• Port Channel interface with one 10 Gigabit Ethernet =
2000
• Port Channel with two 1 Gigabit Ethernet = 18000
• Port Channel with two 10 Gigabit Ethernet = 1800
• Port Channel with two 100 Mbps Ethernet = 180000
edge-port Enter the keywords edge-port to configure 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.
priority priority Enter keyword priority then a value in increments of 16 as
the priority. The range is from 0 to 240. The default is 128.
loopguard Enter the keyword loopguard to enable loop guard on an
RSTP port or port-channel interface.
rootguard Enter the keyword rootguard to enable root guard on an
RSTP port or port-channel interface.
Defaults Not configured.
Command
Modes
INTERFACE
Command
History This guide is platform-specific. For command information about other platforms,
refer to 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 Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.4.2.1 Added support for the optional guard keyword on the C-
Series, S-Series, and E-Series TeraScale.
8.3.7.0 Introduced on the S4810.
Rapid Spanning Tree Protocol (RSTP) 1357