Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

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Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
Chapter 3 Configuring the Switch
Management Interface Configuration
Releasing Fabric Session Lock
If you have performed an NTP fabric task and have forgotten to release the lock by either committing or
discarding the changes, an administrator can release the lock from any switch in the fabric. If the
administrator performs this task, your changes to the pending database are discarded and the fabric lock
is released.
Tip The changes are only available in the volatile directory and are subject to being discarded if the switch
is restarted.
To use administrative privileges and release a locked NTP session, use the clear ntp session command.
switch# clear ntp session
Database Merge Guidelines
When merging two fabrics, follow these guidelines:
• Be aware that the merge is a union of the existing and the received database in each switch in the
fabric.
• Do not configure an IP address as a server on one switch and as a peer on another switch. The merge
can fail if this configuration exists.
• Verify that the union of the databases does not exceed the maximum limit of 64.
NTP Session Status Verification
To verify the status of the NTP session, use the show ntp session-status command.
switch# show ntp session-status
last-action : Distribution Enable Result : Success
Management Interface Configuration
The management interface on the switch allows multiple simultaneous Telnet or SNMP sessions. You
can remotely configure the switch through the management interface (mgmt0), but first you must
configure some IP parameters so that the switch is reachable. You can manually configure the
management interface from the CLI.
This section includes the following sections:
• About the mgmt0 Interface, page 3-20
• Configuring the Management Interface, page 3-20
• Displaying Management Interface Configuration, page 3-20
• Shutting Down the Management Interface, page 3-21