Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 1841
downstream auto-recover, downstream disable links
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downstream auto-recover Enable auto-recovery so that UFD-disabled downstream ports in an uplink-state group automatically come up when a disabled upstream port in the group comes back up. C9000 Series Syntax downstream auto-recover To disable auto-recovery on downstream links, use the no downstream auto-recover command. Defaults The auto-recovery of UFD-disabled downstream ports is enabled. Command Modes UPLINK-STATE-GROUP 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 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.12.0 8.4.2.3 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the S4810. Introduced on the S-Series S50. Related Commands • downstream - assigns a port or port-channel to the uplink-state group as a downstream interface. • uplink-state-group - creates an uplink-state group and enables the tracking of upstream links. downstream disable links Configure the number of downstream links in the uplink-state group that are disabled if one upstream link in an uplink-state group goes down. C9000 Series Syntax downstream disable links {number |all} To revert to the default setting, use the no downstream disable links command. Parameters Defaults number all Enter the number of downstream links to be brought down by UFD. The range is from 1 to 1024. Brings down all downstream links in the group. No downstream links are disabled when an upstream link in an uplink-state group goes down. Uplink Failure Detection (UFD) 1841
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