csOspfExtLsdbSequence?
This signed 32-bit Integer32 is the sequence number of this external link-state advertisement, used the same way as the general LSDB sequence number to detect old or duplicate copies, with larger numbers being more recent. An admin comparing external route information across two routers uses this sequence number to determine which copy of a specific external LSA is authoritative. A sequence number that never increments on an external LSA that should be periodically refreshed suggests its originating ASBR has stopped updating it.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.3085.3.1.4.2.4.1.11.1.4 snmpwalk -v2c -c public <target> COSINE-ORION-MIB::csOspfExtLsdbSequence
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.3085.3.1.4.2.4.1.11.1.4.1 snmpget -v2c -c public <target> COSINE-ORION-MIB::csOspfExtLsdbSequence.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 |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.11 | csOspfExtLsdbTable | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.11.1 | csOspfExtLsdbEntry | COSINE-ORION-MIB |
| 1.3.6.1.4.1.3085.3.1.4.2.4.1.11.1.4 | csOspfExtLsdbSequence | COSINE-ORION-MIB |