Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 1553

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 8.3.7.0 8.3.1.0 7.6.1.0 7.5.1.0 6.2.1.1 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Added the milli-second option to the S-Series. Introduced on the S-Series. Introduced on the C-Series. Introduced on the E-Series. Usage Information The hello time is encoded in BPDUs in increments of 1/256ths of a second. The standard minimum hello time in seconds is 1 second, which is encoded as 256. Millisecond hello times are encoded using values less than 256; the millisecond hello time equals (x/1000)*256. When you configure millisecond hellos, the default hello interval of 2 seconds is still used for edge ports; the millisecond hello interval is not used. Related Commands forward-delay - changes the wait time before RSTP transitions to the Forwarding state. max-age - changes the wait time before RSTP refreshes the protocol configuration information. max-age To maintain configuration information before refreshing that information, set the time interval for the RSTP bridge. C9000 Series Syntax max-age seconds To return to the default values, use the no max-age command. Parameters max-age Enter a number of seconds that the system waits before refreshing configuration information. The range is from 6 to 40 seconds. The default is 20 seconds. Defaults 20 seconds Command Modes CONFIGURATION RSTP (conf-rstp) 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. Rapid Spanning Tree Protocol (RSTP) 1553