All MIBs › ISIS-MIB › isisSysLevelState
isisSysLevelState
Module: ISIS-MIB
OID (symbolic): ISIS-MIB::isisSysLevelState
OID (numeric): 1.3.6.1.2.1.138.1.2.1.1.4
Node type: OBJECT-TYPE
Type: IsisLevelState
Access: read-only
Description: The state of the database at this level. The value 'off' indicates that IS-IS is not active at this level. The value 'on' indicates that IS-IS is active at this level and is not overloaded. The value 'waiting' indicates a database that is low on an essential resource, such as memory. The administrator may force the state to 'overloaded' by setting the object isisSysLevelSetOverload. If the state is 'waiting' or 'overloaded', we originate LSPs with the overload bit set.
What is isisSysLevelState?
Reports the state of the link-state database at a given level: off (IS-IS inactive), on (active, not overloaded), or waiting (short on a resource like memory). While waiting or manually overloaded, the router advertises the overload bit in its LSPs so other routers route around it.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.2.1.138.1.2.1.1.4 snmpwalk -v2c -c public <target> ISIS-MIB::isisSysLevelState
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.2.1.138.1.2.1.1.4.1 snmpget -v2c -c public <target> ISIS-MIB::isisSysLevelState.1
Start monitoring Vendor-neutral IETF standard, RFC 4444 (router/Layer 3 switch running IS-IS) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ISIS-MIB::isisSysLevelState OID value, configure state conditions and alerts, and monitor any Vendor-neutral IETF standard, RFC 4444 (router/Layer 3 switch running IS-IS) from a single console.
OID Breakdown
Upper-level ancestors (6 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 |
| 1.3.6.1.2 | mgmt | APERTUS-NPG-MIB |
| 1.3.6.1.2.1 | mib_2 | AXON-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.2.1.138 | isisMIB | ISIS-MIB |
| 1.3.6.1.2.1.138.1 | isisObjects | ISIS-MIB |
| 1.3.6.1.2.1.138.1.2 | isisSysLevel | ISIS-MIB |
| 1.3.6.1.2.1.138.1.2.1 | isisSysLevelTable | ISIS-MIB |
| 1.3.6.1.2.1.138.1.2.1.1 | isisSysLevelEntry | ISIS-MIB |
| 1.3.6.1.2.1.138.1.2.1.1.4 | isisSysLevelState | ISIS-MIB |