Source Port Labeling
Identify Each Packet's Entry Point
The Source Port Labeling feature of the GigaSMART® engine provides network context to packets so monitoring and security tools can properly assess network behavior and threats based on where they occur. When a packet enters the Gigamon Deep Observability Pipeline, it may come from dozens or even hundreds of network access points.
Before forwarding the packet to a monitoring or security tool, Source Port Labeling adds a trailer that identifies which port the packet arrived. Tools can then query the Deep Observability Pipeline through the Rest API and use the associated Cisco Discovery Protocol (CDP) or Link Layer Discovery Protocol (LLDP) data to pinpoint where problems or threats originate in the network.
In cascade deployments, GigaSMART can also remove the trailer before forwarding traffic to downstream tools that do not require the added metadata, preserving tool compatibility while maintaining source-aware visibility across the pipeline.
Benefits of the Source Port Labeling Feature
- Accurately analyze traffic aggregated from multiple collection points.
- Correlate traffic with CDP/LLDP information on the network.
- Identify incorrect cabling of taps and SPAN ports and verify accuracy of flow maps.
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GigaSMART Features
GigaSMART® offers several essential traffic intelligence services required for deep observability into infrastructure blind spots.
NetFlow Generation
Delivers basic Layer 2–4 network traffic data to analysis tools.
Source Port Labeling
Provides context to packets and identifies behaviors and threats based on network location.
Adaptive Packet Filtering
Identifies patterns across any part of the network packet, including the packet payload.
De-duplication
Targets, identifies, and eliminates duplicate packets, blocking unnecessary duplication and sending optimized flows.
Packet Slicing
Truncates packets while preserving the protocol headers required for network analysis.
Advanced Load Balancing
Divides and distributes traffic among multiple tools based on a variety of data points.
Advanced Flow Slicing
Reduces bandwidth usage by slicing payloads and packets from long data flows.
Masking
Provides customizable data protection by overwriting specific packet fields with a set pattern.
Tunneling
Alleviates blindness of business-critical traffic at remote sites, virtualized data centers, or in the public or private cloud.
Application Visualization
Provides a complete view of the applications running on your network.
Application Filtering Intelligence
Extends Layer 7 visibility to thousands of common and proprietary applications.
Application Metadata Intelligence
Provides application visibility to identify performance and quality issues, and potential security risks.
GTP Correlation
Enables mobile service providers to monitor subscriber data in GPRS Tunneling Protocol tunnels.
FlowVUE Flow Sampling
Provides subscriber IP-based flow sampling.
5G Correlation
Forwards subscriber sessions to specific tools by filtering on subscriber, user device, RAN, or network slice IDs.
SSL/TLS Decryption
Creates a secure channel between the server and the end user's computer or other devices as they exchange information.
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