Cisco WS-C3560E-48PD-SF Command Reference - Page 633

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands spanning-tree transmit hold-count spanning-tree transmit hold-count Use the spanning-tree transmit hold-count global configuration command to configure the number of bridge protocol data units (BPDUs) sent every second. Use the no form of this command to return to the default setting. spanning-tree transmit hold-count [value] no spanning-tree transmit hold-count [value] Syntax Description value (Optional) Number of BPDUs sent every second. The range is 1 to 20. Defaults The default is 6. Command Modes Global configuration Command History Release 12.2(25)SEC Modification This command was introduced. Usage Guidelines Increasing the transmit hold-count value can have a significant impact on CPU utilization when the switch is in rapid-per-VLAN spanning-tree plus (rapid-PVST+) mode. Decreasing this value might slow down convergence. We recommend using the default setting. Examples This example shows how to set the transmit hold count to 8: Switch(config)# spanning-tree transmit hold-count 8 You can verify your setting by entering the show spanning-tree mst privileged EXEC command. Related Commands Command show spanning-tree mst Description Displays the multiple spanning-tree (MST) region configuration and status, including the transmit hold count. 78-16405-05 Catalyst 3560 Switch Command Reference 2-601