Command Line Reference Guide

IPv4 Routing | 611
Command Modes
EXEC Privilege
Command
History
clear host
c e s
Remove one or all dynamically learnt host table entries.
Syntax
clear host name
Parameters
Command Modes
EXEC Privilege
Command
History
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet followed by
the slot/port information.
• For the Management interface, enter the keyword
ManagementEthernet followed by
the slot/port information. The slot range is 0-1 and the port range is 0.
• For a Port Channel interface, enter the keyword
port-channel followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword
sonet followed by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed
by the slot/port information.
• For a VLAN, enter the keyword
vlan followed by a number from 1 to 4094.
ip ip-address
(OPTIONAL) Enter the keyword ip followed by the IP address of the ARP entry you wish to
clear.
no-refresh (OPTIONAL) Enter the keyword no-refresh to delete the ARP entry from CAM. Or use
this option with
interface or ip ip-address to specify which dynamic ARP entries you
want to delete.
Note: Transit traffic may not be forwarded during the period when deleted ARP entries are
resolved again and re-installed in CAM. Use this option with extreme caution.
Version 8.2.1.0 Support 4094 VLANs on E-Series ExaScale (prior limit was 2094)
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.9.1.0 Introduced VRF on the E-Series
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.2.1.1 Introduced on E-Series
name
Enter the name of the host to delete.
Enter * to delete all host table entries.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series