All MIBs › BIANCA-BRICK-X21-MIB › x21IfL1State
x21IfL1State
Module: BIANCA-BRICK-X21-MIB
OID (symbolic): BIANCA-BRICK-X21-MIB::x21IfL1State
OID (numeric): 1.3.6.1.4.1.272.4.10.1.1.2
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: The X21 physical layer state
dn(1) physical layer is inactive; up(2) physical layer is active;
What is x21IfL1State?
Reports whether the X21 interface's physical (layer 1) circuit is currently active (up) or inactive (dn). An admin can watch this to confirm the physical link is actually up before troubleshooting higher-layer connectivity problems.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.272.4.10.1.1.2 snmpwalk -v2c -c public <target> BIANCA-BRICK-X21-MIB::x21IfL1State
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.272.4.10.1.1.2.1 snmpget -v2c -c public <target> BIANCA-BRICK-X21-MIB::x21IfL1State.1
Start monitoring bintec BIANCA/BRICK ISDN/VPN routers (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the BIANCA-BRICK-X21-MIB::x21IfL1State OID value, configure state conditions and alerts, and monitor any bintec BIANCA/BRICK ISDN/VPN routers (legacy) from a single console.
OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.272 | bintec | BIANCA-BOX-ISDN-MIB |
| 1.3.6.1.4.1.272.4 | bibo | BIANCA-BOX-ISDN-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.272.4.10 | x21 | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1 | x21IfTable | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1.1 | x21IfEntry | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1.1.2 | x21IfL1State | BIANCA-BRICK-X21-MIB |