Uplevel SNMP OIDs

Reference list of SNMP OIDs exposed by the Uplevel Gateway for system information, Ethernet ports, layer-2 and routing tables, memory, and CPU utilization.

Monitoring Updated August 21, 2025

The gateway responds to standard SNMPv2 OIDs from the SNMPv2-MIB and IF-MIB namespaces. The reference below shows the values most likely to be useful when integrating an Uplevel site into an SNMP-based monitoring system; the sample values are representative of what a polled gateway will return.

General system

Item OID Example
System description .1.3.6.1.2.1.1.1.0 STRING: Uplevel Systems UG-101 Gateway
System uptime .1.3.6.1.2.1.1.3.0 Timeticks: (193583855) 22 days, 9:43:58.55
System name .1.3.6.1.2.1.1.5.0 STRING: gateway
System date .1.3.6.1.2.1.25.1.2.0 STRING: 2021-3-2,1:3:15.0,+0:0

Ethernet interfaces

The gateway exposes per-interface counters in the standard IF-MIB table. Indexes differ per platform; the values below were captured on a UG-101.

Internet (eth0, ifIndex 4)

Item OID
Name .1.3.6.1.2.1.2.2.1.2.4
Operational status .1.3.6.1.2.1.2.2.1.7.4
RX bytes .1.3.6.1.2.1.2.2.1.10.4
TX bytes .1.3.6.1.2.1.2.2.1.16.4

AUX Internet (agl0, ifIndex 20)

Item OID
Name .1.3.6.1.2.1.2.2.1.2.20
Operational status .1.3.6.1.2.1.2.2.1.7.20
RX bytes .1.3.6.1.2.1.2.2.1.10.20
TX bytes .1.3.6.1.2.1.2.2.1.16.20

LAN ports 2–8 (eth1–eth7, ifIndex 5–11)

For each LAN port n (with ifIndex = n + 3), the four entries follow the same pattern:

Name                  .1.3.6.1.2.1.2.2.1.2.<ifIndex>
Operational status    .1.3.6.1.2.1.2.2.1.7.<ifIndex>
RX bytes              .1.3.6.1.2.1.2.2.1.10.<ifIndex>
TX bytes              .1.3.6.1.2.1.2.2.1.16.<ifIndex>

So Port 2 is eth1 at ifIndex 5, Port 3 is eth2 at ifIndex 6, and so on through Port 8 = eth7 at ifIndex 11.

Operational status returns INTEGER: up(1) or INTEGER: down(2). RX/TX bytes return Counter32 values; for high-throughput links, monitoring tooling should use the matching ifHC* 64-bit counters under .1.3.6.1.2.1.31.1.1.1.* if they’re needed.

Layer-2 bridges

Item OID
Layer-2 forwarding table (ARP) .1.3.6.1.2.1.3.1

Routing tables

Item OID
IP address table .1.3.6.1.2.1.4.20
IP routing table .1.3.6.1.2.1.4.21
TCP connection table .1.3.6.1.2.1.6.13

Memory usage

Item OID
Physical memory size .1.3.6.1.2.1.25.2.3.1.5.1
Physical memory used .1.3.6.1.2.1.25.2.3.1.6.1
Virtual memory size .1.3.6.1.2.1.25.2.3.1.5.3
Virtual memory used .1.3.6.1.2.1.25.2.3.1.6.3
Memory buffers size .1.3.6.1.2.1.25.2.3.1.5.6
Memory buffers used .1.3.6.1.2.1.25.2.3.1.6.6
Cached memory size .1.3.6.1.2.1.25.2.3.1.5.7
Cached memory used .1.3.6.1.2.1.25.2.3.1.6.7

All sizes and “used” values are reported as INTEGER in kilobytes.

Processor utilization

The gateway has four cores. Each core’s instantaneous load percentage is exposed independently:

CPU OID
CPU 1 .1.3.6.1.2.1.25.3.3.1.2.768
CPU 2 .1.3.6.1.2.1.25.3.3.1.2.769
CPU 3 .1.3.6.1.2.1.25.3.3.1.2.770
CPU 4 .1.3.6.1.2.1.25.3.3.1.2.771

Values return as INTEGER percentages 0–100.

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