Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 687

22 Interfaces The commands in this chapter are supported by Dell Force10 operating software (FTOS) on the E-Series, C-Series, SSeries, S4810, or Z-Series platforms. Although all interfaces are supported on E-Series ExaScale, some interface functionality is supported on E-Series ExaScale with FTOS 8.2.1.0 and later. When this is the case, it is noted in the Command History section. This chapter contains the following sections: • Basic Interface Commands • Port Channel Commands • Time Domain Reflectometer (TDR) • UDP Broadcast Basic Interface Commands The following commands are for Physical, Loopback, and Null interfaces. clear counters Clear the counters used in the show interfaces commands for all virtual router redundancy protocol (VRRP) groups, virtual local area networks (VLANs), and physical interfaces, or selected ones. C-Series, E-Series, S-Series, Z-Series, S4810 Syntax Parameters clear counters [interface] [vrrp [{[ipv6] vrid | vrf instance}] | learning-limit] interface (OPTIONAL) Enter any of the following keywords and slot/port or number to clear counters from a specified interface: • For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet followed by the slot/port information. • For a Loopback interface, enter the keyword loopback followed by a number from 0 to 16383. • For a Port Channel interface, enter the keywords portchannel followed by a number. For the C-Series and SSeries, the range is 1 to 128. For the E-Series, 1 to 255 for TeraScale and 1 to 512 for ExaScale. 687