Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
A LAN network manager is usually the person accountable for a local area network’s reliable, secure operation. Depending on the organization, that can mean overseeing policy, security, and changes—or directly handling installation, monitoring, troubleshooting, and user support. The phrase also names IBM’s historical software for managing Token Ring networks, a separate meaning from the job title.
What does a LAN network manager do?
There is no single duty list that applies across all employers. The U.S. Environmental Protection Agency’s NDPD Operational Directives Manual, directive 310.03, describes an EPA LAN Manager as a designated, non-technical employee with overall responsibility for a LAN’s “operation, integrity, and usefulness.” The manual assigns that person responsibility for policy compliance, ensuring support personnel perform their duties, using change-management procedures, coordinating with others, assessing risk and security, and reporting security breaches. EPA NDPD Operational Directives Manual, directive 310.03
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
LANProbe 10/100/1000 Gigabit Ethernet/USB Bypass Network Tap | $199.00 | Buy on Amazon |
Other organizations may use the title for a more hands-on role. A secondary career reference gives examples such as coordinating network installation and maintenance, troubleshooting, monitoring performance, keeping hardware and software records, applying security procedures, and assisting users. These are possible responsibilities, not a universal standard. MyMajors: LAN Network Manager career profile
Common areas of responsibility
- Reliability: Help keep the LAN available and useful, whether through oversight or direct technical work.
- Security and policy: Ensure applicable security practices and organizational rules are followed; some roles conduct or coordinate risk assessments.
- Changes: Coordinate network changes through an approved process to reduce disruption and maintain accountability.
- Monitoring and troubleshooting: In hands-on versions of the role, watch network performance and investigate problems.
- Support coordination: Work with administrators, technicians, and users, and clarify who is responsible for each task.
Is a LAN manager the same as a network administrator?
Not necessarily. A LAN manager may be accountable for the network’s overall operation without personally performing every technical task. In the EPA manual’s organization-specific distinction, the LAN Manager owns overall responsibility, while a LAN System Administrator handles daily operations and maintenance. Other employers may combine those duties or use different job titles, so compare the responsibilities in the job description rather than relying on the title alone. EPA NDPD Operational Directives Manual, directive 310.03
#1 Best Overall
- (10/100/1G) Gigabit Bypass network tap / sniffer equivalent to port mirror on a switch.
- The two monitor/sniff ports are isolated from the network being monitored.
- Automatic bypass of device on power fail.
- Power-over-Ethernet (POE) pass-through. Rated at .75A max at 57vdc
- 5v power through USB3 port or 5v wall transformer (or both). ~500ma consumption.
When reading a role description, check whether it emphasizes accountability and policy ownership or hands-on administration. Also look for specific expectations around security, change control, monitoring, troubleshooting, user support, and coordination with technical staff.
What was IBM LAN Network Manager?
IBM LAN Network Manager (LNM) was also the name of a historical software application, not a person’s job. IBM described it as an OS/2 Extended Edition-based application for centrally controlling Token Ring local-area networks. It communicated with LAN Station Manager software running on individual end stations. IBM LAN Network Manager reference hosted in Cisco’s archived documentation library
Cisco’s historical IBM networking documentation also describes Cisco platforms communicating with IBM LNM to manage Token Ring networks from a central site. The same documentation discusses CiscoWorks tools for configuration, monitoring, and diagnostics, including traffic and error information available through SNMP MIB attributes. This is historical context, not evidence that IBM LNM is a current mainstream network-management product. Cisco: IBM network management
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Why the phrase can be ambiguous
“LAN network manager” may refer to an occupational role, IBM’s legacy LNM application, or a product-specific software permission. For example, Cisco Data Center Network Manager (DCNM) Release 10.3(x) documentation includes a lan-network-admin role whose permissions depend on the client perspective. That label describes access within that product and version; it is not a general definition of a network job. Cisco DCNM Release 10.3(x): Configuring User Roles
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

