Saturday, 23 August 2025

Difference between Aliases and Labels - Aliases VS Labels - Cisco ACI

 

Feature

Aliases

Labels

Purpose

Abstract reference to filters for modular contract design

Tagging mechanism for categorization and automation

Used In

Subjects within Contracts

EPGs, Contracts, Bridge Domains, Application Profiles, etc.

Functionality

Indirectly reference filters to simplify reuse

Group and organize objects; used in automation workflows

Visibility

Internal, technical use

Administrative, visible in UI and automation tools

Example Use Case

Reuse a common filter across multiple subjects

Tag all web-tier contracts with web-tier for easy grouping

Impact on Policy

Affects how filters are applied in traffic rules

Helps in applying policies based on tags or roles

Automation Role

Minimal

Significant (used in scripts, templates, etc.)

 

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