Home
Support
Product Support
Routers
Cisco Catalyst 8500 Series Edge Platforms
Configuration Guides

Cisco Catalyst 8500 and 8500L Series Edge Platforms Software Configuration Guide

How is the incoming frame of a Bride Domain Interface classified?
What is encapsulation in a Bridge Domain Interface?
How can MAC address be assigned to a Bridge Domain Interface?
How does packet flow happen from Layer 2 to Layer 3 network?

View all Saved Content

PDF

Is this content helpful?

Helpful Unhelpful

Suggestions for Improvement

Thank you for your feedback. Your response has been recorded.

Ask about this content

Cisco Catalyst 8500 and 8500L Series Edge Platforms Software Configuration Guide

How is the incoming frame of a Bride Domain Interface classified?
What is encapsulation in a Bridge Domain Interface?
How can MAC address be assigned to a Bridge Domain Interface?
How does packet flow happen from Layer 2 to Layer 3 network?

Expand all sections

About this content

Overview of Catalyst 8500 and 8500L Series Edge Platforms

Overview
Breakout support
Bay configuration C8500-12X4QC

Software Package and Architecture

Software package and architecture
Cisco IOS XE software
Deploy IOS-XE and SD-WAN
Software upgrade

Factory Reset

Factory reset

Security-Enhanced Linux

Security-Enhanced Linux

High Availability

High Availability

Management Ethernet Interface

Management Ethernet Interface

Bridge Domain Interfaces

Bridge Domain Interfaces

Diagnostic Utilities

Packet drops
Packet trace

SFP Module and Forward Error Correction

Configure SFP+
Configure Forward Error Correction

Cisco ThousandEyes Enterprise Agent Application

Cisco ThousandEyes Enterprise agent application

Cisco Catalyst 8500 and 8500L Series Edge Platforms Software Configuration Guide

Bridge Domain Interfaces

Updated: February 6, 2026

Provides instructions for configuring logical interfaces that connect Layer 2 bridged networks with Layer 3 routed environments. It covers Ethernet virtual circuits, MAC address assignment, and the encapsulation methods required for efficient packet forwarding.

Bridge Domain Interfaces

Need help?

Open a support case

(Requires a Cisco Service Contract)

Bias-free language

The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.