Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 792
keepalive
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• show vlan - displays the current VLAN configuration on the switch. • shutdown - disables/enables the VLAN. • tagged - adds a Layer 2 interface to a VLAN as a tagged interface. • untagged - adds a Layer 2 interface to a VLAN as an untagged interface. keepalive Send keepalive packets periodically to keep an interface alive when it is not transmitting data. C9000 Series Syntax keepalive [seconds] To stop sending keepalive packets, use the no keepalive command. Parameters seconds (OPTIONAL) For interfaces with PPP encapsulation enabled, enter the number of seconds between keepalive packets. The range is from 0 to 23767. The default is 10 seconds. Defaults Enabled. Command Modes INTERFACE 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 8.3.11.1 8.3.7.0 8.1.1.2 7.6.1.0 7.5.1.0 6.1.1.0 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Introduced on the E-Series ExaScale. Introduced on the S-Series. Introduced on the C-Series. Introduced on the E-Series. Usage Information When you configure keepalive, the system sends a self-addressed packet out of the configured interface to verify that the far end of a WAN link is up. When you configure no keepalive, the system does not send keepalive packets and so the local end of a WAN link remains up even if the remote end is down. Interfaces 792
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