Caveats
–Enable port security on the switch port connected to the server, set the upper limit of the number of addresses the secure port can have, and set the Action Upon Address Violation option to Ignore.
–Do not use the network port.
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You cannot use IP to manage the switch if the management VLAN is pruned.
The workaround is to be sure that the management VLAN is not pruned if VTP pruning is enabled.
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When the Fast EtherChannel feature is enabled, the
The workaround is to use the Fast EtherChannel Management page, the CLI, or the SNMP Bridge MIB to find out the actual state of the port channel.
Resolved Caveats in Version 9.00.06
These problems were resolved in version 9.00.06:
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Catalyst 1900 and Catalyst 2820 switches now continue to communicate with devices that are moved from one port to another port on the switch.
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A Catalyst 1900 switch running software version 9.00.06 no longer has severe performance degradation caused by ports without links forwarding broadcast traffic.
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A Catalyst 1900 switch running software version 9.00.06 no longer causes address flap on uplink ports.
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A Catalyst 1900 switch now correctly acquires a Dynamic Host Configuration Protocol (DHCP) assigned IP address after a reset.
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When using the Cisco Secure User Registration Tool, you can now use ports one through nine on an
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Catalyst 1900 and Catalyst 2820 cluster member switches with a defined IP address and network gateway now continue to exchange Cluster Membership Protocol (CMP) messages with the cluster commander.
Release Notes for the Catalyst 1900 and Catalyst 2820 Series Switches, Version 9.00.06
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