Filter
Top Products
C
ONFIGURING
THE
S
WITCH
3-134
• Migration – If at any time the switch detects STP BPDUs, including
Configuration or Topology Change Notification BPDUs, it will
automatically set the selected interface to forced STP-compatible
mode. However, you can also use the Protocol Migration button to
manually re-check the appropriate BPDU format (RSTP or
STP-compatible) to send on the selected interfaces.
(Default: Disabled)
Web – Click Spanning Tree, STA, Port Configuration or Trunk
Configuration. Modify the required attributes, then click Apply.
Figure 3-55 STA Port Configuration
CLI – This example sets STA attributes for port 7.
Configuring Multiple Spanning Trees
MSTP generates a unique spanning tree for each instance. This provides
multiple pathways across the network, thereby balancing the traffic load,
preventing wide-scale disruption when a bridge node in a single instance
fails, and allowing for faster convergence of a new topology for the failed
instance.
Console(config)#interface ethernet 1/7 4-168
Console(config-if)#no spanning-tree spanning-disabled 4-219
Console(config-if)#spanning-tree port-priority 0 4-221
Console(config-if)#spanning-tree cost 50 4-220
Console(config-if)#spanning-tree link-type auto 4-224
Console(config-if)#no spanning-tree edge-port 4-222
Console(config-if)#end
Console#spanning-tree protocol-migration ethernet 1/7 4-227
Console#