Dell S3100 Command Line Reference Guide for the Series 9.82.0 - Page 1748

portfast [bpduguard [shutdown-onviol ation]] 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. priority priority Enter keyword priority then a number as the priority. The range is from zero (0) to 15. The default is 8. 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. Version 9.8(2.0) 9.8(0.0P5) 9.8(0.0P2) 9.7(0.0) 9.2(1.0) 9.0.2.0 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 Description Introduced on the S3100 series. Introduced on the S4048-ON. Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the Z9500. Introduced on the S6000. 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, 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. Usage Information If you enable portfast bpduguard on an interface and the interface receives a BPDU, the software disables the interface and sends a message stating that fact. 1748 Spanning Tree Protocol (STP)