Related Topic Document Title
Causes of common Cisco Express Forwarding-
related error messages on devices running
distributed Cisco Express Forwarding switching
and how to troubleshoot them
Troubleshooting Cisco Express Forwarding-
Related Error Messages
Explanation of and troubleshooting information for
the Cisco software implementation of Layer 3 load
balancing across multiple parallel links when Cisco
Express Forwarding is used
Troubleshooting Load Balancing Over Parallel
Links Using Cisco Express Forwarding
QoS features that require Cisco Express Forwarding When Is CEF Required for Quality of Service
RFCs
RFC Title
RFC 1701 Generic Route Encapsulation (GRE)
RFC 2784 Generic Routing Encapsulation (GRE)
RFC 2890 Key and Sequence Number Extensions to GRE
Technical Assistance
Description
Link
The Cisco Support and Documentation website
provides online resources to download
documentation, software, and tools. Use these
resources to install and configure the software and
to troubleshoot and resolve technical issues with
Cisco products and technologies. Access to most
tools on the Cisco Support and Documentation
website requires a Cisco.com user ID and
password.
http://www.cisco.com/cisco/web/support/
index.html
Feature Information for Cisco Express Forwarding
The following table provides release information about the feature or features described in this module.
This table lists only the software release that introduced support for a given feature in a given software
release train. Unless noted otherwise, subsequent releases of that software release train also support that
feature.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.
Cisco Express Forwarding
Feature Information for Cisco Express Forwarding
IP Switching Cisco Express Forwarding Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850
Switches)
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