Cisco Cisco Content Switching Module Guide De Dépannage

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Understanding CSM ARP Behavior
Document ID: 63158
Contents
Introduction
 Before You Begin
      Requirements
      Components Used
      Conventions
 CSM ARP Behavior
      Network Diagram
      CSM ARP Requests
      CSM ARP Learning
      CSM ARP Timeout Issues
      Dummy Serverfarms
      Configuring a Dummy Serverfarm
 Related Information
Introduction
This document describes Address Resolution Protocol (ARP) behavior on the Content Switching Module
(CSM).
This document provides information on:
why the CSM may not send ARP requests for certain hosts
• 
why the CSM may not refresh entries in its ARP cache
• 
why the CSM may refuse connections from certain hosts
• 
Before You Begin
Requirements
Readers of this document should have knowledge of these topics:
basic CSM configuration
• 
ARP protocol (STD 37)
• 
Components Used
The information in this document is based on these hardware and software versions:
all versions of CSM software up to, and including, 4.1.x
• 
Conventions
For more information on document conventions, refer to Cisco Technical Tips Conventions.