Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 949
Far-End Failure Detection (FEFD), debug fefd, Series, and S4810 platforms.
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Defaults Command Modes Command History Usage Information Related Commands All interfaces in Layer 2 mode are untagged. INTERFACE VLAN Version 8.3.11.1 Version 8.5.1.0 Version 8.3.7.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.2.1.1 Introduced on the Z9000. Added support for 4-port 40G line cards on ExaScale. Introduced on the S4810. Introduced on the S-Series. Introduced on the C-Series. Introduced on the E-Series. Untagged interfaces can only belong to one VLAN. In the Default VLAN, you cannot use the no untagged interface command. To remove an untagged interface from all VLANs, including the Default VLAN, enter INTERFACE mode and use the no switchport command. interface vlan - configures a VLAN. tagged - specifies which interfaces in a VLAN are tagged. Far-End Failure Detection (FEFD) The Dell Force10 operating software (FTOS) supports far-end failure detection (FEFD) on the Ethernet interfaces of the ESeries, Z-Series, and S4810 platforms. The FEFD feature detects and reports far-end link failures. • FEFD is not supported on the Management interface. • During an RPM failover, FEFD is operationally disabled for approximately 8-10 seconds. • By default, FEFD is disabled. debug fefd Enable debugging of FEFD. E-Series, Z-Series, S4810 Syntax debug fefd {events | packets} [interface] To disable debugging of FEFD, use the no debug fefd {events | packets} [interface] command. 949
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