Cisco CATALYST 2960 - Configuring the NVRAM Buffer Size; The default NVRAM buffer size is 512 KB. In some cases, the configuration file might be too large to save to NVRAM. Typically, this occurs when you have many switches in a switch stack. You can configure the size of the NVRAM buffer to support larger configuration files. The new NVRAM buffer size is synced to all current and new member switches.

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Catalyst 2960 Switch Command Reference
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Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
dot1x port-control
• EtherChannel port—Do not configure a port that is an active or a not-yet-active member of an
EtherChannel as an IEEE 802.1x port. If you try to enable IEEE 802.1x on an EtherChannel port,
an error message appears, and IEEE 802.1x is not enabled.
• Switched Port Analyzer (SPAN) and Remote SPAN (RSPAN) destination ports—You can enable
IEEE 802.1x on a port that is a SPAN or RSPAN destination port. However, IEEE 802.1x is disabled
until the port is removed as a SPAN or RSPAN destination. You can enable IEEE 802.1x on a SPAN
or RSPAN source port.
To globally disable IEEE 802.1x on the switch, use the no dot1x system-auth-control global
configuration command. To disable IEEE 802.1x on a specific port, use the no dot1x port-control
interface configuration command.
Examples This example shows how to enable IEEE 802.1x on a port:
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# dot1x port-control auto
You can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC
command.
Related Commands Command Description
show dot1x [interface interface-id] Displays IEEE 802.1x status for the specified port.