Users Guide

Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.5.1.0 Introduced on the E-Series.
spanning-tree mstp
Congures a Layer 2 MSTP interface as an edge port with (optionally) a bridge protocol data unit (BPDU) guard, or enables the root
guard or loop guard feature on the interface.
Syntax
spanning-tree mstp {edge-port [bpduguard [shutdown-on-violation]] |
loopguard | rootguard}
Parameters
edge-port Enter the keywords edge-port to congure the interface as a multiple 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.
loopguard (C-, S-, and E-Series TeraScale only) Enter the keyword loopguard to enable
STP loop guard on an MSTP port or port-channel interface.
rootguard (C-, S-, and E-Series TeraScale only) Enter the keyword rootguard to enable
root guard on an MSTP port or port-channel interface.
Command Modes INTERFACE
Command History
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
1242
Multiple Spanning Tree Protocol (MSTP)