All MIBs › ZHONE-ISDN-MIB › isdnLineLoopBack
isdnLineLoopBack
Module: ZHONE-ISDN-MIB
OID (symbolic): ZHONE-ISDN-MIB::isdnLineLoopBack
OID (numeric): 1.3.6.1.4.1.5504.5.7.1.1.1.3
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: loop-back-none(1) :no loop back .
loop-back-b1-st-tr(2): transparaent loopback on the S/T interface towards the user(B1 chanel).
loop-back-b1-st-nt(3): non-transparent loopback onthe S/T interface towards the user(B1 chanel)..
loop-back-b2-st-tr(4) :transparaent loopback on the S/T interface towards the user(B2 chanel).
loop-back-b2-st-nt(5):non-transparent loopback on the S/T interface towards the user(B2 channel)
loop-back-b1-idl2-tr(6):transparaent loopback on the IDL2 interface towards the system(B1 channel)
loop-back-b1-idl2-nt(7):non-transparent loopback on the IDL2 interface towards the system(B1 channel)
loop-back-b2-idl2-tr(8):transparaent loopback on the IDL2 interface towards the system(B2 channel)
loop-back-b2-idl2-nt(9): non-transparent loopback on the IDL2 interface towards the system(B2 channel)
loop-back-2bd-idl2-tr(10): transparent loopback on the IDL2 towards the system(2B + D channel)
loop-back-2bd-idl2-nt(11): non-transparent loopback on the IDL2 towards the system(2B + D channel)
loop-back-2bd-u-interface-tr (12): transparent loopback on the U interface towards the user(2B + D channel)
loop-back-2bd-u-interface-nt (13): non-transparent loopback on the U interface(2B + D channel)
loop-back-2bd-external-analog(14): loopback on the external analog interface towards the user(2B + D channel)
st is loopback on the S/T interface towards the user. idl2 is loopback on the IDL2 interface towards the system. tr is transparent loopback. nt is non-transparent loopback.
The default value is loop-back-none.
What is isdnLineLoopBack?
Selects one of 14 loopback test modes for the ISDN BRI S/T line — covering transparent/non-transparent loopbacks on the S/T interface, IDL2 interface, U interface, or external analog interface, for either the B1, B2, or combined 2B+D channels; default is no loopback. Use the appropriate mode to isolate a fault to a specific segment (user side vs. system side) during circuit troubleshooting, then set it back to loop-back-none when done.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5504.5.7.1.1.1.3 snmpwalk -v2c -c public <target> ZHONE-ISDN-MIB::isdnLineLoopBack
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5504.5.7.1.1.1.3.1 snmpget -v2c -c public <target> ZHONE-ISDN-MIB::isdnLineLoopBack.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.5504.5.7.1.1.1.3.1 i <value>
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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 |
| 1.3.6.1.4.1.5504 | Zhone | BITSTORM-HP-160-MIB |
| 1.3.6.1.4.1.5504.5 | zhonePhysical | Zhone |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5504.5.7 | zhoneIsdn | ZHONE-ISDN-MIB |
| 1.3.6.1.4.1.5504.5.7.1 | zhoneIsdnMib | ZHONE-ISDN-MIB |
| 1.3.6.1.4.1.5504.5.7.1.1 | isdnConfigTable | ZHONE-ISDN-MIB |
| 1.3.6.1.4.1.5504.5.7.1.1.1 | isdnConfigEntry | ZHONE-ISDN-MIB |
| 1.3.6.1.4.1.5504.5.7.1.1.1.3 | isdnLineLoopBack | ZHONE-ISDN-MIB |