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7-1
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
7
Troubleshooting Cisco Fabric Services
This chapter describes procedures used to troubleshoot Cisco Fabric Services (CFS) problems in the
Cisco MDS 9000 Family multilayer directors and fabric switches. It includes the following sections:
• Overview, page 7-1
• Initial Troubleshooting Checklist, page 7-2
• Merge Failure Troubleshooting, page 7-5
• Lock Failure Troubleshooting, page 7-7
• Distribution Status Verification, page 7-9
• CFS Regions Troubleshooting, page 7-10
Overview
Many features in the Cisco MDS 9000 Family switches require configuration synchronization in all
switches in the fabric. It is important to maintain configuration synchronization across a fabric for
consistency.
As of Cisco MDS SAN-OS Release 2.0(1b), Cisco Fabric Services (CFS) provides a common
infrastructure for automatic configuration synchronization in the fabric. It provides the transport
function as well as a rich set of common services to the applications. CFS can discover CFS-capable
switches in the fabric as well as their application capabilities.
Some of the applications that can be synchronized using CFS include:
• IVR
• NTP
• DPVM
• user roles
• AAA server addresses, Radius and TACACS daemons
• SFM
• SDV
• syslog
• port-security
• call home
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