Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 345

Task Change the hello-time parameter. Note: With large configurations (especially those with more ports) Dell Force10 recommends that you increase the hello-time. Range: 1 to 10 Default: 2 seconds Change the max-age parameter. Range: 6 to 40 Default: 20 seconds Change the max-hops parameter. Range: 1 to 40 Default: 20 Command Syntax hello-time seconds max-age seconds max-hops number Command Mode PROTOCOL MSTP PROTOCOL MSTP PROTOCOL MSTP To view the current values for MSTP parameters, use the show running-config spanning-tree mstp command from EXEC privilege mode. Figure 19-7. Viewing the Current Values for MSTP Parameters FTOS(conf-mstp)#forward-delay 16 FTOS(conf-mstp)#exit FTOS(conf)#do show running-config spanning-tree mstp ! protocol spanning-tree mstp no disable name my-mstp-region MSTI 1 VLAN 100 MSTI 2 VLAN 200-300 forward-delay 16 MSTI 2 bridge-priority 4096 FTOS(conf)# Enable BPDU Filtering globally The enabling of BPDU Filtering stops transmitting of BPDUs on the operational port fast enabled ports by default. When BPDUs are received, the spanning tree is automatically prepared. By default global bpdu filtering is disabled. Multiple Spanning Tree Protocol (MSTP) | 343