Dell Force10 S50-01-GE-48T FTOS 8.4.2.6 Command Line Reference Guide for the E - Page 1389
down-when-looped, encap
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down-when-looped e Set the interface to send a system message when it detects a loopback condition and goes down. Syntax down-when-looped To disable notification, enter no down-when-looped. Defaults Enabled Command Modes INTERFACE encap e Configure encapsulation for a PPP interface. Syntax encap ppp To remove encapsulation, enter no encap. Parameters ppp Enter the keyword ppp for Point-to-Point Protocol encapsulation. Defaults Not configured. Command Modes INTERFACE Usage Information When you enter the no encap command, you administratively shutdown the interface and configuration information (such as IP address) is deleted from the interface. A SONET interface without encapsulation is always operationally down. When you enable encapsulation on the interface, PPP negotiation begins after you enable the interface (no shutdown command). You can enable authentication and other related commands once negotiation is completed. Note: Encapsulation must be configured before the interface is enabled for traffic. flag e Syntax Set the overhead bytes in the frame header to ensure interoperability between different vendor equipment. flag {c2 | j0} value To return to the default value, use no flag {c2 | j0} command. SONET | 1389
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