ERI-DNX-LINK-TEST-MIB :: dsx1StatusRcvNationalBits

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsERI-DNX-LINK-TEST-MIBdsx1StatusRcvNationalBits

dsx1StatusRcvNationalBits

Module: ERI-DNX-LINK-TEST-MIB

OID (symbolic): ERI-DNX-LINK-TEST-MIB::dsx1StatusRcvNationalBits

OID (numeric): 1.3.6.1.4.1.644.2.4.5.3.1.1.20

Node type: OBJECT-TYPE

Type: OneByteField

Access: read-only

Description: Displays the E1 National S-bits being received on the link.
This single byte field shows the values in Hex 
of the E1 NFA byte in odd frames as depicted below:

   sa8 sa7 sa6 sa5 sa4 reserved bits
   --- --- --- --- --- -------------
   1    1   1   1   1   0   0   0      = F8
   
Reserved bits are always zero.                 

What is dsx1StatusRcvNationalBits?

Shows the raw hex value of the E1 National (Sa) bits being received in odd frames on this link, e.g. 0xF8 when all five Sa bits are set with reserved bits zero. This only applies to E1-framed links and gives admins visibility into national-use signaling bits carried alongside the payload.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.644.2.4.5.3.1.1.20
snmpwalk -v2c -c public <target> ERI-DNX-LINK-TEST-MIB::dsx1StatusRcvNationalBits

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.644.2.4.5.3.1.1.20.1
snmpget -v2c -c public <target> ERI-DNX-LINK-TEST-MIB::dsx1StatusRcvNationalBits.1

Start monitoring Eastern Research Inc. (ERI) DNX digital cross-connect/multiplexer (DS1/HS port BERT/loopback diagnostics) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ERI-DNX-LINK-TEST-MIB::dsx1StatusRcvNationalBits OID value, configure state conditions and alerts, and monitor any Eastern Research Inc. (ERI) DNX digital cross-connect/multiplexer (DS1/HS port BERT/loopback diagnostics) from a single console.

OID Breakdown

Upper-level ancestors (9 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.644eriEnterpriseRootERI-ROOT-SMI
1.3.6.1.4.1.644.2eriProductsERI-ROOT-SMI
1.3.6.1.4.1.644.2.4dnxERI-DNX-SMC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.644.2.4.5diagnosticsERI-DNX-LINK-TEST-MIB
1.3.6.1.4.1.644.2.4.5.3dsx1StatusERI-DNX-LINK-TEST-MIB
1.3.6.1.4.1.644.2.4.5.3.1dsx1StatusTableERI-DNX-LINK-TEST-MIB
1.3.6.1.4.1.644.2.4.5.3.1.1dsx1StatusEntryERI-DNX-LINK-TEST-MIB
1.3.6.1.4.1.644.2.4.5.3.1.1.20dsx1StatusRcvNationalBitsERI-DNX-LINK-TEST-MIB