Users Guide

show cong
View the current conguration for the mode. Only non-default values are displayed.
Syntax
show config
Command Modes CONFIGURATION RSTP (conf-rstp)
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Example
Dell(conf-rstp)#show config
!
protocol spanning-tree rstp
no disable
bridge-priority 16384
spanning-tree rstp
Congure an RSTP interface with one of these settings: port cost, edge port with optional bridge port data unit (BPDU) guard, port
priority, loop guard, or root guard.
Syntax
spanning-tree rstp {cost port-cost | edge-port [bpduguard [shutdown-on-
violation]] | bpdufilter | priority priority | {rootguard}}
Parameters
cost port-cost Enter the keyword cost then the port cost value. The range is from 1 to 200000. The
defaults are:
• 10-Gigabit Ethernet interface = 2000
• Port Channel interface with one 10 Gigabit Ethernet = 2000
• Port Channel interface with one 40 Gigabit Ethernet = 1400
• Port Channel with two 10 Gigabit Ethernet = 1800
• Port Channel with two 40 Gigabit Ethernet = 600
edge-port Enter the keywords edge-port to congure the interface as a rapid spanning tree edge
port.
bpduguard
(OPTIONAL) Enter the keyword portfast to enable Portfast to move the interface into
Forwarding mode immediately after the root fails.
Enter the keyword bpduguard to disable the port when it receives a BPDU.
shutdown-on-
violation
(OPTIONAL) Enter the keywords shutdown-on-violation to hardware disable an
interface when a BPDU is received and the port is disabled.
bpdulter (OPTIONAL) Enter the keyword bpdufilter to enable BPDU Filter to stop sending and
receiving BPDUs on port enabled interfaces.
1134 Rapid Spanning Tree Protocol (RSTP)