Will SNMP Inspector work with my switch?
Tested on live devices
SNMP v2c over the network, November 2026, development build of the first release.
| Device | Ports and 64-bit counters | Traffic and error rates | Model and serial | LLDP neighbors | MAC table | ARP | Wait for link |
|---|---|---|---|---|---|---|---|
| MikroTik RB4011 RouterOS 7 | ✓ Read | ✓ Read | ✓ Read | Table empty | ✓ Read | ✓ Read | ✓ Read |
| MikroTik CHR RouterOS 7 | ✓ Read | ✓ Read | ✓ Read | ✓ Read | Not exposed | ✓ Read | ✓ Read |
| MikroTik Audience RouterOS 7 | ✓ Read | ✓ Read | ✓ Read | Not exposed | Table empty | ✓ Read | ✓ Read |
| UniFi U7 Pro access point | ✓ Read | ✓ Read | Not exposed | Not exposed | Not exposed | ✓ Read | ✓ Read |
| Proxmox VE host net-snmp | ✓ Read | ✓ Read | Not exposed | ✓ Read | Not exposed | ✓ Read | ✓ Read |
Not exposed: the agent doesn't serve that table, and the app says so on the screen. Table empty: the agent serves the table, and it had no rows during the test. None of these devices served POWER-ETHERNET-MIB, so PoE stayed empty on them.
Checked against public SNMP recordings
The app read SNMP recordings of real devices from the LibreNMS test suite, November 2026. A recording holds what one device served on one day, so “Not exposed” can mean the owner of that device left the table out.
| Recording | Ports | 64-bit counters | Model and serial | LLDP | MAC table | ARP |
|---|---|---|---|---|---|---|
| Cisco | ✓ Read | ✓ Read | ✓ Read | Not exposed | ✓ Read | ✓ Read |
| Cisco Small Business | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read |
| D-Link | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read |
| Eltex | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read |
| Fortinet Port names are empty in this recording. | Partial | ✓ Read | ✓ Read | Not exposed | Not exposed | ✓ Read |
| HPE ProCurve | ✓ Read | ✓ Read | Not exposed | Not exposed | ✓ Read | Not exposed |
| Huawei | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read |
| MikroTik | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read | ✓ Read |
| TP-Link | ✓ Read | ✓ Read | Not exposed | Table empty | ✓ Read | ✓ Read |
| Ubiquiti UniFi | ✓ Read | ✓ Read | Not exposed | Not exposed | Not exposed | ✓ Read |
| Zyxel GS1900 The MAC table uses an index the standard Q-BRIDGE-MIB layout doesn't describe. | ✓ Read | ✓ Read | ✓ Read | ✓ Read | Not read | ✓ Read |
The Juniper recording in the same suite has no interface table, so we couldn't check Juniper ports with it. Other platforms that serve IF-MIB should show their ports in the app; we haven't tested them yet.
Standard MIBs the app reads
- IF-MIB
- ports, link state, speed, traffic and error counters
- EtherLike-MIB
- duplex, FCS and alignment errors
- SNMPv2-MIB
- name, description and uptime
- ENTITY-MIB, ENTITY-SENSOR-MIB
- model, serial number, firmware and sensors
- LLDP-MIB, LLDP-V2-MIB
- the neighbor on each port
- BRIDGE-MIB, Q-BRIDGE-MIB
- MAC addresses behind each port and VLANs
- POWER-ETHERNET-MIB
- PoE state and class per port
- IP-MIB
- ARP: IP addresses for the MACs
Extra fields for MikroTik and Ubiquiti come from their own MIBs. The MIB browser walks any other table, and you can import your own MIB files.
Before you connect
- Turn on SNMP on the device and allow your phone's address.
- For SNMPv3, note the user, the security level and both protocols.
- Turn on LLDP if you want neighbors on the port card.
The connection doctor in the app checks each step and names the one that fails.
Questions
Does SNMP Inspector support Cisco switches?
In a public SNMP recording of a Cisco switch, the app read ports, 64-bit counters, model and serial, the MAC table and ARP. LLDP wasn't in that recording. Cisco IOS serves the bridge tables per VLAN, and the app reads each VLAN with community@vlan.
Does it work with MikroTik RouterOS?
Yes. The developer tested it live on three MikroTik devices with RouterOS 7: ports, traffic and error rates, model and serial, ARP and Wait for link worked on each. RouterOS serves the port VLAN ID but not the VLAN table, so the app shows what it can confirm.
Does it read PoE?
Yes, from POWER-ETHERNET-MIB, if the switch serves it. None of the devices tested so far served that table, so the PoE row stays empty on them and the app says why.
What if my device isn't listed?
The app should show the ports of any agent that serves IF-MIB. If yours misbehaves, write to support@snmpinspector.app with the model, the firmware version and what the connection doctor shows.