All MIBs › CTRON-SSR-L2-MIB › l2LearnedMacEntries
l2LearnedMacEntries
Module: CTRON-SSR-L2-MIB
OID (symbolic): CTRON-SSR-L2-MIB::l2LearnedMacEntries
OID (numeric): 1.3.6.1.4.1.52.2501.1.2.2
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: The total number of MAC entries. The total number is equal to the number of unique VLAN id and MAC address pairs on the switch.
What is l2LearnedMacEntries?
This counts the total number of learned MAC entries on the switch, where each entry is a unique VLAN ID and MAC address pair. Admins use it as a quick gauge of how full the L2 forwarding table currently is.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.2501.1.2.2 snmpwalk -v2c -c public <target> CTRON-SSR-L2-MIB::l2LearnedMacEntries
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.52.2501.1.2.2.1 snmpget -v2c -c public <target> CTRON-SSR-L2-MIB::l2LearnedMacEntries.1
Start monitoring Cabletron/Enterasys Smart Switch Router (SSR) — legacy/deprecated (Layer 2) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CTRON-SSR-L2-MIB::l2LearnedMacEntries OID value, configure state conditions and alerts, and monitor any Cabletron/Enterasys Smart Switch Router (SSR) — legacy/deprecated (Layer 2) from a single console.
OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.52 | cabletron | Cabletron-MIB |
| 1.3.6.1.4.1.52.2501 | ssr | CTRON-SSR-SMI-MIB |
| 1.3.6.1.4.1.52.2501.1 | ssrMibs | CTRON-SSR-SMI-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.52.2501.1.2 | l2Group | CTRON-SSR-L2-MIB |
| 1.3.6.1.4.1.52.2501.1.2.2 | l2LearnedMacEntries | CTRON-SSR-L2-MIB |