Troubleshoot Bandwidth Issues to Keep Traffic Flowing

Troubleshoot bandwidth issues with Intermapper by using traffic visibility, utilization trends, alerts, and reports to keep traffic flowing.

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When the network slows down, IT needs to know what changed, who is using the bandwidth, and whether the traffic is normal. Intermapper Flows Insight helps teams monitor bandwidth utilization, analyze flow data, identify top talkers, and troubleshoot congestion with real-time and historical traffic visibility.

  • See bandwidth utilization on live Intermapper maps and status views.
  • Analyze flow data to identify top talkers, top listeners, protocols, and applications.
  • Investigate traffic spikes, bandwidth hogs, and unusual activity.
  • Use historical data for post-incident analysis and capacity planning.
  • Support informed decisions about throttling, policy changes, or bandwidth upgrades.
Troubleshoot Bandwidth Issues to Keep Traffic Flowing

How to Troubleshoot Bandwidth Issues with Intermapper

Bandwidth issues rarely announce themselves clearly. Users experience slow applications, dropped calls, poor video, or delayed file transfers, while IT has to determine whether the cause is congestion, abnormal traffic, backup activity, a misconfigured device, or legitimate business demand.

Intermapper gives teams both high-level network visibility and detailed traffic analysis so they can move from "the network is slow" to "this host, protocol, or application is consuming capacity right now."

Monitor Utilization

Use Intermapper to see which links, interfaces, or devices are approaching capacity thresholds.

Collect Flow Data

Use exporters such as routers, switches, or firewalls to send flow data to Intermapper Flows Insight.

Identify Top Talkers and Listeners

See which hosts are sending or receiving the most traffic.

Drill Into Protocols and Applications

Determine whether the spike is web traffic, backup traffic, peer-to-peer activity, streaming, business application traffic, or something else.

Compare Against Baselines

Determine whether current usage is normal for that time, location, or service.

Report and Plan

Use historical trends to support bandwidth, hardware, or policy decisions.

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Intermapper’s Bandwidth Troubleshooting Capabilities

Find Bandwidth Hogs

Find Bandwidth Hogs

Identify users, hosts, applications, or protocols that are consuming disproportionate bandwidth.

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How Intermapper Solves Network Bandwidth Problems

Challenge

How Intermapper Helps
  • How Intermapper Helps
  • Result
Challenge How Intermapper Helps Result
Users report a slow network
Intermapper shows live bandwidth utilization and device status on maps.
Teams can quickly identify congested links or unhealthy devices.
A host is consuming excessive bandwidth
Intermapper Flows identifies top talkers, top hosts, and top listeners.
IT can pinpoint who or what is driving usage.
Application or protocol traffic spikes
Flow data shows source, destination, protocol, service, and timing details.
Teams can validate whether traffic is expected, risky, or policy-related.
Traffic spikes require forensic analysis
Historical flow data supports post-incident review and trend analysis.
Teams can determine what caused a spike after the fact.
Bandwidth upgrade requests lack evidence
Reports and trends show peak, average, and recurring traffic patterns.
IT can justify capacity changes with data.
Unusual traffic may signal risk
Flow analysis helps spot anomalies and traffic that bypasses expectations.
Teams can investigate potential security or policy concerns faster.
No
Yes

Bandwidth Troubleshooting FAQs

Bandwidth troubleshooting is the process of identifying what is consuming network capacity, where congestion is occurring, and whether traffic is expected, abnormal, or requiring policy or capacity changes.

Utilization shows how much of a link or interface capacity is being used. Usage explains who or what is generating traffic, often through flow analysis that shows hosts, protocols, applications, and destinations.

Intermapper Flows Insight analyzes traffic data to show top talkers, top hosts, top listeners, and detailed traffic patterns so IT can pinpoint heavy usage.

Yes. Historical flow data helps teams review what happened during a spike and determine which hosts, protocols, or applications were involved to optimize performance.

No. Flow analysis is not a replacement for dedicated security tools, but it can add visibility into unusual traffic patterns that deserve investigation.

Yes. Utilization and flow trends help teams determine whether bandwidth should be upgraded, workloads should be rescheduled, or policies should be adjusted.

Routers, switches, firewalls, and other devices that support flow protocols can often act as exporters and send traffic information to a flow analysis tool.

Know What’s Slowing the Network Down with Intermapper

See What's Happening. Understand Why. Plan What's Next.

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