Dell C9000 Series Reference Manual page 2121

Parameters
stp-id
cost cost
portfast
[bpduguard
[shutdown-on-
viol ation]]
priority priority
Defaults cost = depends on the interface type; priority = 8
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version
9.9(0.0)
9.2(1.0)
8.3.19.0
8.3.11.1
8.3.10.1
8.4.2.1
8.3.7.0
8.2.1.0
7.7.1.0
7.5.1.0
6.2.1.1
Enter the STP instance ID. The range is 0.
Enter the keyword cost then a number as the cost. The range is
from 1 to 65535. The defaults are:
• 10-Gigabit Ethernet interface = 2.
• Port Channel interface with 10-Gigabit Ethernet = 1.
Enter the keyword portfast to enable Portfast to move the
interface into Forwarding mode immediately after the root fails.
Enter the optional keyword bpduguard to disable the port when
it receives a BPDU.
Enter the optional keyword shutdown-on-violation to
hardware disable an interface when a BPDU is received and the
port is disabled.
Enter keyword priority then a number as the priority. The
range is from zero (0) to 15. The default is 8.
Description
Introduced on the C9010.
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the Z9000.
Introduced the loopguard and rootguard options on the
S4810.
Introduced the loopguard and rootguard options on the E-
Series TeraScale, C-Series, and S-Series.
Introduced on the S4810.
Introduced the shutdown-on-violation option.
Introduced on the S-Series.
Introduced on the C-Series.
Introduced on the E-Series.
Spanning Tree Protocol (STP) 2121