Users Guide

show spanning-tree rstp
Display the RSTP conguration.
Syntax
show spanning-tree rstp [brief] [guard]
Parameters
brief (OPTIONAL) Enter the keyword brief to view a synopsis of the RSTP
conguration information.
guard (OPTIONAL) Enter the keyword guard to display the type of guard enabled on an
RSTP interface and the current port state.
Command Modes
• EXEC
• EXEC Privilege
Command History
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.
8.4.2.1 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.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.4.1.0 Expanded to display the port error disable state (EDS) caused by loopback BPDU
inconsistency.
6.2.1.1 Introduced on the E-Series.
Usage Information The following describes the show spanning-tree rstp guard command shown in the following
example.
Field Description
Interface Name RSTP interface.
Instance RSTP instance.
Sts Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS),
blocking (BLK), disabled (DIS), or shut down (EDS Shut).
Guard Type Types of STP guard congured (Root, Loop, or BPDU guard)
Example (Brief)
Dell#show spanning-tree rstp brief
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 8192, Address 0001.e805.e306
1308
Rapid Spanning Tree Protocol (RSTP)